21st bomber command tactical mission report 284, 290

8/6/2019 21st Bomber Command Tactical Mission Report 284, 290

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R E S T leTE

By Eouthol'itJ"ot'

C .G ., r ~& Dt i~ th Al~ Porce

J_k~~_~ £ ~ID"tej

\I.n1.tiahl

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F L O W N 'il'

C O p y N , O . : ! . : : _



l JEADQ;UART 'ERS

TWENTIETH AIR FOl'tCE'

APO 234

TACT ICAL MlSSION REPORT

Field Order No. 5

T~.rgets: Sumitomo Metal Co. (90. ~-26.3A). Ks.wanishi Aircraft Matnl Ca.

(90..25-2137) .. Osaka ArmyArsenal (90.25 - 382). Aiahi Aircraft Co., (90.~tJ-1729).. Tsu Nil.al Airor art PIant (90,.24 -2224). Mit aubi shi ,Air oru,('t Co.

(90...,20~21.40/1141). and Nv.ko.jima Airo.rllft Co. (90.20·1635).

24 July 1945

Table of Contents

. . . . ... . ".. • . . . . . . . . . . . . . . .

A.1Ul9X A .. Operationa. .. • • • ,. • • • .. • '. • .' • ..Part I - Navigation Tr n c k Oh a r t • •

Part I I .. Mean..Points of ,Impuct ••..••.'•••Part III .. Bombng. .. .. • • ... '. • .. • ... .' • .. •Part IV - Fl ight Engil'l.e e .r ing Report & Obo.rt • • •

;Part V .. Radar.. • "",. .. .. • • ..

Fart VI ~ Gunnery ... ' • .. .....

Part VII .. Air-Sea Rescue Chart

. . . . . ... .. . . . . . .

Annex B .. Weather • • .. • • '. .. .. • • •• . .. , .

Part

Part

P a r tpart

I - t'feo.ther Summary.. • • • • • .. •

II - Chart--Predicted vs , Observed

III - .Prognostie Map • • • • .. • •

IV - Synoptic l . IW . p . . . • • • • . . • • ' . . . . .Weather

. . ' . . . .

Annex G .. GOllUllunica tions ..

Part I . .ROM. . .Part II .. Ro.d.io

'" . . 4 • • • • • • • • • • • • • •

• • • . ' . . . . .. , .• • . .. . . . . . . . . . . . .

Annex D .. Intolligenoe .

Po.:rt I .. Enemy Air Opposition .

Pnrt II ... Enemy Ant iniroro.ft. • • • • .. • • ..

Part Ill .. Damage Assessment. • .. • .. • • .. • • ,.

Annex E .. Consolidated StatiatioD.l SUlnmnry. . . . . . . . .Annex F .. Twentieth Air Foroe Field Ordor • I • • . . . . .Annex G Distribution. . . . . " .. .,..' . . . . . . , ..

Propnred By:

A-e-SootianTwentieth Air Foroe

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HE:\DQU,mERST.1EJ.'JTIETR :IIB FORCE

.l,PO 234

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:. SECRET ;

: E ly ,\uth. of 'tho C.G.:

: '.LIitentieth ,dr Force :

; a4July 451 0 # , 5 . - ~DatI) Ini ti OIls :

SUBJECT: B03portof .•ttacks .1gainst 7 Procision Targets on 24 July

1945·

TOGomrillUlding General; U.S. ; i r I T 1 Y Strategic .\ir Forcoa, .LPO

234. San Francisco, California.

1.. IDENI'IFI C,i.TI ON OF REPORT;

. 0.. Field Order Number 5. He,"1dquarters Twentieth· :.ir

F!tlrce. dated 23 July 1945. direct ed the 58th, 7)rd, 313tb., and

31.4thEombardmen t :1ings to pnrticipa ts in coordinated d3ylillbt

attacks on 7 pr0cision tarcs:ets on Honsha in Twentieth '.ir Force

Missions NUmber 284 through 290.

Missi o n

b. Tar@ts Specified:

(1) .!:FimaryVi.saal Target s :

Target

284

~85

286

',1iM Fore.s :.s.sign.od

58th 2 Gi: : 'oups

58th 2 Groups

7 : 3 I ' d 4 GrQupa

3l3th 2 Groups

313th 1Group

314th 2 Groups

.314th 2 (h-ou.ps

Mission Number Tgrggt

284 s.'lJl1eas primaryviaual

285 city of lfuwana

Kawanishi •.ircraf't Metal (90•25-2137)

Osoka ,ll' seQ-al (9.0.25 -382 )

287 .~chi .l.ircraft l:0. (90.•20-1729)

288 TSll Nav:1l {rirc:raft Plant (90.24-2224)

289 Mitaubishi .urcroft Co. (90.2.0-2140/1141)

290 Nakajima .'.ircr:U't Co. (90.20-1635)

(2) P.ri'f!lArY Rndar Te.rgetSl

City o.f Kuwano.

Same 0.8 primary viaual

City of Tau

Oity of Tau

Same as primary visual

2 8 6

287

286

SECRET------



(3) Socondart,r Vi sua1Targets;

Mi§sion Number ~

284 Nonespecified

285 Hitaehi ",1orks (90•.20-1802)

286 '!'oyo Bearing Co. (90.20-1815)

287 NOne specified

288 None specified

Toyokawa Nevu1 1\rsena1 (90.21-165.3)

290 Nene specified

(4) No other targotS\7er€l specifiod.

2. MISSION PI..\NNING:

a. .'X:loction of T@rll:!j!ts: Taking advantage of thooxpoe-

ted bre'lk in the weather in the Osako.-Nagoy'l arBa, the Tm~l'I.tiath

Jir Force plannod to attack 7 precision industrial targets. Clm-

ployi ng 62 5 aircraft. The ,purpose of this pI ~n was two fold:

to take advantage of rlGl:lthor (i.e. if targets nore obscured byclouds in the Osnka orea. "wather over thctargcts in the Nagoya

area might be favorable) and to have f lexibili ty wi thin the at-

tacki ue; for ce, l7it h a suffi oierre .fere€) beiUS as.signed to each

target to assure destruction. The secondary t'lI'gets were selected

in o.1'oas suf'ficiontly aist:mt frOID the primaries to enhance the

possibiE ties of weather over tho.se targets bei:ng favorable in

the ev:ent th:J.t primJry t:lrgets 1V0uldbe obsclll"cd by unfavoro.ble

'ile1'lther condi tiona. Onmissions in which primary radar to.rgeta

Q:iffercd from their primary visual tarl:!:ets, tho X'o,dar target.s were

selected in t,he same areas as the secondary visual t.argets 'to on-

able the attD.cking forces to bomb in the event thllt the other

t,o.rgats were obscured by weather. In cases wl1.ere targets wer e

specified. as pritaary visual and primo.ry rad:1l", no other targGts

were specified.

b. Importance of T;argets:

(1) j\l!i..ssion Nwn:b.er281.!,:The Sumi.tomo Metal Company.

located On the 0sa:ku H'JI'bor wat·erfront in a bC.'l.vily i.ndustrialized

area on reclaimed land betwe,en the Shin Yodo and 'lji RiVOl'S, is

one of the 4 er 5 large.st producers of propellers for Jap::mase

combat-type aircraft. In addition. this cc:mllany produces large

quanti ties of aluminum. and duraluminum e.ssential to aircraft pro..

duction. This companY Was considered to be one of tlu~prime

targets in the Osaka area,

(2) Mission Number285: The Kal1an1.shi ~.i,reraf't Meto.l

Company, situated on the fork of the Muko and Ni Rivers. 11,000yards from the MakoRiver (approximately 10 miles narth:l7Gst of the

center of Os,aka), nas be1ili;ved to produce aircraft components for

the Ka:iianisbi .l.ircroft Company.

(3) Misaion Number 286 t The Osa.ka .'.rrJy :irsenal,

located in the eastern part of Osaka. 7 miles northeast of Os~n.

Harbor, is one of Japln' S Iilost import8:nt arsenals. It has been

reported that thi.s plant manl!lfacturea guns up to 16 inches in size~

aU typos of ' l Il l !!1Uni tion. shells, bombs t primers, relloll:mts, tUZIi39,

and other types of rela,ted m:l.tcriel. The small area tor explosive

storage indicated relatively little shell loading. Tho target 'lren

. a s knOGn to contain 183 buildings.

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(4,) Mis.sioll Number?Sz.: The "J.cihi Aircraft ·forks,loc.:Ited on reclaimod land in the C(lnter of tho Nagoy'a\i~terfront

a?d bou;u(h,d on. the r.vestby the mouth of the Son.ni River. was con-

sldered to be the largest of th", Aichi assembly p.lants •. Judy,Grace, Paul, and the new in~linet·'<1in.·engine fighter, Deneko.

are manU£actured hare.

(5) Mission Number 288: The Tsu Naval <..ircraf~ Plant

is located 2r:lmilos southe<"lst of Yokkaichi approximately 2 nules

inland from Iso ~lan. The 01ty of Tsu is o.ppraxiroately 3 miles to

the nOrth. l)jj_ tsubisbi engines are IDunuf:tcturcd at this pla~t,.The pr0sen,ee of 12 test calls ilOuld te,nd toilidic:J.to extenalve

Produ.ct ion.; however-, the siZ9 of the pIlot contrad ict oS th is indi ".cation. It was thought probable that' the plant may ho..vebeen part

of' Mit.subi.s hi Nagoya's di spersal plan. ini t i ated in the fall of

1944.

(6) MiSsiOl.l.Numbsr 289; This pla:ntO~ the Mi tsubi-

sbi .urcraft Company• situated in north170st No.,goya, is bound cd .on

the northwest by tl'ls Shin Canal, on the norj;;hOast by the Tokkw.dol\l1.ain LinoRoilroad. and on the south tiM. Bouthe:lst by the electric

Tsushinu Line. The factory is locatod ::It the apex ·01' a "V~formed

by the interse ct ion of these 2 Tui lroad lines. Thi s fact cry was

reported aa havdng been couverted from utextile mill to a plantproducing aircraft cylinders for Mitsubiahi as part of its dispersal

:p13;n.

(7) Mission Number290; This plant of the Nakaji.mo.

.i~rcraft COmpany'i.$ loc:lted approximately 13 miles .south-southeast

of Nagoya fu.rbor, betueen the town of: Handa and Handa (i\8neza.ki)

,.irs.tirip. This plant is believed to be engaged in the fioo.l

'usso::l(!lblyof the ai rcraft .Jill 0.00MYl't. It is quite possible tho.t

fighter,s are also assembled here. notably the Zeke.

c,. Time Factors;

(1) Se,hlctio:n of D-Day: On the basis of favorable

i7eatber forecasts for tho Osaka-Nagoya area. firm decision was made

to attack on 24 Jl;Ily.

(2) SBlection of Tqrget Time l Target times ........re in

keeping with the policy of striking dayl1.ght targets as 89rly 1.n

the morning as possible after assemblies eould be effocted during

daylight hours.

d. Mmi.tions and Fuel Loading:

(I) .Seleetion of Bombs 11M Fuzes:

(a) Mission Number 284;· For the use against

the Sumitorn.o Light Metal IndUstry ,lit Osaka, the 58th 1ing WOB to

load·2 Ckoups with 40.o0-pound ll..ight Case bombs fuzed inst.1.ntaneous

nose and non-delJ:IYtail. T h e plan on thie mission was to obtain

maxiDl\llD.damage to the targot

\nth the use of a minil'lULlamount of

force. It was believed that this damage could best be obtained

by blastsinae the building spacing is notably compact. Thistypo bom&, which has a high charge weight of :;lpproxim"ltely 75per cent, uas selected because it had at least 2 5 por cent more

explosivos per ton than any other type bomb. The instantaneous

nosa and non-delay tail fuzings "l70r0 selected becauso the ch'lrno"

teristics of tho bomb are such tInt delayed fu.z.ing shOuld not be

e&lployed.

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'" (b) Mis§'ion Numb§r 285: For us6 against the

J.Ukal'::IzukaPlant of tho Ka;7anislli ;·,ircraft Conparw. the 58th

Jingwas to load 2 Qroups witil lOoO-pound genoral-purpOSO bombs fuzed. ,01

seoOnddeLay nos" and hoDn-delay tuil. This typo bomb >lUS selected

because the buildings m . thin tl'le t.:.;rgotare of meditill!...pon saw-to'o,th root' constz-ucm on and subject to li.uU ted sproudl.llg collapse.

It l1asbe.lievoo th.:;t this siZ0bomb would be mol'S cs:pable ·of in-

flicting f<laXirol)ll1ldamage to buildiItg'strll.ctures thun ony dth(l3:'Size bO);lb. Tho .01 second delay nose fuzo was selected asi.t >1ould

allo"17 bomb bl:U"st (, to 10 feet beme('ltb. bhe roof level. therc.by

ceueingst.ruc tural collapse and dar.mging ouildi ng contonts. Thonon-delay tail ruze was selected in order th)t ground lovel burst

would be obtained by Dear miss bOlllbs,.

(0.) Missi onNUr;]:ber286; For use a(ffil.nst the

Osaka. , : . . n :z y- •...rasn3l. thc73rd '.ling was to load 4 . Groups wi,th 2~OO~

pound general-purposo bom.bsfo,zed .025 second delay nose md ..025second delay tail. Tho building installotions in this target orca

,32'0 of single and multi-story construction. M3xir.lUID dnnago tostructUres of this type can best be obt:J.;i.nedby bla.st. and cra:tcringactioa, thereby causing structurnl collapso or infli c.ting 6truc~

tural damage. It \'las believed that this size bOl" . lb· . with its

relatively high charge we.i ght ,and its ability to penetrate. would

be the best type employable for ini'licting r')'aximuodamage to thetarge.t installations. Tho .025 second delay nose and tail fuze's

noro sel()cted in order'to permit an adequa.te del:Iy for penetra-tion of the st'ructures. allorring detonation of honbs at the op-

tilm:lm depth (just above the floOr level of tlilesingle story struc·

tures and just belo" the top floor level of the T!l\il,lti-story struc~

turcs ),. This fuzing ~'1ouJ.dik(%l'is6 aJ.low sufficient ground pene-

tr,.tio:m; of near miss bombs to obtain moX:Lmuuize cra.ters, result-

ing in the undermining of buildiM foundathms and vertical struc-

tur'3.1 r.lembGrs.

(d) Mission Nuro.ber287: For use agAinst the

Eitoku Plant of the .iichi ;..ircraft Com'panyat Nagoya, the 313th

:iing uaa to load 2 ct-oupsuith 2000-pound general-purpose bombs

fuzed .01 second del-ay nose andnon-del.o.y tail. This size bomb

was selected since the bui1d.ings in this target 9Xeaare of typ-

ical long span construction, and subject t6spreading co11",p30

when exposed to the blast 0 : 1 ' largo size 'boobs.Tbe ..01 second delay

00090 fuze was a.e).ecteQ.'as it would 11.llowbombburst 6 to 10 feet

boneath the roof level, thereby causing structural collapse and

the damaging of building oontents by tho rosultrmt blast and frag-

ment'ltion. The non-delay ta.il fuze was selected t.o give ~ound

level bUT.st to near nissgombs.

(e) l\Ilission ,Number 288: For use against the

Tsu Naval <l.ircraft Comp(my, 1 ; l 1 e 3l3th :ang was to loaQ. 1 Group

witn 500-pound goneral~purpose bombs fuzed .01 soconddelay nose

and non-delay tail. This ai ae bomb was solected since tho build-

iugs in the target area are small in planum only 5 per cent of

the area is built-up. These fnc.tors dictatod tho use of this size

boob, in which a multiple numbor of hits would be obtainablo.The

.01 second delay nose fUze was selected as it would allo'" bombburst 6 to 10 foet beneath roof level, therebycauaing structural

collapse and the damaging of building contents by the' reaul ting

blast and fra@i1entation. The non-delay tail ruso was .selected

to give around level burst to near miss bombs.

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SECRET-----,-

Hi er) Mission Nurnbar28'.l: For'use aggt,in.attn.s

{otSubiShi ;.:ir~raf't Co~pony (Fuji Te)C1;i1e Mill)., the ~14th ',1ing UBSto

.ad 2 Groups with 40oo-pound Light Case bombs fuzed ).nstantanoOtlS

,~

nos~ am non-.d:elo.y tail. The plan on this mi.ssion was va obtain

~lmum dal!lage to the target with a miniWlIll am:lunt of forcs. Thei1mary

buildings ill thiatargot a.rea areal'. the saw-tooth roofype-. ana notably compact, making thc targst vUlnerable to an at-

tack of this kil'ld. This type bO(Qo. \"Iitl'! a high charge wsight ofapproximately 75 per cent. \739 selected, bocause it h,as at least

3 . 5 per cent morc <lxploaivEl,Is per ton than anY other type bomb. Thel.nstantaneoua nose and non-daly tail fuziJ:J.gs nor\) selected 'because,

the characteristics e,f tho bOfolbarc such that dolay fU1,;i:Ag should

nOot bo employed.

(g) Mis§ion Nurnbor290: For usoagainst tbe

Hania Plant of tho Nak<!ljimi'l..lircraft Company, tho ,314th ".1iag was

to lo'id2 Groups;;-i th _5oo-pound gonoral-purpose bOlllbs r1.u~d .•025second dela.y nose and non-del~y tail. Since thot8I'set consistscr 2" -u'eas. and the primary buildings '"'Iithin each :xtea arc short

span. opon.chord. saw-toot h roof, and as SGmbl:v- typO, it was bo-

Hoved that th!;lmultiple nunbor of hits obtainablo by ; the '\lSO of

this .8i":z;0 bomb would best cause maximum. damage to the buildi.ngs

ccnt~I1ts. Thc.025 seccnd delay nose fU200 was seleccte.d as an.alternate fu.ze since t h e .01 second delay fuze VIas not available.

The .025 second delay would parmit bOombpenetrati ona and bOomb

burst just a;gOovefloor level,which "ouldba most offecti've againstbuilding contents. The noa-deJa.y tail fuze was slOlloatcd to. give

g r oW l d level burst to na'lr miss bOor.:lbs.

(2) BombLoi3diM :

58t h

7 3 r d

Potential C ap a c i ty

'(Pounds)

1 3 . 000

Ex:pe cted. .._'l.verase.

(PoUnds)

13,000

14,000

31;lth

314th

14.000

12.000

12.000

0) '\rmnunition Loading: :~proximate1y 1500 rounds

.of aWolun.itiOon '.1ere to be carried by each aircraft.

(4) Fuel Loading: Fuel reserve data. indieatad that

no aircraft would require bomb bay ta$s and that a fuel lO"l.dof

approximately 6600 gallons p\'l1"aircraft w.ould be oarried unless

inclemont "lJea.ther required. larger fuel reserves.

e. Flight Planning:

(1) Route:" ."011 forcos uero to use lilo Jima on the

routo out, and 00 roturn, in aecordan.co with the Ti10ntieth ,'.1.1'

Force Tactical Doctrino. From Iuo Jirna to the targetaand

ret.ut'D,route plans wero as follow's I

(a)M;j..ssiOD Number 28.4:

Route Reasons for Selection

. 3 . 3 20N .. 13340E Reassembly .'Il:'ea

to. 3 40030N

.. 1343800E (OP) This point of ~and. 5 miles south of TokUshima.

t o

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Ta.:rget (~63.l)to

3455N-13:528Et o

3407N-13615E

3320N-13J40Et o

340030N-1343800Et o

3416JON-13457,30Eto

Target (2137). t o

3455N-13428Eto

3507N-1557E

3315N-13425Eto

3330N:"13445li : (DE ')

t o

3416N-13504E (IF)

t oTarget (82)

t o

3441N-13545Et o

3407N-13615E

3330~-13515Eto

3458N-13 .555E (DP )

t o3509N-13606E (IF)

t o

Target (1729)

t o3438N-13717E

between the ;r:ea~semblY point an d the tuitislpoint. l'Iaa e.x:peeted to be eas'i,ly idontified.,

This point on the southeast tip of' ':'waji .

Shima,at t'he entranoe to Osaka Bay sho1.l1,dbe

easily idontified a n d wa s expocted t o provide

a gOod axis of a t t a ck.

This point wa s se le c t e d a s it " , o u l d avoid

antiaircraft defo;lnseS.

La rrl 's end..

(b) Mission Nl.Unbor 285 ~

Rea son s fo r Sej,slfction

Reassembly .irea

(oP) Same as for Mission Num:bor 284.

(IP) Sam,e as for Mission Number284.

S a m e as for Mission , J i ! u m b e i r84.

This point f10uld avoid flak at Kyoto and

uould also . s o r v ~ a s t h e i n . i ti a l p o i nt f o r t h e

s e c o n d a r y targot.

(c) W li ssi on Numbe1'286:

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Reasons f o r S c l Gi ~ t l, o n .

Re3s.aembyl.rea

Thiapoint.the lOiler tip of Shikoku on the

entrance to Osaka, would. make a good. point

for dep'lI'tu:re.This point a t the e a s t e r n tip of the ontr:mcoto Osaka Bay (1 mile from the ci t,y of Koda)

\79:S e:z:pected to be .a good initial point.

This point \las selected as it 'I1ould avoid flak

d e f e n s e s .LandIsend.

(d) .Mi.ssion NumbGr 2'87:

ReCl.sonsfor Selestion

Reassembly .'.rea

This point on tho 100701' part of Biwa Ko LakeUQuld bo easily idcnt.ified for departure.

This point at tho eastern edge of BiVia Kolake just a}::love,tho town of Hachiman was eX-

pected to make a good approach to the target.. . r i g h t turn ' < J a s to be made after bombs aUay

to avoid antiair~aft c o n c e n t r a t i o n s .

land. ' send..

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(e) Mission Numbs; 288:

R o u _t e S .Reasons :f'Ol" olsctl.og,

3330 N-.135l5Eto - -

34.07N-13518E (DP&I_P)to

Ta rg et (22 24 )

334ON-13515Et o

345BN-13.555E (DP)t o

3.509N-13606E (IF)

t oTarget (2140/1141)

t o

3523N-13710E

to3439N-IJ80JE

Route--3407N-139H\E (DP)

to

34353o.N-1363900E (IF)

to

Target (11&35)

Reassembly .irea

'l'h.is point. a jut t iug ,pie CE I ·of ;l.and northof the city of Owashi. was expected to pro-

vido, a good approach to thstargot•

.i. right turn was to bO made after bOl:lbs

a:l1e:l.yo avoid antiaircraft dcfoll$os.

(r) Mission Number;?89:

RQEtsons fOb_SelectiOn.

Reassembly _\.rea

ThiS point a t the 101'l0r p a r t o r Bil"l8Kowould be OEl..sily identifi.ed for departure.ThiS point at the eastern edge of Biwa Kojus't abOV0 the town of Hachime.o uss expected

to make a good approaCh to the tarsct•

This point was selected in order to avoid

f la k d ef eD se s.l and 'S en d.

(g) Mission NutiMr 2gO:

Seasons for Selection

This :point, a jutting'piece of land north

of tho city of OI1::l');Shi,'1aS e%llected to:mak~

_a good departure point.This' point. a bulge of land east of' Matsu-

zuki, would be oas.ily identified for the

initial point and iVouldbe tho best approach

to the targe'5..1right turn uaa to be made aftorbombs away

to avoid flak defenses.

(2) Radar Factors:

(a) The oaly rOl,lte check points ware to be the

islands in the 'Iwo Rotto Group. ,\.ll:lings wero to use the isLands

in this gl"Oup as thc,ir first assembly 'Zones.. These islands would

be clearly vi.sible On.radar and could bo used to position airoraft

if u·ndcr-aast conditions existed.

(b) :.11 landfall poin.ts (rcasseabl:y aroas) 'flare

chosen fOl'> their radar charaetcristics. The selection of thesepoints was given much oonsideration sinoe eMh point 'must be oasily

identified by all radar operators in order to accomplish SUCQoss-

fully Group and Squadron re-aasembliefh These re-aasolilbly areas

uere to be on the sOt\theast tip of Shikoku and on the large penin"

sula bat\1eOnOsaka and Nagoya.

(c) .Ul in.i ti a1 poin t.s wero conai dared trom the

standpoint of their allorTing for rad".l.r precision turns on totbe

briofed BXes of attack.

-7-

.§ECRET-----



Cd) The f.o;Llowingradar considerations ",ore givon

.1. Mi sslon Number 28lJ. The Sumitome Metal

COllI.panywas spe cii' ied as both primazy visual and primary· ra.dar tar-

get L.ocated on tl1.O ;jetty area o;):xtending i.11"11.osaka.Bay, this M.r-

~et dcea net she." up as a distinct single radar return. Hotl"ov:,r.~t Was believed, that the radar .operator could bomb by sync!tren:uOl.ng

. 0 : : ' th...etty return., Pf'fset synehreuou.s bembing was Il.ot recemmended

Sl.nee tho shippiag about the ti.p .o f tho jetty weuld distort tho re-

turn •.

g. Mission Number ?85.: The Ka'.7ani,shi :.ir-

craft Metal Company "11sanet oonsidered as a primary radar ta1'($et,

o9iace it is lees ted. nort h of the •.n>agasaki area and ceuld net beresolved as a separate radar return. The·prirasry radar target fer

thia r;llas ion was te be the city .o f Jii..t1d"ana,aitustedjuat weat .of

Na50ya on the 2 '>lidsrivers lecated there. Tho bridges entering

the c i ty tram t h e northoasternsoctio.n I1"Grocon._siilered to. b e ox.·

cellent· .reference points. The city it·self was expected to. shewup

very ."1"1011 on the radar scope and could bobom.bod by using the dir·

ect .synchronous method.

3.. Mission Number286: Tbe Osaka •.rmy

...rsenal was not considcrcd as a .good radar target B inca it is located

in the center of the burned':'outarea of Osaka a n d any misses nouldnot be of any value. .Honce. the city of Kuwana. the same as that,

tar Mission N.mlbcr 285. was designated as tho primary radar tar-

get ...

1 1 : . Mis~ion Nur.1ber 287: The :.ichi idrcraft

CoT:lpanyplant nas dcsigUated as both primary visual and primary

radar target an this mission. Locat"d on the northern shore of

Ise :)'ao and bounded by water on. the ~ast and wost. tho land water

contrast 8ctsthG target a s a single radar return. Excellent ref-

erence for course would be obtained fram tho bridges at Kuuana.

Dil' oct synchronous bombing by 1€lad.c~reWi! shauld givo good res,ul ts •

. 5 . . ,Mission Number 288 : 'lheTsll Nave:1

..tircraft Plant located south of Tsu could not be .resolved as a

single radar signal. Hence. the city o r Tau was designated as the

primary radar targe.t. The course from the initial point· to. theaircraft plan.t to Tau approximate.s -e . straight lino. Tsu. on the

westcrncoaet of Lse ·,1an, was considered a. very good radar target.

2 . . Mission Number 28g: This plant of the

.M i tsubishi :u.rcl"aft Company was not eonsidered a . TOry good radar

target, since it could not be iftcntificd on tho ...PQ.-l3 radar

equipment. Tho ei.ty of Tau,. as in Nlission Number 288, nas dos-

ignated as the ·primary radar targot.

1. Mission Number29Q I The Handa Plant of

the Nakajima .."drc-raft Company was designated as both primary vis-

ual and primaryradar

target for this mi,ssion. Located bctrroen

Handa aoo. &.rana, the 2 cities and the target smear together as a

single radar return. It waB belioved that tho target c.ould be

bombed by synchrollizing on the ccntQrof tbe return. No offset

points wore availablo ta : offset radar bombing.

SECRET------



(3) E ne my A nt ia ir cr 3[t Fa ct or s:

(a) Mi ssi o n Nu m b e r 284 :

t 1 . H eayy A nt ia ir cr af t D ef cn se s! T he re wa s a4 ~ t?1 of 282 h ea vy g un s- lo ca te d i n t he Osa ka area an d a t o t a l oft an t h e Ko b e a r e a . This tar g et was l o c a te d a p p ra x i ln a t e l yb e -ween t h e 2 d ef en se s. I t wa s est ima te d t ha t t he pl an ne d a ppr oa ch

~oUld b ri ng t he a tt ac ki ng B-29's wi th in r an ge o f a pp ro xi ma te ly

~ of t h e g u ns of th eOsa ka

d ef en se s a nd20

g u ns of th e Ko b e d e-fenses. I t wa s pl ann ed t o appr oa ch t ho t ar get f ro m t he so ut fi -West. Alt h o ug h th is approa c h h ad b e en used o n past missions. itwa s sti ll t he be st a .l pr oa chfr om' a f la k st an dpOin t b eca use : it a vo id -e d a l l o th er f la k a re as o n r ou t e , it was t h e c lo se st a xi s t o t h ed own Wi nd a pp rOa ch wh ic h a vo id od t h o Ko bc 'a nd A ka sb i f la k d ef en so s;most of t h e bomb ru n woul d b o ovo r water , fl ak would bo e n c o u n t e r-e d o n ly on t h e l ast quar t e r of t h e r u n , a n d , i t avo id e d t h eg r e at e r par t of t h o Osaka defo nses. A breakaway to t h o ' no rt h o utof t he fl ak are a was plan n o o . Following t h is bre akaway. a t u r no ast be tween t h e EYo t a a n d Osaka defo nses was specifi e d . On t h eb asis of the d cfe nses on t h e pr opo se d r un 'a nd t ho pr ob ab le l en gt hof time under fi r o , a base al t i tu d o of 19,000 fEII"t \7a9 plan n e d .

(b) M is si on Nu mb er 285: This target was justinside the Kob e-Osaka defe nse zone . I t was estimate d th a t theplan n e d approa ch woul d b r i n g t he a t t a cking B -29's withi n effec-

t i vo ra n g e of 25 guns in t ho Kobo' area a n d 34 g u ns in t h e Osakaa r e a . Th e approa c h t o t h e ta r g e t . with th e eXceptio n of a slightc h a n g e i n th e axis of at t a ck. was almost id e n t i c a l t o t h a t pla n n o dfo r MiSSio n Number 284. A base alt i t u d e of 18,000 feet wasplan n e d .

(c) Wussion NUmber 286: I t was estimate d t h a tt h e pla n n ed approa ch woul d b r in g th e a tt a cking B -29 1s withi n

effe c tive r an g e of 200 of the 282 heavy guns at Osaka. This was

due t o t h e fa c t t h a t t h e a rsena l ar e a was prac t ic a l ly ce n te r e d i nt h e h ea r t of a ve ry co n c en t r a t e d d efe nse. In spite of t h eg r ea t e r amoun t of oppositi o n, t he pla nn e d approa c h fr om th e sout h-

west was conside r e d t h e b est axis of at t a ck from a flak standpoi n t

sinc e it was gen e r a l ly downwind and most of t h e r u n woul d bo ove r

wate r . A b r eakaway to t he r i g h t (east) and ou t of t he t a r g e t a r eawas specifi e d . This bre akaway r(:)Ioove dh e a i r c raft fr om th o d efe nd-

e d a r e a i n t h e shor t est possible t ime. A base al t i t u d e of 20,000feet was plan n ed .

(d) Mission Number 287: I t was estimate d t h att h e plan n e d approa c h a nd b r e akaway would br i n g t ho a tt a cking B-29'swithi n effe c t ive r a ng e of approximate ly 71 of t h e 209 heavy guns in

t h e Nagoya ar e a. I t was plan n e d t o approa c h t he t a r g e t fr om th o

west (giwa KO are a). This would be t h e b est axis of at ta ck from

a flak standpoi n t b e c a use it woul d b e d ownwind and i t woul d avo i d

most of t he fl ak in c e n t r al a n d n o r t he r n Nagoya.' T h o r ou t e t o t h oB iwa XC ar e a skirte d t h e KYot o d efe nses; howover , o n ly meage r andin a c c u r a te fl ak had be e n e n c o un t e r e d th e r o o n past missions. A

br e akaway from the ta r g e t t o th e sout h o ast was specifi e d . Thoplan n e d ro u t e of r e t i r emen t ~ o u l d avo i d th e Han d a and Tb,yohashi

d efe nses. The plan n e d al t i t u d e of a t t a ck was to be 20,000 foot.

(e) ~ssion NUmber 288: There was a to t a l of8 h e avy guns at Tau. The approa c h t o t ho t a r go t woul d b e ovo r 2

are as where ve ry meag er a n d i n a c c u r at e fl ak had b e e n e n co u n t e r e d

o n provi o us missions. Howovor . no i nfo rmat i o n as to t h o exac t

D .U mb or o f guns i n t h is are a (Nagaahima a n d CMase) was avai l a b l e .



The rout t' b akaway- _ e would. a.","id the d.efens0S at Ujiyamada. and . here -~1 5 ' , " was to be totl1e east ovor Ise IVan. . . 1 1 . baa", el titOOe of

~OOO feot was specifioti.

w . _ , (r) Missi_on Number 289.=- Tho Kagamig3hara

al'ea~'

ras defended by 18 beavy gUn,o!h The planncd(l.ppToacb to the target.,rom the 170st (EiliS. Ko'area), was cOl'lsidored tho bost, approaoh

fro~ a flak standpoint, sinco it would be do\ml7ind and would

:::lld the Hamnmatsu de~enses.. Meager but v~n:, accurate ~lak had ,iell encounter-od, i.n thl.s area on pr-ovious mHISl.OD::;Ist a,l;J.t.udos of

5.000 feet., thc,refore. a base altitude of 18.000 :l;'eotwas to beflown. - -

(g) M i ssionNi.Jmbor .290: This taxgot was defended

by 12 heavy gWlS. It was planned :to approa,ch tho target from tho

southwest, avoiding the 18 hoavy gWls at Ujiyemada. A sha:rpbl.'eakarray to tho right. avoiding the Toyohashi dof.onses rrae

plann.od. Tho altitude of attack ,[as to be 15,000 feot. since, the

dofenses in this area. were rather meager,.

f.' Bombing'Data: For chart (if Moan Points of Impact.

soc .Annex .A. Part II,

(1) Bombing altitudes. axos of attack. mt·icipated

drift. ami other pertinent bombing data were as f'ollot:1s:

Mission. Bombing Axis o f L e n g t h of Time, of Drift

Numbe r .Uti tude Attack Run R.un (Degrees)

(fect ) (Dcgree.;l) (miles) (minutGs)

284- 19,000 43 4 1 8 i- s right

285 18,000 31i 44 9~ 7 rigl1t

286 20.000 43 39 7 5/6 b t right

287 20,000 98 44 B i - l ' left~

288 15,000 1 6 4 4 9 3/4 8 r i a h t

289 18,000 8 6 4 5 8 2 / 3 N o n e

290 15.000 37 29 6 1 : 6 right

(2) Compressibllity WaS tc' be obtained by flying

in oolumns of .s.quad.roh.swith a mililimum t i l l 1 G interval betnccn

squadrons.

g. Doronei vo Tactic!!!;

(l) Fighter Escort.: Fighter escort was t o be provi ..

tho VII Fighter Commandbascd on Iuc Jima.

EnQI l lY Fighter'Reaotio;g.: Latost intelligenco in-

fighters I respecti.velyl '\Tera looated in theReoent strikes in tho$o ar$a3 a1; night

opposition. Howevor, early in Juno,area offored strong opposition to B-29

t 6 ueeks a decided decrease in the

tion had beon n~ticed. It was b e -I tho J.apanese might possibly send ups in both areas. Enell\Yintercopt ion,

negligiblo to weak because of the multi-contuse the enemy ri~er oontrol system.

B-291s 'Wouldbe picked up by on~ \1al'n"

before landfall.

-10-!!QRI!

b ' (a) .All flight squadr~ns wore to be equipped to

arrago Jam the enomygun-laying rada.l:s 1n th,e 72 to 84 megacycleand 190 to 210 megacycle regionS. spot jSlll1u;ingwas to be omploy-cd a,~ainst any gun-laying radar signalS that might appOar outside

thlil bal'raga.

(b) It \'las planned te continuo searoh and to

D/~ a11onomy rad,:lrs in the 20 to ,;l000 fIlo~acyolorogionS. EnomyVOlea cO!lmunications in the 4-25 mogacycle bend were to be recorded.

h. Air-Sea RQs~: (Soo Annox A, Port VII, for Air-SOa

FIescue Ghart •) Tilo navy was furni shod iiitII dotai lsof tho mia-13ions and was to provide tho f011ol'1in a; ai r-soS roseuo fac i Ii t . es ,

6 submarinos, 8 dumbos and J surfaco VQS so1,5. In Qddition h

t~GSQ f3.oil.i t iO.6. the ~a.vy assi@lod crash boats in thov~cini ty

0.: tho B-29 basos for talco-ofis and landil'l.gs. The Tr/ont1.cth Air

Forco assigned 4 Su,per-Dumbos to orbit tho subm'll'ino I;lositions.

3. EXECUTION OFMISSlONS: (For special roports on varioUS

phasleeaf the execution of t.l1Cl$e missions, see annexes that fol101;'i

thi.G narrati VB).

a. Take-off: Take-offs for all missions vere a..cCOT!lplishcd

as follows:

lIussion

Nmnber

Aircraft

Airborn.Q

FirstTake-c.t:!

LastTake-QAt

284 58th 90285 58th 88286 73rd 170287 313th 74288 313th 4 1289 314th 81

290 '314th 81

T'.mntioth Air Force 625'"

231753Z2.31701 Z2 3 1 7 201 .

231717'1.

2J1715Z

2316i+5Z

231126z231645Z

231853Z2j1821Z

2:31851'1.2 3 1 8 6 6 Z

2318l 4Z2318HZ231820Z

231B53Z

'"This total docs not inclu.de 4 SUper-Dumbost 2 ;ring run aircraft,and 1 weathor control aircraft.

b. Eoutg Out1 Aircraft prec00dcd individually to grOUp

aasomb 1y points. Nomajerr navigat i onal defici onoics t a assembly

points or targot '"ero noted. Noaircr:tft· failGd to bombeitherprimary visual or priilla,l"j radar targets becauso. of navigational

error. A frontal po,notration at approxim8.toly 30 degrees north

lati tude>1af.l accomplished inthout incidont. Time oonsumed in

this penet.ration averaged 10minuteS.

0.. Ta,rgets : (For detai 1s of bembng, see Annex E, Con-

solidated statistical SUi l lmAXY). Targot area navigation rras ao-

complished by visual and/or rlldar meens, Somegroups \'lOroable

to bombvisually and ot1'l.ors found it neeosaary to boob primaryradar and other tarL~cts, due to cloud condi tiona. "Jinds in tho

targot areas -;70re from 310 to 20 doe;reos at 25 to 22 knots ro-

spoctivoly.

(1) Primary Tar@:ots; A . total of 573 B-29's, ill of

l1hieh 'i1BS B Olind run aircre.ft, dropped 3539.1 tons of bombs onpriI!l<U'Yvisual a n a radar targots frw 240125Zto 240)2220at 0.1-

titudos from 15.700 to 23.800 foot.

-11-

'§!Q!1!!

1 o~ \7 (2 ) Tal"rw'ts 01' opportunit:CI A total of 26 B~29~ s'.

Call hich also bombed a Wima:r'/ target and 2 oi' 'i1h,1ch 'Wore !IllS-

drOlla~coua B.ircraft (1 wind run aircraft and.1;7sathor air~<ii"t).P d 165.8 tons of bombs o)lva:rious "targ0ts of opportuXH. ty.

e .. (3) Ran>aindsrof Forc~: ji"ow: roiscoll~eous B-2'] IS

o?~let~d thoi.r miSSiOil~ and ',lora conaid:,rod effectl-Vs. A total

9 alreraft 17as can.al-dared non-offectlve.

o;f d.. Route Ba·ek; Rot1itrn to baso71as as briefed.. A total

l78 B-29 ,s landed at Iwo .JiT!l/).

G. Landipp;: Aircraft landed at thair hoJilCbasos as

:f01101l'8: -

Missi on. Numbor 'fling First Landi;ng last Land.iM

58th 240905Z241013:Z

58th 240732Z240848Z

73rd 240703Z240844Z

313th 240653Z240800Z

31J!;h

240702Z240812Z

314th 240740Z24085S Z

2&4

285

286

287

288

289

290 314th . 2 ~ O l 4 4 Z 24D851Z

240 53Z 241013Z

f. Loss and Pama.'p to Aircraft: One 58th 'Jioo B-29

"as, lost/over tho tar,got on l,uissionI'lumber 284 :7hcn it rocoi vod

a d.irect hit by enomy antiaircraft. A total of 160 B-291

s ;ro-

coi.vod flak da:roagoon thoso ,nissions. No other aircraft were l,ost

or damaged.

g. ExccutionVprsU;§ Plannigg,1 Nomajor differences

bctuooIl, the planni!lg aM execution of thoso missions were noted.

4. RESULTS OF MISSiONS: (See AonOX,D , Part III .. for detailsof de:mage to targets.) )ith tho Qxce);ltions of Missions ffurnbor

288 and 289 in '."thich the pril1lary radar t.argets 'flare attaoked and

no damage aMOSSO'lQllt 17M available at the time of the nrit.ing oi

t~.isreport, d9Iilagc to tho prim.ai'Y taI'€!iot.s as a result of these

missions is as .£0110\1$:

a. l.Jissioll. Number 284. Sulni tolllo Light Metal Industry

GOUlpa:ny (90.25-26'}1.): A total of 1,743, 955 squaro foot or 71.5per cent of the original roof aroa was daf:lagod. All main buildi061:1

-;raro either (9lttod or d9.lnagod.

b. ¥lasio!!. IMber 285, Ke.·,7anishi Airsrratt e o m p a n Y (90.25.-

~: A total of 1,488,800 square feet or 85 por cont of tho

original roof sroe ';'las damaged. .

-12-



total c. '.Mission Number 286 Osaka Aarea d~f 5l.3.500s,quarc foot or 1(;).2 per (lent of' the ol'igina~ roof

bOlrtbod~hO~cd. (A . majority of the aircraft on this!Uissicn

, _0 pr.l.maryradar tw:ogots).

A totalo~'.. WJission Number 8 Ai chi, Aircraft rl'erksl:'oof a' , 494.~oO square feet o r 18.9 per c.ent of tho original

rea 1'Ja:9 -damagod.

1(35) •Ae. ,Mission Number 2 0 Naka· ima Aircraft Corlla 0.20-

ori8i~altotal of 592.500 square feet or 39~3 pOl:" cent of tho

" rOof area 'rras damagod.

g , , ' (,1&•. ;( £,llJ,t.£.(..1CURTIS E. letI,S'

M['.,jor GGnero.l.U• S.;"

Gommz .nd J . .n g

-1..')-

~ECRET-----



A

OPERATIONS

Part I _ Navigation Track Ch~t

Part II .. Mean points of Impact

Part III .. Bombing

Fart IV .. Flight Engineering ,Report and Ohert

P a r t V - RaliaI'

Part VI .. Gunnery

Part VII .. Air-Sea RescllO Chart

Missions No. 284. 285. 266. 287. 288. 289. a n d 290

2 4 July 1 9 4 5

PART I NAVIGATIONSECR£T

MISSlom NO284-2.90

DATE 24 JULY

- ~ - ' L f f i 4 r . m - ~-35-_ _ _ _ _ _ _ _ _ _ _ _ 1 ; ~ ; ~ WI~G

_~ 31$th It

--x--x·- -\314 t 1 ' l 11

seth I'11M

!.ItssiDTI HEB4

Ta1mcf!' ----- :e:31753Z E'lole53Z

LBt!~f"l1, -___ 240Z0:!iZ M 02<17Z

. 3 0 0 - : : : : 1 = = : - ~ ~ - - - - t-__~~~~~~~~--~---'target -. __._ 240251Z M03:e:3Z

Land.'~ End ._ 24~10Z 24 o:'i S3'Z

LaM~g ----- 2409052241.01:3Z

!.Iisslc" te85

Tak'lcf! ----- 2317012 :e:31621Z

La "dtall ---- 240'105Z 2401192

'ta.l'ge:t - 240);;33Z 2401472

Land' s End -- 2402012 2lI021lZ

Landlp.g -- 2407322 . 240ll48Z

_ ~ + - _ - -25'

I'l3rd Wl!!,Oj

I.Ilsslo" f t2BS

Takeoff 231720Z 23185lZ

Landfall --- 2401262 :B4"Ol43Z

Target ----- M01UZ, 2·4oo21Z

Lend'!I End -- 11402152 MOU2!

Land 1 . !'g - -: -: - - 24.07032 24084l4Z

TakeOff' .. . - - - - 231S4;5Z 2318HZ

Landfall ---- 2401042 ,2401122

1!&rget - . . . . . . '_ .. 240'1362 2401542

land's End 2401UZ-- --

- - 2402~OZ

Land'Lng------ 240740Z Z40655Z

313tb Wins,

Mission i26'1_

Tl}keoff ----:- 23171n 23).:8062

. Landfall 2400462 240n72

Target 2401252 ·2401522

I! IL8.niI's Ell.d -- 240134Z 24:02022

L Bn d i n g ------ 240653Z 240800Z

'M 1s91 on l l 2 _aa

I

IIIIII.Landfall ---- 240).:222

Target - - ~ -- :24013SZ

I350,Land1Qg------ 2407442

24,OlUZ

2401562:

240102Z

2.408512

:.n4th 191M,

Mission 61289

IUss ion ~11290.

takeoff 231726Z 2316.202

T a k e o f f Z317152

L a n d f a l l - - - - 2400562

Tar,..t ---- 240127Z

t . aI I4 •5 gna - '24-0:l26Z

J,aIId1D8-- 24070ZZ

240l.24 Z

2401542

240156ZLand's End -- 240146Z

SECRETREPRODUCED 35th.P. T . U.



u,

~o'"5 " ,"I-Z

i5a.



PART III - BOMBING '"

1. Mission No,. 284. SUmitomo Metal Company- Osalgl'

a. Thoprimary target ",as attacked by 2 group~ of tho58th l'):ing,. The visi bi1ity was exce Ll.ent and.'all f£lDma t1ons made"visual runs. Flak "'as moderato and accurate, but excellent bomblng

was acc~lished regardless.

b . Bombingaltitudes woro 19,900 foet base for tho leadBquadro~ in each group, with the second and third air squadronsattacked at intervals of 500 fQot above tho lead squadron.

c. Tho greatest difficulty encounterod was smoke in thotarget area rlhich partially obscured tho aiming point. Reference

and offset aiming points rlorc used and bombing was acchmplished asplanned.

d.. The initial point and axis of attacj{ TIorereported as

excellent. The average drift reported was 3 deSrees right. Com-

pressibility for the 2 @Toupswas 31 minutes. Bombingaccuracy

TIas excellent. ~ith 55 POI' cent of the bombing being rlithin 1000

feet of the aiming point.

2. Mission No. 285. Kawanishi Aircr.aft Company..:

a. The primary target was attacked by 2 Groups of the

58th '.'/ing in a da.;ylight formation attack. ,'3eventy':'sevcn airoraft

bombed the primary visually from an altitude of 19,000 feot. Some

difficl!.I.lty was encountered by forraati0nS i90mbinglate when smoke

Obscured the target." Offset and reference point sighting was usedwi th excellent results .•

b. The initial point and axis of attack ",'lorereported as

excellent. Average drift reported TIas"3 degrees right. Compressibil-

ity for the 2 Groups was 1 4 . mi.nusea , Bombing accuracy was excellent,

with 49.2 per cent of all impacts being within 1000 feet of theaiming point.

3. Mission No. 286. Osaka ArmyArsenal:

a. The Osaka ArmyArsenal was attacked by 4 Groups of the

73rd Wing. An undercast over the target preventod tho mnjority

of 8.ircraft from:bombing the prir.1ary visual target. Four aqua-

drons wor-eable to use scme temporarily visible check points and make:

runs of very short dUration on the prir.lBry visual target by offset

and referonce point proCOdures. The remainder of the force boobed

the primary radar target, KuwanaUrban Area, through a completeunder cast ..

b. The undercast avo!' the target area l7as tho greatestdifficulty encountered. Five aircraft reportod malfunction of

bombbay door.t3.

e. ~e mission 178S considered well plann~d. Tho initialpoint and axis of attack fo!!:"both primary visual and primary radar

target Vlerevcry satsifactory. Average drift reported was 4 degreesright ~ Comprossibili ty for the l'1ing~7as43 minutes •

• Based on ','lingBombardiers I Reports.

- 1 7 -

.§,ECRET-----

4. .Miasio_n_,l\k".87. A ic bi A ir c ra ft P l a. nt (E it ok u):

a. Two Gr~ups o f th e 3l3t h '!/ingattac ked the A.i chi A ir-cr art Plant in a' daylig ht formation strike vnth,66 a~rc rart. Theb o mb in g a l ti tu d e, 20,000 teet , ~ as the b ase alt~ tude fO: all

lead squadrons wi t b th e se cond and third ai r sq ua dr on s 1 eachG roup st acked at inter vals of 500 feet. The primary tar get uasdesi gnated a s bot h pri mary visual an d pr imary r adar. 9/10 to, 10/10u nd er c ast p re va i le d i n the targe t a r e a pr ev en ti ng v isu al b omb l. ll ga n d b omb in g wa s a cc ompl isb ed b y t h o r ad ar d ir ec t syn ch ro no us mo tb od .

b. Pive a i r cr a f t fai lod to joi n thair squ ad ro n f o rma .-t ions at t h a assembly a r e a e ll d bo mb ed t ar go ts o f o ppo rt un it y.

c . Th e u n d e r cast i n the targo t ar oa u as th o on ly d iffi-cu;ty en counte red. Bo mbing rosu l ts 'i1e rounob served . Ho17o ver, Le dcr en r adar te ams re porte d g ood r adar r uns and it is be liove d th Glm is si on i le a e f fe ct i ve .

d. The in itial poi nt and axis of attac k ve ro repor tedexcel lent. Aver ago dri ft reported uas 3 degr oes right. C onprcssi-bili ty fo r the 2 Groups l1as 27 minutes .

5. '~J .issio no. 288, Tau Nava l Aircra ft Fa .ctory:

a. The Tau Na val Arsenal n as desig nated as th e prica ryvisual target for 1Gro up o f the 31)th fli ng. Ten-tenth s u nder-ca st i n t h e tar gct area pr event ed bombi ng'of t he pr i~ visualtarget. The Group bombedthe cit y of Tsu, prhla ry rad ar target .Bombing uas ac compl ished by r adar di rect sync hronou s o ethod .

b . Themssion nas b riefed for 4 a ir squa drons j bonever ,

weather conditio na prevented the aircra ft fro m assembli ng accor-di ng t o plan, and format ions 11ere a ssembled a nd b ombed the pr imary

r ad ' 3. rt ar g et s a s f ol lo rr s: § aircraft I 8 aircraft. 5 aircraft t 10

aircraft, 3 aircraft, a n d 2 a ircra ft. Four a ircra ft b~bed th epr imary r adar targ et indi vidual ly after faili ng to join a foroa-tio n. ' ilioa ircraft bomb ed t arget s of oppo rtuni ty.

c. The mission rras ' co l1 ai dc re d m Hl pl an ne d. Tho aver-

age drift repor ted for the a xis of atta ck, \'las2 d egrees riQht.C ompressibil ity fo r the g roup wa s 27 minutes .

6. Mission No. 289. Mitsu bishi Ai rcraft Compa ny:

a. The f.J !isubishi Ai rcraft P lant waa de signat ed asprimar y visu al target for 2 gr oups of the 314t h ' :ling. Ten-tenth su nd er ca at pr ev en te d bombmg of tho primary visual tar get and tho 2Groups bombed the city o f Tau. the primar y ra dar tar get.

b . Bomb ing ~a s acc anpli ahed by the rad arschrono us method . No d iffic ulties qer e enco unter ed.

dr ift r eporte d ua' S 3 degr ees le ft. Co mpressibili tyG roups was 1 6 minutes .

direct syn-Th o a ve ra ge

for the 2

7. Mission No. 290, Na ka ji ma Ai rc ra ft Co. _ Handa:

a. The; Naka jima Air craft Co. was dosign ated as primaryvisual and ra dar targot for 2 Grou ps of t he 314th ',1iog. Ten-te~ ths underc ast p:even tod visua l bombin g and bombi ng uaa accom-pl1shed by rada r d1re ct synchro nous ;~th od. B ombin g resul tswore unobs ervGd.

-18-

~ >

t _7 '<

= ~. . . .:;. .tZ I..n-.. .~

.._ _1

.!_



dr. . . b", The mission was c~nsi dered 171911 planned~. AverageQ r l.ft reported 17SS . 5 degroes ngh't ,. Compressibility for tho 2

.oups "as 18 mil;!utes_

PART IV ..,.F LIG HT E N'G rN EE R IN G

1., Narrative of Missions as FloW:

. a.. Cruise t,o theMElinland: Individual climbs "eto made

l.!llXllediata1y aitcrtako.-off to aLti tudes botueen 3.000

to 9.00

0

feLt ..here the ini tiel cru.isG was flown. .Ass(;jmb1ioswero made

off the coast of Japan ..

b... .BombRun: Bar-.bing nas conductodby squadron forma-

han at altitudes betl1con 12,000 and 24.000 feet"

c. Roturn to Base I Return to the base was conducted by

1ndi vidual aiNraft witllout .difficulty. MinimJ;lllluel was ueed

by airplanes cruising at 14.000 to 16.000 feot and d0scendi.ng

250 feot Per minute intothc traffic pattern. Maximumrango

speeds as specified by this headqu,:;r1;ers gave the best fuel con-

sumption. .

2. -Comments•. Part of tho aircraft of tM 3l4th \7ing carriod

bomb bay tanks. The 58th '."ling la·oded· 38 aircraft at 1wo Jima for

fuel,

3.. . Exhi bi ts:

8.. For historical record, S00 tho Ch.art tlnt f0110"17$.

b. For further information, sec AnnexE, Cons olidated

Statistical S'w!D.a:xy.

m L m ; m , . I , ) ' < ' : 2 ' d , c ' c , t ~ : ~ _ : l ~ ~ : . : · ~ : \ m . . . .: ~ ~ ' I ' L 1 - ~ . . ; ; , , . . . ~ - .~ - - ~ : "iI'=; 4 i.==-~ -jr- /~ ,~ .

, P .o oa ~.,.¥" L.." ? , : : : : : : t - ; , ' i:~.: : o , .~ :, ~ '; ; l; 'r••••••t~::

. _ _ ) ' . " ' " t i······. · · · · · ' " ~ · · · · · · · · · - · · r · · · · · · , -" " : - , . . , ; _ .

: + 1';:·'1:········

- : 8 0/''/8.,LtJHP

(J..4$)

SOl>? !l

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(-16£1

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'ltJO 0 ~'h'eii. 'J ~ · , , , , ) )i -. .· · \.· · i ·,./3:.~ " j J ~;, .." ~ '

j~."t.:"§~be:~_{..--l¥Wt,.,. ..I$l!j::I~-~~~.~ ~ >( !:~,,~~J y 'fIr ;,_..~

' : • • • • • •• • • • •· · · · · · · · · · · T = : ] · ~ ~ ~ · · · · ~ i · ~ · · ~ · · · · ~ ~ : 1 ~ ~ . ;. • . •• • • • • . . . . . . . . .~ ~

-../f()£J.

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PART V- RADAR

1.. Equipment P~rt9r!!laDQfl i \ . N / A P c r 13.

a. Number of sets operative at take-off - 59G, .

1:). Number of sets operative over target - 555 (97%).

c. Number of sets operative on ]..aming- 54 5

d. Numberof planes using azimuth stabilization - 322(58% ).

e. Numberof sets fai.lures in load plans.!! - ,3.

f. AVGragemaximumrange of targets in nautical milos I

6, 3 at - 5~000 - 1 0, 000 f eo t70 at 1 0. 00 0 ; :.2 0~ OO O f ee t

g. Average maximUL1 range of beacon in nautical miles I

1 1 , 3 at 5. 000 - 1 0, 000 f e e t121 at 10,000 - 20,000 f e e t

h. Average maxim1.:L"1lange of Ja,panese coast - 56 nautical

m i l es.

i. Oonsiderable i nt er fe re nc e wa s encountered uith other

radar setS' at l a n d f a l l .

j. The ,313th :1ing had recurring trouble, tl"i th sclsyn

gonerators and the 73rd lHing had recurring inverter faill:ll'os •

2.. : R a . a : a r Bombing AN/AP9-13:

. 9 . . . Br:i:oJfingmaterial was reported by' all wings as being

excellent, with the exeeption of the 73rd Wing, which reported

that the Air Force strip lias inadequ'l.te and vras supplemented by

ita 0\111 radar .strl"ps.

b. Targets Vlore all satisfactorily id·entified.

c. iI!ethods of' release by radar: Direct sy n c h r o n o us

methods.

d . A t o t a l of 3 2 9 a i r c r a ft d r o ppo d o n 45 r a d a r releases.

3. Loran APN -4 • .APN-91

a. N:wbor of fixes reported - 3547.

b. Antenna used. and. useable' maximum range.

Ground-Wave

Sky-'i1ave

Fixed An ta@a,TrailiM .An t enna t

525 689862 1131

Coqlland

490792

e . I n ~ o pe r a t i v e se t s - 1 7 .

4 . IFF - 6 9 5 :

~~

~-~? " "

. . . .. -i:- . < : : 0 : .-.. ..t J.

F . IJ'IJ

~~ ~o\JI

: : : :

e., Location at which turned o'nand off as PGlr SOP.

b. Ay<;;l!'agenumber of times chGlcked - 37·

c., Ma,lrunctions reported. None

5., Absolute Altims,ter- SCR- 718:

e., Number of operative sets _, 328.

b.., Numbor of inopG>rativ0 sets. - 2.

1., No. of A /e firing: 2

2.. Avorag~turret load:

UF

19 50

UA

9 6 8 . 811025

.LA,

8 3 7 . 5

.3 . ' N o . o f rounds fired in Combat ~ 5 0

4 . No.• o f rounds used f o rt e a t f i r i n g : . 51396•

,5. QJ.nS Loaded: 58th',;ling ' Z 9 r d . HiMHot Cold

313th ',iing

Hot

3.14th :Jing

Oold

6. Malfunctions I' O.F.O. - Sluggisback out relay, UF turret

failed to operate, Tail turret failure, SelByn out at zero 180

0

•

leak in air hoso , noso aightinopera"t lV'a. serve ou.t. Oal. '.50 M.G. -Link jatil. broken ejeet or, 'worn extra otor h60k. Belt meld ing pe'.!lpi.n out. chargor Ol.l.t _ C 4 ~ unlatched CQve·r, timing off, short round.

7. Equipment. operation (Total percentage opera;tivel.

C.F. C•.Cal •. aSO M . G .

9 9 : 1 .

8. Rc>marks t fuw gunners usod largo amounts of alllUlunitioD

for test firin.g. '

'" Based on Wing Gwmcry Offi cera I Reports.

-2~-



S:EOR£T

APRIL 1941\

\-~1--3'

' l\

II

!I'~OHICHI JIMA 1

I1-~~...__'+-~

JIMA I

I\

1

I.ff' I

1 )

II

,-~ -~c --t-"1

IK u E Y

e- sUBMARINE0-SURFACE VESSEL. - N A V Y O U M B O

4,,- SUPER

I. ALL SUBMARINE, SAND, jURFAc£ ~ESSELS WEREDURING ENTIRE ~SSION. . ~

2. ALL DUMBOS ANO SUP~R DUMB OS WERE TO 6E

N FROM TIME INDICATE~ TO RETURN PASSAGE

IKE AIRCRAFT. I

II

Crosh boots Oil

stot lon vicil1i ty of20 AF bases tortakeoff al1d lal1,dil1t;!.

SECRET fte-~I'tODUCED ;}5th.P. T. U,

- . . .:' .r

:: - \I>,

\1\ : : . : : -- - -

. ! . . .~

:: :



B

Part I - Weath0l' Si .: l .nunary

Part II - Chart - Forecast Weather

va, Observed '7eatlo.or

Part III - PrQgnostl,olliltLp

Part IV - S¥noptic l~~

.24-

i . s . ! 1 . ! . ~ ~ H ! I A 1

Missions No. 284. 285. 286. 287. 288. 289. and 290

24 July 1945



PA RT I ~ FINA L. ',7.EA :THER SU Jr.rJrilA H.i

P LA N NIN G F OR EC A ST

Basoe : 5/10 101'1clouds, base 1800 ft, tops 8-10,000. f t withf €If!

tops. to 18,000 ft and scattercd middle am hl.gh clouds.

FeW'scattored shone~S.

:Route! To 180N: as b a s e s .

To.190N: l i n o of b ui l t- u p l ow c l ou d s with t o p s t o 10-

12,000 it 17ith broken l~ers of middle and high cloudsa bo v e a nd scattered shol'ler,s~ .To 300N; 3-:5/10 low clouds, base 2000 ft, tops 5000 .ft.

To 320N: 8/10 lon clouds. ba.ae ' 1000 ft, t·ops 12 -),.6!000 f't"i1ith sorao t o 25, 000 ft in. froll t, and 5/10 l a y o r e d m.1.ddle ~-

clouds and 5/10 layered high ·clouds.To coast: rapidly dccross iug 101'1and middle clouds to

target.

7/10 lou clouds, base 1500 ft. tops l ! . O O O rt brcaJdng

inland from coast to 3-5/10.Naggya to Kure: 3/10 1017clouds. base 2000 ft. tops 6000= = : . . : = . . . . . . : : : . : : : . ~ = itwith 3/);0 J:liddleclouds 16-17,000 ft,

3-5/10 low clouds at 3-5000 ft with 7/10 T I l i Mle

clOuds at 14-16,000 ft and 6/10 high clouds at

26,000 ft.

Targets: Tokyo:

w u s h u :

O PE RA T IO NAL F OR EC A ST

Bases atTakG-.off :Scatterod 10\7, middle and high clouds.

Route; There will be scattered low, middle and h i g b clouds to

2f3oN wi th broken low and towering cumulus and sho¥';ers

at 21oN. From 2SoN to 300N thel'"o will be broken low,

middle and high clouds. A froRtal zone betueen -,OoN and

320N will give overcast loU', middle am. high clouds TIi th

moderato rime icing and showers, FroiU 320N to target

areas there ui11 be broken lol'l and scattered middle and

high clouds.

Target.s: Osaka, Sumitoma ani TakBr'azalta: 5/10 CUl'.lulus.base 2000

f:t~. top 5-7000 ft; 2/10 al tostratua at 15,000 fti 2/10

cirrus at 27.000 ft. ,1ind8 at 20,000 ft will be 280° at

30 knots.FUji. Ha.nada.Tsu. and Eitoku: 6/10 cumulus, base 2000 f t .top 5000ft; ..~/10 altost.ratus at 15,000 ft6 1/10 cirrus at

29.000 ft. \'h.nds at 20,000 ft nill be 280 at 35 knots.

Bases on

Return: Broken Low, scattered. middle and high clouds m . th ceca-

sional light showers. ~

OBS ER VED \" lE A TH ER

Bases atTake-off :Scatt.orod low clouds.

Route: Thore we re sca tter ed to b.roken low clouds with occasional

to\1er~ng cuzmiLus, and scattered to broken r:riddle clouds

to 26 N. From 26ONto 280N t hero 'Was a i1()ak front "l7ith

overcast low and middle clouds and occasional cumulonimbus

with light ehowera~ From 28,oNtotargot area there wero

scattered to brokon low clouds and scattered m i d d l e and

high clouds. ~

-2..5-

.. Q Q ~ F IDE N T I ALL---------

Targets I' Osaka: 5~7/10 Imv cl<!luds. 'lias<!l20(')0ft. top 7000 ftj 2/10high clouds at 25.000 ft. flinds at 20.000 e t wore 34

00

at 20 knots.TSJH 9/10 10'VI clGuds. 'top 8000 ft ;1/10 hil3ll clouds at

27,000 ft. V{indsat 15.0GO ft were 20° at 20 knotS.Ei toklH 10/10 low clouds, top 10,000 £t. ','Tinds at 20•000

£t 7lerc 3600 at 2 5 knots.Takarazuka and SumitOlili!..~ 4/10 Im'l cloud,s. tops 6000 ft,

2/10 high elouds at 27.000 £t. (iIlOF1;hof targot 10/10

low 'cloud,s) i1inds at 20,000 £t "i/cro400at 27 laiots.

Fuiiand..Hanad.al 9-10/10 low cloUds, top 6000 £t; patch

of a 10/10 middle cloud !War Fuji, tops 12.,000 itiwinds

at 19.000 ft 'iioro 3000 at 30 knots.

Bases onRe1<urtll Scattered low and rnidd10 clouds •

. . .6 -

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I

•

.MAP .' P A L A L :

. ODZ .! I

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•..•



Missions No. 284. 2851 286. "287. 288. 289. ani 290

24 July 1945

c

CQMi\l i1JNI CAT! om

Par t I - BOM

P3rt II-Radio



SEORET. . . . . _--'---

PART I ... ·ReM.

1.· Purpose:

b... T :o conduct ~ general search of ,an,0IItV radars in the 20-3000

me regions·"

. c·o 1'0 barrage jam enollzy"gun-laying radars in the 72-84 and190-210 me~rogions" and to "lPot jam any gun.-laying radar si. gnals thatappeared outside the barrago bands.

d. To conruse gun-laying ra.dars by tho uso ·of rope.

e. To search for and recordenG!l'IY voico ccmr,1unie'3.tioneo

2. Method.;

a. Forty-ono ReMobsorvers participated and used the f6110·,7-

ing equipment t o accor.1plish the search a n d j a I i ' . l r . l : i n g :393- APT-I. 1 9 6APQ.-2 t 10 - ARQ.-8; 24 - A P I ' - . 3 (MOdif ieq ) • '40 .. APR-4. 2 ...AFR-5. 3 -

ARR-7. 8 ... ilJ'A-24. 8 - APA-6, 20 - APA-ll, 12 - ANQ.-2 and 2 - ANQ.-2.

b.. Each strike airplane n"as equipped with 1 or more jaIiDcrsso tuned thst the individual flight squadron \7as made self screening

by jamning the barrage band.s. The barrage Was SupplOlllented by the use

of spot jannners .•

3. Results:

a. Soventy-one intercepts were recorded and are listed at the

end of this section..

b. Tho barrage rraa reported. as continuous except for aomc

small gap,s '''bich were filled \1ith spot jamr.lers.

c. A.sigllal 1.52/1010/(Short) was intercepted coincidont with

flak frcm 2 naval vessels. Two jarorilcTs 110ro set on this frequcncy and

succeediBg. rlak bursts were cGrrect in aziluuth and 3000-4000 f00t bolon

formation.

4. Remarks:

a. A 3.81 me G l1 signal \78.8 intorcopted at 3420N - 13510E and

an en.enzy"voice transni.ssion on 4.4.8 me was intorccpted at 3500N - 1361.52•

·b. A 247 me tone modula.tcd signal UBS intercepted and is be-

lie ved to b0 a bcacoIl of some sort located along tha coast in the

. 3 4 I 5 I r - - 1 3 . 5 1 0 E vicinity. T h e m od ul at io n c on si st ed of an a-second dash

followod by a code group of 3 lotters and then anothor 8-second dash

etc. The signal appeared to be cOrni.ng from a diroctional 'lIltenna that

rotated at approximately 6 RPM.,

6. The following unusual signals wero rocorded: 45/900/7.2 7 0/ 62 .0 /' 1, 3 6/ 20 6/ 1 6.

SECRET-----~

- ~.

" - ,..". . . . .."

~ v '

PART I -"ReM

1. .PurpOSG": .

a:.· To D/FanslllY radars· •.

b'.: Tb conduct ~ genor~l search of eno!!1Yradars in the 20'""3000Dl.C rogions·.·'

c·. T'obarrage jam G,nol!l)'gun-laying radars in the, 72-84 and190-2.10 me regions. and to spot jam any gun-laying radar .si.gna1s that

appeared out,side the bam-age bands.

d. To confuse gun-laying radar,s by the, uso of rope.

e. To scar ch for and record enemy voiCG ' ccmmunic9. t ions.

a. Forty-ono ReM observers participated and used the I'0110..-

iog equipment to accomplish the search arid jamming: '.393 ._.API'-l. 196 ...AP~-2; 10 ...ARQ.-8~24 -APr-) (Modified),' 40 ... APFI-4. 2 ... APR-5. 3-ARB-T. 8- APA-24. 8 - APA.6, 20 - APt-n, 12 - ANQ.-2 and 2 - ANQ,-:a.

b. Each s,t'I'ike airplane was equipped with 1 or morcj8.lilO0I"S

so tuned that the individual fl.ight squadron uas made self screening

by jamming the barrage bard s , The barr&ge was supplemented by tho;::use

of spot, jammers.•

3. Results:

a. Seventy-one intercepts were rec,orded and are listed at the

cnd of this section.

b. The barrage was reported as continuous excc;pt for 500..0

small gaps which 71ere filled with spot jamr.l0rS.

c. A .,9ignal 152/1010/(Short) was intercepted coincident TI"ith

flak fran 2 naval vessels. Two jammers \1.)ro sot on this frequ.cncy and

succeeding flak bursts wore correct in. azimuth and 3000-4000 feet beLo..

formation.

a. A 3.81 me CI1signal was intorcopted at 3 4 2 0 N - 13510.£ and.

an cnettzy"voice transcission on 4.4,8 me was int.orcopted at 3 5 0 0 N - 1 361 5E •

.b. A 247 me tone modulated signal nas intercepted and is bo-

lieved to be a beMon at some sort located along thG coast in tho

.34I51lr .--13510E vicinity. The r.:Leduhtion consisted of an a-sccond dash

folloi1od by a code group of 3 lotters andtncn anothc;r 8-second dash

eto. The si€,'nal appeared to be comins from a directional 'lntenna thatrotatod at approximately 6 RPM.

6. Th e follo\7ing unusual signals. wore rocorded: 45/900/?2 7 0 / 8 2 0 / 1 , 3 6 / 2 0 6 / 1 6 .

- 3 1 -

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LIS~ OF I~~ERCEPTS

00036 0206 1 6 29001~ 13910E 072445 1330 21 1 21 S00045 0900 00 3220N 13520E 072445 094 9 21 1 21 S00048 0250 44 3128N 13507E 072445 0927 21 1 21 S00064 03€i0 4 2 3150N 13600E 072445 1040 21 1 21 S E IV CHI00068 04..Q0 12 32051>T 13635E 072145 094 2 21 1 21 5 E\I' OR I00068 0360 54 2950N 13800E 072445 1035 21 121 S Ell car00070 Q 4 7 3 30 3145111"13655E 072'145 0933 21 121 S Eli CHI00071 0500 56 3147N 13547E 0724 45 0934 21 121 S .E'J CHI00072 0920 00 3430117 l3650E 072445 1 1 4 1 21 121 S

00073 1000 00 3 3 03 1 I T 1 3 550 E 072445 2201 21 121 S00074 OL~50 00 34251'l"13650E On-H5 11 4 0 21 121 S El i CP.I00075 1000 00 3 1 2 0I i ! 1 3 730 E 072445 0925 21 121 S00077 1000 00 3300lIT 13722E 0724 45 0800 21 121 S00077 0350 00 3000N 1 37<' 5E 0724-15 0955 21 1 21 S Ell' CHI00078 1000 10 3 21 0I v 1 36 30E 0724 4 5 1 022 21 121 S G L OTA0300078 0410 00 3-!25IIT13650E 0727-1-5 1HO 21 1 21 S ]l';T CEI00078 0900 00 3510N 13725E 07271:5 1130 21 121 S E I1 C HI00079 1990 05 3445l1T 13547E 072745 n03 21 1.21 S G L OTA0300080 0-190 4 0 3306N 13948E 072-'1-15122-'.1,1 1 22 P Eli eEl00080 0400 00 35001>1"13650E 072L1--~5 11 29 21 1 21 S Ell C HI00081 0350 00 31 05N 13555E 072,;"';15022 21 1 21 S Ei; C HI00081 1000 00 3120N 13730E 0727-.15 0925 21 1 21 S

00082 0472 4 0 3ll 0N 13720E 072745 0920 21 1 21 5 E'J C HI00090 0137 00 34 21 1> 1"1 36 50E 07 27 '~ 5 1 1 4 0 21 121 S B IT 00101020200091 0475 20 3358N 1l::3428E072445 1022 21 1 22 P E ~l 001010202.00094 0000 1 0 3230N 13520E 072~/,l,5 1055 21 1 21 S Ell00095 0355 32 31 53N 1 364 5E 07274 5 0937 21 121 S Ei i 00101020200096 02/,;,800 34 17N 1 3550E 0727"15 1137 21 121 S Et: 00101020200099 1500 00 3230E 1 3700E 07274 5 0935 21 121 S

00099 0132 00 3415N 13650E 072745 1136 21 121 S EI; 00101020200106 0760 00 330QI \T 1 3630E 07274 5 0958 21 121 S EJ 0':100107 0111 00 34401 '1 13652E 072745 1 1 4 2 21 121 S Et 00101020200107 0340 80 3250N 1 3600E 07274 5 0959 21 121 S Eli 001010202

;; >'" r:

00108 0635 ·00 3120N 1 3730E 0727L15 0925 21 121 5 E \ , " 001010202 3 f "~ ~00115 0000 00 3oM5li! 13600E 07274 5 10-! 5 21 121 P ,? ~

00145 0465 08 3335N 133·12E 0724<15 1000 21 1 22 P Er, 001030003 :;:

00146 04·60 38 S350N 13500E 0724 '±5 1200· 21 1 22 P E r. 001030003 :--

'". ..

00147 1010 05 335311 )"13508E 0724 ?15 1200 21 122 P Eli 00604 L J

r .r

00147 04 80 07 3028N 14019E G72'145 1 4 4 8 21 122 P E ,i 001030003 <: >

"01·18 0500 03 3457N 13635E 072,1'';'51 1 1 7 21 1 21 Ii E i i 001030003

00148 0500 05 35051i! 13600]! C 7, 2·1 -' 151 11 5 21 121 S E ' ; : " 001030 0300150 0·:::8204 3320lil·13540E 072445 1 1 4 5 21 121 5 Ei: 00103000300153 1010 03 32451~ 13600E 072445 094-8 21 1 21 S E~! 00601),00153 0500 25 3130lIT 13700E 072'145 0947 21 1 21 S E'·· 001030003"01 52 0500 04 3122l'l"13612E 0724 45 1007 21 L22 p Er . 001030003001 54 0000 06 3416l'T 13559E 072445 1059 21 121 S EB00155 051 0 00 3330N 13600£ 072415 1020 21 121 S Ei: 001030003001 56 0398 05 3305ii 13600E 072445 1128 21 121 S Er r 00103000300156 0500 06 3431N 13522E 07 2 . . .. 4 5 1102 21 1 22 P Ei-i 00103000300156 04 86 06 2705N 14212E 0724 45 1 521 21 12Z P E li 00103000300156 04 80 07 3145N 13200E 072-1-:1:5160/.1:21 1 22 P E \? C0103000300157 0500 05 3355ti 13515E 0724 45 1050 21 1 22 S E\7 00103000300158 094 0 08 2800N 14300E 072-H5 07,.10 21 1 22 ? Eh DOSCh00158 0490 12 2705N 142121 0724 45 1606 21 1 22 P Er r 00103000300160 0450 08 3340N 13638E 072lH5 1200 21 122 P E i l " 001030']0300160 024 0 07 ~lOiq- 13652E 0724115 1143 21 1 21 5 r.; 00103000300160 0500 01 3-143N 13827E 072~145 1 1 4 5 21 1 21 S E ti 00103000300162. 0475 05 2700N l· : l ,OCOi! 072115 0750 21 1 22 P E li 00103000300162 1000 06 3300l~ 13535E 0724<15 1020 21 1 21 S Eii 0060<1:

-16-

~~QB..!i!



---0-0164 0700 05 3350111 13650E 0724 4 5 1 0M 21 1 21 S E\ 7 00103000300165 0455 05 1200 21 L2Z p E'" 00103000300167 3.236I~ 13530E 072745 "

0000 07 3340i ; j '13515E 072"145 1034 21 1 21 S Etl '00175 1500 04 3250i~ 1 3550E 072' HS 10 17 21 121 S E \700."3 1- 10000 02 32- 10 i ;]13501E 07 2- : E· 5 1023 21 1 22 P G L 0011 0100215 1020 01

3305i1i 135-15E 072' ;~ 5 1 024 21 1 21S

GL 0040100218 0~J ,6 5 06 325 7 1 1 1 "13503E 07 2, 1 4 5 1028 21 1 22 P00238 2000 02 3- 1 4 eN 137 21 E 07 2· . 1 : 4 51130 21 1 22 P G L OTA0100238 0450 24 3510N 1 3637E 072" 1 4 5 1 1 20 21 1 21 S002·10 0000 01 33551'i 135 lO E 07 2 4 , ' 15 1038 21 121 S G L 0040100270 0820 00 3310N 13615E 0721 4 5 1 015 21 1 21 S

PART II - RAD[O

1. Strike Reports: There were 6 9 strike reports received dur-

ing these missions. The reason for the excessive number of bombsaway messages was due to tho large number of targets. Tho 313th l7ing

reported rcce.iving 6 contact reports (ship sightings) during thesemissions.

2. Fox Transmissions: The 1 + Wings participating in these I!lis-

sions averaged onlY 7 3 . 1 per cent on aerial operators copying Fox mes-

sages from the ground station. Following is 9. per cent age. breakdmm by

Wingaircraft operatots logging "F" type'messages transmitted froLl the

ground station: 58th, 6 9 per cent; 7 3r d , 8 7 . 8 per cent; 313th, 7 4 0 1per cent, and 314th. 6 1 . 7 POI' cent. Biggest reason for Llanyoperators

not receiving thase raessagea was atmospheric interference, which was

very heavy over the target area·S. 0ther reasons included off watch by

direction of airplane commander, guarding air sea rescue frequencies,

air sick, helping navig'3tor on Loran fixes. and enemy interference on

tho strike frequencies.

3. Frequencies: , H e a v y atmospheric interference mlS encountared

by all aircraft radio operators 'over the target area. The 7 . 3 r dWingused its neITIyassigned 3160 Kes frequency for the first time and re-

ported the frequency ~.. having a good. signal. rleak to model',to e n in-

terference was encountered on this frequency during the'entire nission.

Following is a percentage breakdown of' traffic por frequency: 8 . 4 per

cent on :; tlcgacyclesj 2 8 . 3 per cont on 7 megacycles; 62.8 per cont on11 megacycles.

4. Navigat ional Aids: There were 2 requests for HFD F bearings

received by the \7ing ground stations; both m~re obtained. One emer-

gency fix was obtained and 2 HF/DFbe'arlngs Vlore obtained from the 1\10

;rima AACSstation. Condor Base, Saip.no, 'received 2 requests for VHFI

D F bearings; both were obtainod. Ran~os, homers and broadcast stationswere used effectively.

5. Net Discipline a n n Securitv: Thore were several instancos of

aircraft radio operators transmitting before listening and broko in on

to other aircraft's transmiSSions. CorrectivQ action was taken. No

securit,y violations were recorded during these tlissions.

6~Enqmy TranSmis si ODS: Tho f011=i.ng incid onts of jar.lming.

e~e1 lzy ' 'transmissions, andint.erfOZ'®nec \7erc recorded. during these o.is-

Slons~ ,

a . . . 3020 kesl Unraad.abla voace from 2.100Z to 21l0Z 1799 vory

efffectivlOl,.

b e . 6615 kcs:

(1) o n transmissions from 17452. to 1805Z wore offectivO.

(2) 0'.7with calls 71K and 9Dl' between 21372'. and 2207Z

and from 00003 to 003020l'Iasp:trt ially o.ffeetivo.

(3) Bu.2zsa'l'1and 0\1 betwe~n 0100Z and 0600Z nas effectivo.

C,. 10305 kcsi o r : whd.ch sounded like soaocno holding trans"

mi tterlcoy down when aircraft attemptod to send a rn.ossage. betwoon

0300Z to 0530Z" was vo·ry offoctive.

a, 3160 kcsi

(1) En01lVC\7over target area Vla9 partially Gffective.

(2) Jap 0:.1at 2200Z was partially effective.

(3) ClNfrom unknown station bet.wocn l030Z and ll30Z ;ras

part ially effect iv e .

e. 6055 kca r

(1) Enei !1¥ Cr! and HIT at 0329Z was effect iVG.

(2) Station nBi'f4.' at 18,59Z blocked time tiek uasvery

e f f e c t i v e .

(3) rap 0'.1ovor Jap mainland was partially effective.

(4) !lJ'J,'jR.'1 and ilV'S~ bct,?,oen 0030'? and 01lb5Z VIere clTcc-

tive.

(5 ) Ja.p voice at a100Z was vC.ry effo ct ivc.

(6) Voice stations with excollent signal but poor road-

abiE ty bctneen e219Z and 22302. ·,'1crovery cffccti ve.

f .. 10880 kcs ,.

(1 ) Enerrw CI'1 over Jap ;mainland was effectivo.'

(2) Bagpipe ja\!li''.lingat .01202. lasting approxima.tcly 20

minutes was partially effoctive.

g.,. 3410 and 7110 kcs s lIkgligiblo.

h. 1160 kesl

(1) Musie from 1620Z and l710Z '<las very affective.

(2) Dashes and VIS betweon 2300Z and 2335Z were partially

cff'octivo.,

i,.. 3990 and 10820 kcsa Negl.igiblo.'



j.' 7415 kce I $ta.tion SDP sanding V's and traffic was very

effeetive.

7'0 Distress I The 58th, 73rd and 313th l1ings reported no distress

traffic On their strike frequcn.c·ies. The 314th '\1ing reported a sories

of t.ransmis,si ons between the air ground sta't ion and a B-2 9 d r c l i n gOver a yell.ow aoa marker. A fix was obtained from AAGS. This .informa~

tion '1as tOI'l7ardsd to Mission Control.

8. Equipment Malfunctionl AN!ART-l3.; 1 inoporativo; 1 shorting

out; 1 qynamotor burnod outi2 f.ixed an·tennas broken; :80-11.1.8: 3 inop-

erativejAN/ARN-?: 1noporative; 1ndicator inoperativ'e; 4 sensc'an-

t e n n as b l " ok : e n j 1 t u n i n g c a b l e i n op e r a t i v e ; RG-43.; 1 a nt en na b ro ke n. 1l i g h t s contiuuously; SCR-522 = 2 inopsr9.t iVO; 2 cutting out j. lebannel

B. Cand D. inopcra ti ve i 1 tra!lSr:li t t e r inoperative; S d R . . 7 !i l i: 1 inop-

era.tive"; Intcrphonel 2 microphone swi t c h e s inop0:t'a.tiVOj 4 . j.fJ.ckbOX:

loakagcj lfQot s wi tc h i no pe ra ti v e; 1 t hr oa t m ic ro ph on .e i no pe ra ti ve .

RL-421 4 . inoperative; 3 I.eights lost; 3 sticking.



D

SECRET. . . . . . -----

INTELLIGENCE

Part I - Eno~TIYAir Opposition

Part II - Enarzy~tiaireraft

Part III - Damage AssQsstlCnt

Missions No, 284. 285. 286, 281. 288, 289. and 290

24 July 1945

PaB'f I. _ E N E M Y AIR OPFOSI'TION

1. The 4-wing daylight effort agail'lsttargcts in the Osaka-~agoya

ares evoked no anoIizy- fighter attacks, althllJUgh a I:les.ger 25 to 30Inter-

cepters were airborne.· The onsmy fightl!ll's were seen en tho Takarazuka.

Tau, anclHanda st.rikes. indicating tok"n resistance over ur-ban areas

Oll~.At9.ong the fighters seen 179re a few Jacks,. an Irving, and o:~Ull.ldent.i.fisd fighter,s. It was not boli eved th;tt tho TIOEI . t her protu.b1.tod

.fighter oppesition. Consequently thspeucity €If' e·nomy fightors uaa at~

tributed to the Japanese conservation policy.

2. Threo greups €I f P-51's struck at targets in tre Oaaka-Nagoya

area an hour prier to the B-29 strikos. Tho Mustangs mot no one"IY

fighters.

NOTE This repert is based en evaluated inforr::lation available afterthe ,0cmpia t ion €I f the Conselida ted Statisti. cal SQIlll.:lary.

1. Mission Ne• 284 -$JIT'Ii tomQ Li(~ht Matal IndustrY, Osaka:

a. The primarytargot OOS beo'tsedby 82 aircraft of the 58th

Wing between 0251Z-0322Z frep 19, 900-22 ,100 feat. Axis of at tack var'-

iod. frem. 45 to 53 degrees. \7oathor was re,pert<:d as C:AVU-3/10over the

targ.et.

b. En reute to tho target mC£lge- r , inaccUl'3.to, and hO.:lVYflak

"lias encountered at Yu;ra (on 1I.waji Shima) and from the peninsula North of

· ,7akay"Ua9. .

c. Over tho target flak was described as moderate to intense,

accurate and heaVY. Compres.sion ,of forces was accomplishoo as can be

seen f r om the following facts: Four bombing formations m:~rc ever the

targe.t in a 2'-r:linuta interval: Twenty-two t.\inutcs later .2 nore boob-

i1;lg formations\1cre over in a .bminuto interval. Tho last foruationcame in a160e6 r,linutes later. All formations reported moderato to in-

tense flak. but the last farnation aowing in 6 r.linut€s behind the rost

seeDed to r e c e i v e tho oost intense fire. This is as oxpected. since

one formation was insufficient t o sa tu ra te tht:ldofenses. This particu-lar formation cncpu-ntered a series of predictod concGntr~tiona of 200-

.300bursts in an oval pattern 500 feet deep and 2500 foet 'dido. Every

aircraft in the formation was hit more tb.an once, and. 1 aircraft uas

lost as a rGsult of a direct hit 71hich broke the pl;ine in mo. Break-

away i1SS to the left for all foI"t.l.ations except the fifth which broke

to the right 'to take advantage of an. existing ovorcast over eastorn

Osaka. All fermatiens experienced a decrease in flak intensity and ac-

curacy upon breakaway.

d. On wit hdra\7al flak 1785 ericourrtcr-cd as tabula ted bolo\7:

! P e a t i o n Oo o r d i n a t es RemarkS

Hanshin Airfiold Meager a nd i na cc ur at e, heavy.

Fushir:li 3456N -13 .S4bE MOderato and accurate, heavy.

Fermat ion nae endeavering. to

fly between tho Osaka-l~ote do-

fons<3s, but turned too liido

a n d f l e u ovor S. Kyoto defenses.

, & Baaed on :7ing Flak or/tOOl'S I RG:por,)

;;: >-«

{f:7 .:;;

.' z.. . ; : : :~ C o

. . . . : . ~..t 5 -

G

-s-



Location

~oto

Coordinates Remarks

3500N 13545E Meager to moderate and inaccur-ate, heavy•.

SUSaki 332]N 13320E(Bombedas T.'O.· by 1 aircraft)

Very meager and: inaccurate.h e a v y .

B~ Oneaircraft was lost to·flak on this mission, and of 82aircra.ft attac.king the primary target. 50 or 61 per cent of total dam-~e~ These high damagefigures indicate the potency of the Kobe-Osakad e f e n s e s under clear weather conditions during daytime~ It QaB feltthat if all bombingformations had beeoclosed up 171 thin a minuteIatime interval, saturation of the defenses would have been greater witha resulting decrease in damagerate. There was a 22-minute break be-tween the i'irst 4 formations and the fifth and Sixth. There uaa a n -

other 6-minute break between the sixth and seventh formations. These

breaks gave the enenu defenses adequate time t0611ing around. and en-gage these fonuations.

f . Oneaircraft reported a smokescreen in the· Kobe dock areao

z, Mission No. 285 - Kal"laniahiAircraft .Plant. Takarazuka-Osak;aArea'

a : . . The primary target m1s bombedby 77 aircraft of the 58th

~ing between 0133Z-01412 from 19,000-20.600 feet. Axis of attack

Varied from 34 to 38 degrees.. fleather was reported as generally clear

";7ih a slight br-oken undercast. Four aircraft bombed the primary

radar target (Kuwana) at 0203Z from 20.300 fe·et through a 10/10 under-cast.

ti. En route to the target flak 'rIas dncountered as tabulatedbelow:

Location Coordinates Remarks

ASsemblyArea of 3343N 13340E Meager aOOinaccurate, hea,\ry.468th Group

Tokushima 3405N 13435E Meager a n d inaccurate. heaV",i.

5umoto 3420N 13455E Meager and inaccurate. heavy.

CVE 3440N 1351lj.E. Moderate and accur-ate; heavy.

·c. Over the target flak was described as moderate to intensa,

accurate, and heavy. All 3 types of fire control nere employed. The

attaek ',vasmade in 10 formations of 3 to 13 aircraft each. A fair de-

gree of compression was effected--lO :t'ornlations over target in 14 min-utes; hor7ever, there is apparently Iittle, if any, indication that this

degree of compression saturated the defensee. Eaoh formation seemed

to receive approximate~ the same intensit,y and aocura~. The 4 . air-

cr8:ft

bombing lUmana (PR) encountered meager, inaccurate and heavyflak. Oneaircraft bombedTokushiraa as a target of opportunity aDd en-countered no flak.

d. Onnithuraual following ,a left b~eakanay to the north,meager to intense .. and inaccurate to accurate, hea-vyflak \'fas receiVed

trom the ~oto area. Someaircraft were east of the briefed course,within range of the Kyoto defenses.



e. .Noairc.raf't we,re lost to' flak on th_ia mission, and of 77a1.r~ra'f't attacking the primary target, 51 or 66 per cent, sustained

flak ciaI.t!age.-. j;Jajor ,damage 1!!Illounteq to 23 • .5 per Cf;lnt of total damase.

3~, Mission No. 286 ~ Primary _Visusl-·Osaka £ I i r I 1 l Y ArsenalPrimary Badar...Ku.,a.na ~

B! The primary visual target (Osaka) ;1aB bombed' by 3 .5 air-

er·aft of the 73rd Wing between Ol44Z-0201Z from 19,·900-23,000 feet.

A . x : i s ·of at ta ck varied from .30 to 50 degI"eea. \lea thaI" uaa I'e};orted as

olear to the Osaka dock area wid 8/10 undarcast over Oaelta.. Just nortJlof Osaka the undercast thinned. aOOIWato was clear. Between l(¥oto andKuwana there existed a 9/10-10/10 underoast. '.Iind pas 25 knots from

350 degrees.

b.. The prima_ry radar target (Ku....ana.) 'iles'bombed"by 119 air-

craft of the same :1ing betl'l-BBn0155Z-02277. from 20.5°0-22,85° feet.The route was over Osaka (same as the aircraft bombing Osaka) to the

southern tip of Bi\1a Iak.e. From here a run of 80 to 100 degrees dOS

made into lCuwana.

c. .Flak en.Route to Targets,1 En route' to Osaka flak: miS

encountered 'as tabulated below;

Location Coordinates' Remarks

Eastern, tip of ShikokU 3350N 13445E Meager and. scattered, heavy.

One A le hit.

VicinHy of I.P.

(YUra-Awaji Shima,-3 41 5N 1 34 55E Meager" and inaccurate to ac-

curate, heavy. continuously

llointeq and barrage. One A /ehit.

d. Flak Over the ITimarv Visual TarRe", (Osaka): ",-11air-

cra:tt encountered flak over the primary visual t9I'get as tabuhted

hlelow:

,(1) iJ.97th Group: Attacked in 4 . Squadrons on aourse of

30 to 40 degrees. .Reported moderate •. accurate , and hea-vy flak of

2 to J minutes duratl.on. Control was barrage and continuously pointed.

Squadrons rlere compressed to within 1minute inter'lals except for the

fourth S~uaa:ton 1.7hieh lagged the third by2 minutes". One aircraft "U:lS

damaged in the first Squadron, one in the second, . one in the third,

and. none ill. the fourth.

(2) SOOth Group: Attacked in 4 Squadrons on a course or

43 degrees (appro:xil'lately" the same for each)" Flak was descriced as

moderate, fa'irly accurate, and heavy, of 2 to 3 minute duration Coc:-

I>ression. was effected in that all 4 Squadrons were over in a 2"mi:l.Ute

interval. "Twoaircraft Ivera "damaged in the first squadron. threo in

t he sec on d, one in the third. and none in the fourth.

(3) 4q8th Group.I Attacked in. 4 Squadrons on a course of

4 J . degrees for 3 squadrons and 87 degrees for the ether. Flak ~i8S de-scribed as follows I lllea.J;er and aceurate for the first squadron (3 air-

craft damagedaIrl 4 rocked) i moderate and accurate for the second (3aircraft hit and 1ocked) j meager and inaccura te for the third (no

aircraft darnaged and 1 rocked). Moderate and inaccurate for the fourth

(no aircraft hit or rocked). Squadrons were 1 minute allart. Control

was barrage and continu.ously pointed."

"39-

§!.£B!l

(4) 499th Qr o up ,I At ta cke d in 4 Squ ad ro n s o n a co u rse o f48 t o 50 Qegrees. The first 2 Squ ad ro ns b omoe d t h e pri ma ry vi su a l ta r-ge t a n d a escr i be d fl ak as mo d er at e, a cc ur at e , an d he a ~J . o f 2 t o 3 m i n -ut es du ra t io n~ Te n a ir cr a ft I. er e h it , and 4 . V Ie ra ro c ke d. Co n tr ol was

C O o. t i nu o \ :l S l :yo i n te d , ." T h e l a st 2 Squ ad ro ns de scr ib ed f l ak as mo de ra t ea nd i n ac eu ra t ao he a vy. pr ed ic t ed co nc en t ra ti on s o f 2 mi nu te s d ur at io n.Two a i r- cr a ft ~e r e h it .

e. A st ud y o f th e f l ak a ct iv i ty expe r ie nc ed by t he fo u rG ro ups r ev ea ls th e f oll ov nn g g en er ali za ti ons I

(1) The tt co mpr essi o nG o f Squa dr on s r esu lt ed i n a n o ti ce -ab le d eg re e of sa tu ra ti o n o f t he Osaka d ef en ses--t he la st 2 Sq u a d r o n si n e a ch G ro up appa r en tl y re ce i ve d le ss da mag e t h an ~h e f i rst ,2 Squadrons&

(2) 'I h e d e gr ee of sat ur a ti on appe ar s.' ho we ve r . to be

r a t h e r S l i g h t i n di ca ti n g th at a 4..qua d ro n fo r ma ti on . e v en th ou gh co m-pre sse d to I-mi nu t e in te r va ls be tm: Je n squa d ro ns, i s n ot of suf f ic ie nt

size t o explo it t he sat ur a ti on l i mi ta ti o ns of t he Osa ka de f en se . h e

pr ev io us r ep or ts o n I \l li ssi on sNu mb er ed 284 a n d 285 l en d fu rt h er e vi de n ce

to t hi s hypot he sis. On th e ot he r ha nd th i s appa re n t i n ab il it y t o sa t-

ur at e t, hi s d ef en se mi gh t b e d u e to a po ssi bl e impro ve me n t of J ap fl ak

t ac t ic s. To i ll ust ra te : Th e G e rman s h an d le d la r ge ra i ds an d pre ve n te d

sa tU ra t io n o f de fe n se s b y th e simpl e expe d ie nt of e st ab l ishi ng a course

l i ne fo r ea ch ra i d and h a v i n g all th e fl a tt er ie s on th e r ig ht sid e en -gage t he o dd nu mb e re d f or ma t io ns; i.e., f i rsi, th i rd , et c . Th o se o n

t h e l ef t en ga g ed th e e ve n n umbe r ed f or ma t io ns. Th is ~a s a t a ct ic pe r-

mit ti n g t he opt imum e mpl oyme n t o f a d ef ense ag ai nst any r a i d ; i . e . ,e ng a gi ng a l l f or ma t io ns ~ it h so me f la k r at he r t ha n c o nc en t ra ti ng o n t h e

le a d e l emen ts. t h us pe rmit ti n g t h e t ra i li ng el e me nt s t o ri d e " fl ak

free t t• Our st er eo typed a xi s o f at ta ck a ga in st Osa ka (c omi ng i n f ro m

Awaj i ~i ma ) ~o ul d ce rt a in ly g iv e t he e ne qy an exce ll e nt set - up f orsuch a t a c t i c .

f . Fl ak en Rou te t o th e P r imar y Ra Q8r Ta rg et (Ku ua n a):

(1 ) U pon b re akin g no rt h fr am Osa ka . 3 G ro up s e nc ou nt er edg e ne ra ll y no d er at e, ac cu ra t e and he av y fl ak i n th e c or r id or be t' : 7e en

Osaka and Kyo to . Co n tr ol Wa s c on ti nu o usly poi nt ed . Fi ft ee n a ir cr af t

susta i ne GI da mag e i n th is ar ea . Thi s f ig ur e i s n ot conmensur-at e ' I1 iht h e knorm de fe nse s an d i nd ic at e s a po ssib l e re c en t st re : lE r~ he n in g o f

t he Kyo to d e fo nses i n an t ic ipat i on o ~ an i nc e nd ia ry mi ssio n o n Kyo to .

Ne w ph ot o co v- cr a ge pl a ns n av e b e e n set u p fo r th i s ar ea ~

(2 ) B e t~ ee n th e e dg e o f Ni ua L a ke and lumana no fl ak ',lase n c o u n t e r e d .

g. Flak Over th e Primary Radar TlU'P'a£.i_tMlJ:!H!9.11 A 9/10-10/10undez-cas t e xiste d o ve r the targ(3t, a n d f la k wa s d es, ~r il >c d a s spo ra d ic ,

mea ge r, in ac cur at e and h ea vy. No d ama ge was su st a in ed ,

h. Summ.;gv. o f l oss au d Dama.:;_e: No ai rc ra f t 1 70r e l ost t o f la k

on th is missi 6n, a n d o f 1.53 a ir cr af t b omb in g t he P ri C l! lr y Vi su al an d

R a d a r Targets, 46 o r 30 per ce n t, su st ni n ed f la k d ama ge . A b r o a ~ d o , m

o f t h e da mag e fi gU re s r ev ea ls 31 a i r c r a f t , ' o r 20.3 por ce n t, susta in e d

da ma g e o ve r Osa ka , and 15, o r 9.7 por c en t. su sta in ed d at na g e b e twee nOsaka and R¥oto.

i. ~scellaneous AA Observa~ions:

over K o c h i .(1) Tiro craue reported .5 t o 6 bursts o f p ho sp ho ru s flak

Ob ser va ti o n wa s mad e f r Ol l1 se ve r al mi le s a wa y.

;1>-e ss~:-

:7 .;;. -~~

~ . . .- < ; ; . .

: c:..

- J

r- n J

iii<: >Q -

- -

.,.

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(2) One crew member o'bse'rved ,a free ballo(;)n a.t 3410N -

13510B. The observ~ was at 21.500 feat and estimated the balloon to

be 10 miles susy at 18,000 feet. The descri,ption clos,ely resembles

that of' the be.lloonsbeing direct,ed at North Ame,rica.

(3) One a.ircrsf't bombed ,Shirsheroa (3340N ,~,13512E)as a

target of.' opportunity and' encoun tered a meager. inaccuxato, heavy b:J.r-

r a g e , Aircraft wa s i; l . t 20,000 feet.

}h Mission No. 287 '_ A;chi Aircraft Plant. Eitolru. Nagoya:

"s. The prims.ry target (ras bom~ed by 66 aircraftof'the 313th

;,1ingbetween 0125Z-0152,Z from 2:0.000-2,3.800 feet. axis of attack avcr -

aged 97 degrees. ;Ieather 1186 reported as 9/10~10/10 undorcaat. Fi va

aircraft attacked various targets of opportunity.

b. 1 i : n l,"oute to the target flak wa s encountered a s tabulated

belm7:

location

Otsu-Kyoto Area

Remarks

Yokkaichi

Very meager a n d inaccurate, heavy.

Very meager and inaccurate. heavy.

EasteX'n edge of OsakaOne formation '11M off' course to the Jest·

and received moderate, accurate and heavy

flak from the Osaka defenses. Tuo aircraft

were hit.

c. Over the ta:rget .flak rlas described as meager, inaccurate

aad heavy; Fire was first encountered about I minute before bomb r e-

Leaae , Control appeared to be eotJ.tinuou'sly'pointed and predietdd eou-

centrations. Ktishimot0, KinOl1'lot0, nakayama, Handa and Takarazulr.a

were bombed as targets of opportunity by single aircraft uhereno

flak ..as reported. .

d. Flak uas nil after a breakal7ay to th.e south fron Nagoya"

e. No aircraft uere lost to flak on this mission. 1 : l i t l C of 11aircraft attacking all targets, 3 or 4c2 por cent. s.ustained fl6.1-: ie.a-

age. It is to be noted that 2 ·of the aircraft recei ved t~eir C81rage

from the Osaka defenses.

f. One erew member observed a burst of heavy flak approxi-

mately 100 yards behind the aircraft. It was normal in all respects

except that a .long length of TIire nas seen .strearning dOmlo

. 5 . ~ Mi S5.1O!l.~ 2~:.::._Q.:i ty~!.. TI'!1:l-(P~~·l. '£~.lJ\ada;£_.~!

a" Th8 prtmar:y radar target \llG.S bombed by 38 aircr9n of' the

313 th ~1ingbe'~11"Jen,O.l27Z-0l51~Z f'rJ.ll l5? 800·~18\,boo f ...let r- Axis e : at·tack varied from 16 to 2:1 degI'0G,'C-, rleather ros r,~p:)rlH')'i as 9/10 t.:.nder-

cast \1i th nind.s cf 20 knot a fr om 20 d8gt'ces" ,'3hinS'J. and fuki \'10:'6botlbed as targets of opportunitytltrotlgh a 10/10 a h d 5/10 undercast

respecti vel,y.

bo No flak was seen or encountered during the entire missi. on.

6, Missi on Nce. 289 - Oity of Tau (Prima.ry Radar):

a.,_ The primll'y radar target flas bombed by 75 aircraft of tho

314th lliog between 0138Z-0154Z from 18,000-22,600 feet. \'leather wasreported as 10/10 undereaet. Axis of attack: averaged 270 degrees~

. . b", Enroute to the target flak nas .f'i.:rsrt Effi@oUl').taredin

~ha Xvoto~ea. In general this f~ak: \'t!')sa.ascr~bed ~ moderB:te

. int.ense.and accur8lt.e. Seven alJ.l'craft sustal.neo.. !lUnor flak

damage. Th~s gl!'ou.pwas. a little ·af.£ ' course to, the west.. These

fac.ta,and figures fur'ther substantiates the poesibllity of the

streogthenl1ng Of the E;yoto de:fenaas as prevlou.sl,ysuggested in

the ral;lCmt. of Mission; NOli 286.

. . ei. &vet Nagdy"Bl.flak was des·cribe&a.e: manger and . inac-

cUra.te tlWOl.igh a i.b/10 undero8lS t"

dl~ O v - e : t the primary radar targot (Tau) nilkmtB des-

cribed as meeg,er. 1naocurat.e and heavy,

t.. No aircra£t vera loat to flak on th:La raiss,ion. an d

of 75 aircraft banbing Tau" 9 or 12.0 percent sust,ained flak dam..

age.. Itis to be noted that 7 of the aircraft damaged Were dam-

aged n.ear R¥oto.

7. Mis:;sion No. 290- Nakayima Aircraft Comno:n.y~Handa. Nagoya:

a... The primary target was bcnilbedby'?? aircraft of the

.91lj.th Wing between 0138Z-0156Z from 15.700-19,700 feet.. Axis of

attack ave~aged 40 degrees.. Weather was reported as 8/10-10/10

und.ereast with \"Iinds of 25 kn.ots from 269 degrees.

b. .Er:Jroutet.ot.he target flak U'as nil.

c•.

and hea;vy.

trations.

OVer the target 11alc was described as meager, ina.ccurate

Control was continuously ]!Ointed and:gredicted eoneen,..

d. On withdrawal flak. was nil.

e. . No aircra1't \Ta re lost to flak on this mis.sion, and of

7? aircraft bombi.ng the primrnzy terget t 2 or .2.6 percent, sua tainod

minor flak daraage.

::; >'<

~{_J~- -~,. .

' ; . .-'" 'L . . c .

F. ~ J

-: >o J \ . 0

- -I.JI -r-

i" ~-



PART It I -,D~~GE ASSESSMENT REFORT

The fOllot;itlg damage assessment report .covers damage to ta:Fgets

aa a reaul.t of Mission NUmber284; 285., 286.,.267. and 290. Damage

~esSlllent for M:Lssion Nmnber 288, and 289wa's oot ava~lable at the

-l.me of the writing of this report and may be c.Qvered l.n a laterrepqrt ..

EARl' UI- SECTI.ON A. DAMAGE ASSESSMENT,SUMITOMO . L I G H T METAL INDUSTRY_ COMPANY - - - .~.

1. SWIIIilB!'¥I

Original roof areal

CUrrent dama,ge: l,743.955,sq ...ft. or 77.5%

Total damage to dai;e: 2,028.255 sq. ft. or 90.5%

Total damage11lus .I'€movall ,2,158,655 a H a . • • ft.or 9 b ~ 4 %

Q)J.alHy and limi tati ens of photos: Good. 2 4 " ; distortLon,on targe"t.

1 medium ..siz.ed foundry building (prob.o.bly dar.wged)

7 s.mall bljildings (no apparent damage)

a l:amage from_current strike:Square feet Percent ·of

~ ~ ~Of~_~~~O~Q~f~_~O~r~i~g~inelodf erea

Destroyed 619; 625 27.5Struetur:al damage 70.300 3.1Bupe:rfieial

1.. Gutted

2.. Minor roof damage

Total damage

1,026~900. 32;05°1,743,955

45e61.3

7 7 . 5

Target 263.4.rras d.evastated. by Mission 284. Allmain buildings uere either gutted or damaged. All

buildings·. r ecei ved damage wi th the except Lon of'

2.. Sta.tistical Summary of rhnlage:

b. Total daIQa'geto dat.e:

Square feetof rOof

Percental'

original roof area

Destroyed

Structural damage

Superficial1.. G..ttted

2. Minor roof damag,e

Total. da.IllageRemoval Wior' to 1 June 1945Total damage plu.s removal .. to date

Original roof area

630 i42 575.380

28.4

3e3

51,,96.9

90.55 . 99 6 · g 4

.. Based on 20th A.F. _GIll D..A. Report No. 160

1.168;700'153~750

2,028,255'130~400.2;158;6552 . 2 4 9 , 7 7 0 sq. ft.

- 4 3 -



ITEl.iIZATION OF DAli\GE~---- __ ~R(~'r~'lQ~Y~Q~d~Q~.~ d ~e ~ st ~ r~ Q ~y a Q~ d ~p ~w ~j ~ Qu r ~t ~ Q~ ~ ,I l lJ J ma ~ ~1 ~ 9~ 1 ,~ 5 __I R o o f ilroo P e l " c e n t- -- -- -- ~ ~ (~ ,~ ~~ -- -- -- ~o ~f ~r ~0~ o~ f- -- -~ Fu n~ c~ t~ i~ o~ n~ o~ f~ '. ~b ~u =i l~ d~ ~~ ~~ ~, ;_~ co ~r ~~ '. ~~ m~ ~~_

29424455597 r J

G O919293

1 00101102103104

1 1 51 251 2712G

1 291 50

1 6466

U n i d e n t i f i e dUnic\cnti.ficd workshop

II II

StOTCS or wo r k s h o pO f f i c oStoreS o r workshop

II rI n

6 : . 7 5 01;8007,11004 ; 0 0 0'5,.300

5,3501:.C507 ; 4 0 04;1505;150$,2007j6007,'450o ; l J O'7;()OO

3,3004,0003 : ;v O O

5.,5505,650

.3,500

2,0007,500

100100l OalOO100

1001001(:0

1 001 00100100100100l C O100

100100

l e o100

l OO

100100

D Ill D L I,i;W &

u

""II

""

U n i d c n t i f i o dStores or workshops

" "" "

II

11

II

"U n i c l c n t i f i o d

"II

II

II

II

II

11

DUf!I.ap;e Rcsultin,,",: From ~~X.TDo;:: Com l'.iissio.n 1G 'l - 1 June 1945DlJ .!AGE HI S (. !UM lE F E E T

SUlTI1. r rCL' , .L Percent o fNumber

5062111.

9,000 6,000'600

G u t td } ' i i : . : D · ; :: ;o = - r . .. :T : . : :0 : .: t; ;: ;. :: .: :: :: 1 ,= "_ ..:.r",!o:.::o~f,--------_-10;800 leO

15,000 13.'600 .3k

n o o f o . r o t . . Destroyed

10,8000;000

1 14 , C O O1 7 4; 000299,600OTAL : 6,600

D~ee Resulting Fror.l :a:~Dor:l Com I'D..ssion 223 - 26 June lSJ45

10 150:;600 22,700 iJ.9,100 71,000 45~294 52,500 '900, 2,100 3;050 5 ,\

CU

79 171,600 25;100 14,200 39,300 22~9

'70 30,500 27,600 27,600 90~4oi 2;500 1;700 1:;700 be02 14,000 ll:,OCO ll,OCO 78.51 3 3 ll9-,700 7;200 2C,500 35,700 29.9n c 3;300 3 ; 3 0 0 3;300 100C 9 3;600 2,300 2,3"(''0 63;'"12 10,500 . 52 5 52 5 5n D13 . 10,500 1,058 1,058 10~027 4,000 600 600 '15.030 6,000 '500 '500 7. 3

1 22 14;500 14;500 14,500 100

1n 7;iOO 1;000 1;000 14.017 194,700 31,000 3 '2 000 2~,OOO 17.4

Totals 1J2,800 115,083 252,933

CONF ID lI 1HTI • .L

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- - - - - - - - - - - - - ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ - - - - _ n ~ ~ ~ ~ ~ - ; ~ ~ - ~ ~ - - ~ . - - - - - - - - - - - -bc~ II. b:jJi.'l.GE nJ SQ~FT. Percent

1 a o - - - ~ - - - - 'lO~1'~'a ~ r ~ e. ! a _ .. .. :! D : :5 e ~ s ~ t~ r ~ 0 ,~ y ~ e d ! __ _ _ E T £ . o t~ a ~ 1 ~ ,, : ,: " , " _ o : : , 'f ~ r ~ o ~ o : = . , f . _ . . :F ' u n f i ". r : C ~ t ; ; i ~ o ~ n ? : f 0 f ~ b : . : u : :i : . :l : . :d i : : . ·=r,;JL....;o:...:QTru~-'!_;.:.c.n;:;;t131 - e; ,!bO- 13,100 8 . : . 10 0 100 Unidontifi od

1,32 6~loa 6" 100 6,.100 100 11

133 S; 500 5,. 500 5j1S00 '100 11

134 2 ;1 600 2~GOO 2, {~OO 100 tI

, ' <1 :: l4~ 10 0 14,400 11-,40 0 100 "ow" 5~oOO ."~36 5,000 5,000 100 "137 2,800 2,800 2,800 100

138 0;200 8,200 0,200 100 ". -. 11,4151-"0 No damageu~ 1~500 7,500149 5,'000141 5,000

2~500 2,500HZ 3j 200 3,200

143 6,000 G,OOO

1~4 (~pln stores)145 2~300

H6 6,500

147 a, 500148 7~500

1491;250150 7;.100151 3,,{]00

152 6;500

153 4~550

154 1,500

155 S; 150

1;5,6 1:; 225

157 4,200159 7,1)00

160 2,500

161 7;500

1 62 2,000

1 63 1,200j

165 9,375

(No

2,300

6.500

2,500

7,500

4,250

7,'],00

3,800

6.5004,550

1 ,5008.150

<1,225

damage)

1.500

2,500

7,500

2,000

1.200

9il375

7,-500

5~OOO2,500

3.•200

6,000

2,300

6;500

2,500

7,500

1 , 2 507,4003,800

6 ,500

·1.550

1 .500

8,1504,225

7,500

2.5007; 500

2,000

1,200

9,375

100 "100

n

100 "100 "100 "

1 00 "1 00 "100

!I

1 00 "100 "100 "100 "1 00 1'1

100 "100 "100 II

100u

1 00 "100 H

100u

1 00 "lO\D "1 00 "

6 19,625

Structural:Gutted:,

i!!Iinor:

70:;:380 sq. ft.1~OZ6,900 sq. ft.32,050 sq. ft.

1,748. -gSS

Note: Include Bldg. 18, 7100 sq ..ft. of l'flof rmlU rhHltroye~ (lOO~:.) - shop

CONFIDIDlTI . '1 l ,

.- "



Damage ~sess~ent R p 60Targe t 'Sumi tomO Lgh.t Mete Co-90.25- OsclmMission 284 -24 July 1945

C.I.U.- 20 A F .

ISO

t..ART ill - SECTION B -DMlIill:GE ASSESSMENT. I {A11ANISHI AIRCRAFT CO. ,'I'..uc.'\RA zuq PLA.iW I

1. Summary:.

O r ig i n a l R o of .J.re81· 1,747,600 sq. ft . ,

C ur re nt D ama ge : : 1,488, 800 sq. ft . - 85%

To ta l D amag e to D .~ te l 1.4B8,800 sq. ft . - 85%

Q u a l i t y a n d Li mi t at i o ns o f P h ot o s: fai r 24~' c o ve r a g e o n l y

Na r E : ; Ori g i na l r oo f a r ea i s t h at o n fi rst cover-age and ; r i l lbe u s e d u nl ess a dd it io na l r oo f a r c a . h a s b ee n c on st ru ct ed o

Th e c en tra l a nd e xtr eme we st po rti on s o f t he : pl an t\ "le rea lmostc omp le te ly d est ro ye d. . B ui ld in g 1 0 (sh op , m ac hi ni l' l: gM. assembIy )su st ai ne d se ve re st ru c' tu ra ldamage.. B u i l d i n g s 13. 14. 24 . and 25(s ho ps . P , ro b ab l e p re c is io n m ac h in i ng ) ; r er e c o mp le t el y d e st r oy ed , and

b Ui ld in gs 66 and 70 (m ac hi ni ng a nd a sse mb ly) su ff er ed st ru ct ur aldamage and mi no r r oo f d ama ge .

Two st oc k ya rd s (1 30 a n d 1 31 o n a nn ot at ed p ri nt ) \ "l er ed est ro ye do

The ; ror ke rs' qu ar te rs. l oc at ed a lo ng th e Na nd S b ou nd ar ie s o f

t he pl an t a re a, . we re d est ro ye d.

2. Statis tical Swmpa r y of D a m a g e :

a. Damage f.rom f u r r e n t Strike: Square fe e t P e rc e n t ofo f r o of e ri gi na l r oo f arc~

1, 350,600 78

138,200 7

1,488.800 85 %

D est ro ye d o r st ru ct ur al dar~age

SUperficial

1 . , Gu tt ed

2. Mi n o r r oo f da ma ge

b . , To ta l Damage :

3. I te mi zat i o n o f D a mag e : Ta rg a t 2137

D ,iM AC E IN S Q,U AR E FE ETNumber Ro o f a r e a D estr oyed o r P e r c e n t Function of b l d g ,'Bef A 2 S t r u c t u r a l T otal Q 1 : r o o ! C O l ! l l l l e n t2 3;400 3;400 3;400 100 St o ra g e3 4;590 4;590 4~59Q 100 St o ra g e4 - 4,590 4 • 5 9 0 4;590 100 S t o r a g e5 4.590 4;590 4;590 100 St or a g e7 10,200 10,200 10,200 100 Sh op u nd e r c o n-

s truction8 10,200 10~200 10;200 100 Shop'9 48,575 32,384- 32,384 - 64- S ho p, pr ob e bas ic

97.875op e r a t i o n

10 97,875 97,~75 100 Sho p, pro be m3 chining

a nd a ss' y

• Based o n 20t h A.F • C IU D . a. <R ep or t No . ,1 56 .

-50-

CONFIDENTIAL

A RE A IN S qU /U "tE FE ETDestroyed 01 Ferce1'lt FUn c t i o n o f bIde; c o r r e t e n t

~ ~ ~ ~ ~ ~ JSl i ··~ ~ r u ~ c~ t ~ u r ~·~ a ! l~ ~ To ~ t~ n ~ l ~ ~o ~ f ~ ·ro~o~f~~~~966 960 100 Pumphouse

' 7 7 5 ' 7 7 5 100 Unidentified

124,962 124,062 lOa Shop, prob , Precision f<IiJ.chincworl~

NumberRoot' 1l .1·ea

i[t{;!,f A)U..

9601 2

1 . 3' 7 7 5

1 2 4 , 0 6 2>

1 4 1 2 4 , 0 6 21 5 20,11201 6 4 , 2 1 21 7 1 ; 6 7 5111 5;10019 5;10020 4 . ; 3 4 021 4;3402 2 1 . .302,3 - 9 3 124 7 3 , 5 0 0

25 1 0 0 ; 1 3 426 2;6232 7 2 ; 1 ~ 2 32 9 7 ; 3 2 0

3 0 1 , 7 7 031 2 ; 9 6 032 3 4 ; 2 0 03} 5 ; 1 0 0J 4 2 5 ; 1 6 036 7 C , ? 5 03 7 2'5~1603 C l C ; ; 5 2 042 3 0 ; 3 2 443 3 ; 0 7 044 8 , 2 5 04$ 1 ; 0 3 0

4 7 3 ; G O O

4 D 3;600

4 9 1 ; 1 0 05 0 3 ; : 3 3 0

5 1 2,((35

5 2 2 , 8 3 5

5 3 ' c eQ ' :

5 4 1,090

5 5 4 : ; 5 0 0

57 3 , 0 1 0

5 0 3~GIO

5 9 3 ; G I 0

6 0 2 ~ 1 0 0

6 2 7 ; 7 7 0

6 3 7 , 7 70

64 7 ; 7 70

6 5 3 3 , 0 0 0

66 1 7 5 , 9 5 0,

67 1 5 : ; 0 6 0

60 7 ; ( J 7 0

69 1 4 ; 9 3 0

70 1 7 5 , 9 5 0

'1l 4 0 ; 7 10

72 7 , 9 0 0

". 7,90 0

1 2 4 ; 0 6 2 1 2 4 , 0 6 2 1.00

20,120 2 d ; . 1 2 O 1 0 04 , 2 1 2 4.,212 1 00

1 , 6 7 5 1 : , 6 7 5 1 00

5,100 5 ; I C O 1 00

5 i l e O 5 , 1 0 0 1 0 0

4 ; 3 4 0 4 ; 3 4 0 1 0 0

4 : , . 3 4 0 4 , . 3 . 4 0 1 0 0

1 , 5 3 0 1 , 5 . 3 0 1 0 0

' 9 . 3 1 - 9 . 3 1 1 00

7 3 , 5 0 0 7 . 3 , 5 0 0 1 0 0-

IDO;134 1 0 0 , 1 3 4 1 0 0

2 : . 6 2 3 2 ; 6 2 3 1.00

2 ; 6 2 . 3 2 , 6 2 3 1 00

7 , 3 2 0 7 ; 3 2 0 1 0 0

1 , 7 7 0 1 ; 7 7 0 1002 ; 9 6 0 2,960 1 0 0

3 4 , 2 0 0 3 4 ; 2 0 0 1 00

5 ; 1 0 0 5;100 1 0 0

45;:160 2 5 , 1 6 0 1 0 0

7 0 ; 7 5 0 7 0 , 7 5 0 1 0 0

2 5 ; , 1 6 0 2 5 , 1 6 0 1 0 0

l C ; 5 2 0 1 8 ; . 5 2 0 1 0 0

1 0 ; ; 1 9 4 1 0 , 1 9 4 6 0

3 , 8 7 0 3;070 1 0 0

0 , 2 5 0 < 1 ; 2 5 0 1 00

1,0.30 1 : , 0 3 0 1 00

3 ; 6 0 0 3 , 6 0 0 1 00

3 ; 6 0 0 3 , 6 0 0 1 0 D

1 , 1 0 0 1 ; 1 0 01 00

3 ~ 3 3 0 .3,..330 1 0 0

2 ; 0 3 5 2 ; C 3 5 1 0 0

2,835 2 ,C35 1 0 0

' C O 2 . - C O 2 1 0 0

1 , 0 9 0 1 ; 0 9 0 l o a4 ; 5 0 0 4,500 1 0 0

3,010 3,(;10 1 00

3,raO 3 , ( ; 1 0 1 0 0

3;010 3;010 , 1 0 04 , 1 0 0 2,100 1 0 0

7 ; 7 7 0 7 ; 7 7 0 1 0 0

7 ; 7 1 0 7 , 7 7 0 l o a7 ; 7 7 0 7;770 100

3 3 , 0 0 0 3 3 : ; 0 0 0 1 0 01 2 1

t1 5 e l 1 7 5 , 9 5 0 1 0 05 4 . . 0 0 r··0)an r

15;'C60 1 . 5 , 0 6 0 1 0 07 , 0 . 7 0 7 ; 0 7 0 1 0 0

1 4 ; , 9 3 0 1 4 ; 9 3 0 1 0 09 2 . , 5 5 e J 1 7 5 , 9 5 0 1 0 0

( 0 3 , 4 0 0 Minor)2 0 ; 3 0 5 2 0 , 3 0 5 5 07 ; 9 C O 7 ; 9 0 0 1 0 07 , 9 0 0 7 , 9 0 0 1 0 0

CONFIDli!N'l'IAI..:' ,

II "StoraGe f i n i s h e d partsUniderl'tified

"Storage

"H

Garages & !!i/v maintenanceII - II II

Shops, probe 1 1 r e c i s i o n machin-

J.I1g.1 . 1 I I 1 1 "

Water ;mmp & treatmentII !1 n

11

Shop

UnidentifiedII

Sh o pSt o r a G eShop prob. basic operil.t ions

Sho~), probe parts n:f~.Storage - finished parts.

Offices1ie;i.nadnrl.nistraton bldg.

OfficeOffieeUnidentified

StoraceII

StoralJe type bldgs 0

StONge type bldgs.II II II

:;; >~ =:3 ~~ . : : ;

? ~: : = ~~ ~- . . . . .~ .t.r: \i\

.".

\1\ Q

::- III e.!.

II

II

1 1

II

It

II

1 1

- 1 1

II

II

II

II

II

II

StoNze, prob , incominG roU[h

stores ,II II 1111

1 1 1 1

1 1 I I

II

II

11

II

storageII

11· '

Shop:, probe basd.e operr t.icl1 'lShop, probe machining & as';· y.

Storago, finished parts

Shopu.

Shop, probe machining & aeely •.

Shop, prob basic o~1erations

storage11



CONFIDENTIAL

Fu nc tio n o f bl dg ; conmcrrtmber RoofDA H A GE rr~SQU4RE FEET-

..Ref A)A re a D e str oye d o r P e r c e n t

75 S t r u c t u r a l Tota l of' roof

771:.650 1;650 1;650 100

702~015 2;015 2;,015 100

791;330 1i)30 1;330 100

001;.914 1;914 1;,914 100

1 3 22;015

2,.015 2;015100

034;160 4,160 4:,160 100

G O6;500 6;500 6,500 100

8914;640. 14;,640 14:.640 100

9214;640 14.,640 14;640 .100

1:;575 1;575 1,.575 1001 00 3,580 3,.500 3,.,5130 100

101103110

130

131

£1,775 0,7756,475 6,4757,9)0 7,9.30

- - - - - - Destroyed- - - - -

--~----Destroyed-------

(';,7756,4757,9.30

100100100

stor" a g eContractors builclirll;s

tI u

II

"

"u

Shop

stora g eShop, prob , for trniningII 11 II "

StorcgeShOy, prob. roUGhfinishinC

o f c o. st in e; s11 (I1

"11

Stol~ageShop type blcl[;s

Stori1i::;eyard & bldg

Storace yard &bldg

TOTAL : 1,.350,606. 1.,48afOO6

(130, 200 M i no r )

1 0 7 ( 7 , 9 . 3 0 s q . r t . - s h o p ) w a s I D D % destroyedo~: Bldg.

CONFIDENTIAL

::; >.., c

t~z ~ =§ ~ ~

>JoJ

~



TARGET 90.:~5-2137

KAWAN ISH I AIRCRAFT CO.

TAKARADZUKA PLANT

20 AF-MISSION 285

24 JULY '45

DAMAGE ASSESSMENT REPORT 156C.I.U.- 20 AIR FORCE

LEGEN 0

- DESTROYED ORSTRUCTURAL DA AGE

~ - M I N O R D A M A G E

I+~ 'T' if"_"~ ~~-------



! :.IRT III _ SEC TION C _ DAMAGE ASSESSMEm'. OSAK A ARMY ~

Original Root Area; 5.020. 400 square fset •

Currj;lnt Damage, 513.500 square feet or 10.2 percent.

Taxal Damago_Plus Removal to Date! 989,800 square teet or

19.~7 percent.

Most of the damage from this strike is .coneentr'ltea in the

area imrD.eaiate.ly V I- and S ot the liw.in assomblytype buildiog

(145).

lIiJain structuros damaged include sC'aking pits a n a . . steelproceaaingmills,. one large machine shop. t'.;ro assembly type buildings and one hu',go

finisho_d storage building.

2. Statistical SUrmua ry of Darmnage;

a. Drupage from Current StiL""ikQ'Square feet

of :taof226.400

Percent of

original roof ar ea

4 . 5

4.4-1.3

10.,2

Dostroyed

SUperficial

1. Gutted2.• M in or rO _D it' damage

To ta l d am ag e

218;.500

68;600

51.3.500

b. Tetal. Damage or Removal teoDate:

S q u . a r e f e e tof r0oi' area

Percent oforLginll roof area

To_tal damage 9 8 9 . 800

• Eased on 20th A.F.

amD.A, Report No.

154.

<0<0. . . . .

o<0,,-I

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.-t



CONFIDENTIAL- _ . . . . . . . . . . . --_.,;.-----

,

@r ..III _ SECTIQN D _ DAMAGE: ASSESSMENI'. AlCHl 1 I . / e woRKS. EITOKU P L . I . . N T

1. S u m r n e t v · :

Current Damage; 4 . 94 . 100 sq. ft. - 18. 9%

Total D a m a g e to Date: 1,062.460 sq. ft. ~ 4

0

•

6

%NOTE: Good 40" Photos - Complete Coverage

Major buildings damaged by this strike;

2 s ub -a ss em bl y b ui ld in gs severely gutted

1 metal shaping and cutting sMP'damaged

2 large final assembly buildings. )'p:inor da.mage

:suilding (76'- majer and final assembly), pr(),viously_guttoQ:

has' about 11.000 sq. ft.•of' new 1'1.001' ~ no other construction

is noted ..

a. !§mage. from Current Strike:

Sa_uar e feet

of'reo!'

Fercec.t oforiginal roof area

Destroyed

Structural damage$l1pe1'£,i01a1;

l.Glutted2. Minor roof damage,

Total damage

125~40034,800

1 . 5 0 . 9 0 0183,000

4 9 4 , 1 0 0

b.. Total Damage to Date;

4 . 81 . 3

5.87 . 0

1809

4 0 . 6

(Inclosure r Annotated enlArgement SPB.5Ml8-JLI1 34 f oll on s

this section)"

• Baeed on 20thA.F. CIU D.A..Report No. 177.

-62-

;;; >'<

3 ~0-

"Z

". . .

~. ~::;: t "' ... . Q ';.

. . . :~ J

~ U'I'7

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1• ,,summary I

Original Roof .!.rea'· 1•.509.9.5° sq ...ft. (Ref. B)

Current Damage 592 •.500 S'q.ft., - 3'1.3%

I' 615,700 sq. ft. - 40.8%lus Removal

NOTE: Col:lpiete 4.0g, coverage" good qua.li ty

Main bUildill8s damaged;' 1 large final aircraft as'sembly build~ng., 1 sub-assembly' building". 2 shop buildl.llgs.

2.. 8tatist'icalSummary of. Damage I

a,.,il3mage From Curren,t Strike:,

Square f'eot

of' roof

Percent oforiginal roof area

315,000113.200

20.97.5

DastroyedStrl1ctural damage

Superficial:

l~, Gutted

2 . Minor roof' d a m . . .< J . g e

Total damage

105.1005!iI;200

592.500

7 . 03. 939.3

e.

Square fe,et

of roo.of

23.200

Percent of

original roof area

1.5

40.8l'0:tal damage and removal 615.700

(Inclosure: Annotated enlargem.en.t 3PR5Ml98-2: 71 follofl'S this section~.

iii! Baaed on 20th A..F., G . r u D•.\,. Report N o . 165 eo

-65-

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WEIG II'£ D ATA

NUMBE R A IR CRA FT A IR BO RNE

90 88 171 7 4AVG. BASIC WI ' . O F AIRCRAFT 7 4 9 7 5 7 4 9 1 5 7 5 0 3 7 7 4 7 0 6

A V B - U ~ G E U S E F U L L O A D 58960 5 8 6 0 3 6 1 2 4 1 6 1 3 2 2

A V G . NO. OF B OM BS LOA D1 'D 3 . 0 2 - M - 5 6 12 - l\JI·-65 6 . 9 6 - M - - 6 6 6.')5 - M-66

A V G . ! \ fT. O F B O M B S L O A D E D 1 3 1 9 . 3 1.2668 1 4 3 0 1 1 4 2 7 3

A V ~ G E F U E L L O A D E D 6 6 5 2 6 6 5 5 6740 6 7 8 3

AV G. PIT . O F F U E L L O A D E ) ) 3 9 9 1 2 3 9 9 3 0 40.~0 4 0 6 9 8

A V ~ \ G E MI3e. rlliIGHT 5 8 5 5 6 0 0 5 6 5 0 0 6 3 5 1

A V G . G R u S S i'IT. A T T A K E O F F 1 3 3 9 3 5 1 . 1 . 3 5 1 8 1 . 3 6 2 7 8 1 ) 6 0 2 8

- .

ir.ISSIONS 284 - 290

DA'r1; ",4 JuJ.y 1945

fLIGHT DATA & FUEL COISmWTION

iII.3S IO N N UM BE R #288 #289 #290

UlUT 31 3TH WI NG314TH WING

314TH ~i1lG

A IRCRA ..f iT CO l '5 ID ERED 31 63 62.

AV ERh GE FL YI NG TI ME 1);34 1/.:36 14:27

F lJ £I " C ON SI D! .E D ;

Average 582) 6526 6076

Ma.,<il~u;n 6068 6918 6630

Min imum 5536 6J..W 5 5 0 9

P 'U E L R E J',iA II~IG:

Average 767 676 625

(I i j~faXirnum 1 0 5 4 1(120 llbO_.,_.

Minimum 55 2 :307 1 7 0 -

A V G . C A t s . U SE D P I!;R H OU R 4 2 9 . 1 44'7.0 4 2 0 . 5.

TOTA L U SED ON A IR BORN E A le 234920 554380 5 0 6 8 1 5

V IE IGHT DATll

NO . A IR CR AFT A IR BO RNE 4 .l 81 81

AVG. BAmC WT . O f A IflC R Aii'T 7//';;00 7 5 5 5 5 7 5 6 6 2

A V Efu.G E U SE FU L L OI.! : 619 10 5 9 1 6 3 61Sa

A V G . NO. O F BOlilB S L Oj,D ED 2 9 · 9 - M - 6 4 2.07 - M-56 2 8 . 9 7 - ; , 1 - 6 4

A V G . l,'f. O F B O M B S L O A D E D 1 5 9 8 5 9032 1 5 4 9 9

A V E R A G E FU EL L OA DED 6590 7 2 : : ' 1 6699

AVO . ' I ' u ' T . O F FI:JEL LO ALE D 3 9 5 4 0 4 3 2 6 6 4 0 1 9 4

A V E R! .G E i IlI3 C. H U GH T 6 . 3 8 5 6 B 6 5 6 1 2 8

A V G . GItOSs VIT . AT TAKE OFF 1)0810 131;718 1 . 3 7 4 1 ) 3

Boob 17aights: iii-56 - 4355 Lbs,

M - 6 6 - 2 0 5 5 l b s .

M-65 (Comp B) - 1070 1bs.M-(;5 (TN'l') - 1040 Lbs ,M -4 7A ~ (S mo ke )- 1 25 1bs.M - 6 4 - 5 3 5 1bs.

-~ .l: J:c . - \II J

6 : - .- - - .,.

e



F

XX I BOMBER pOMMAND FIELD ORDER.

Missions No .. 284. 285. 286

287. 288. 289 and 29 0

24 July 1945

SECRETl~1:l.~h: CG,Twant:ip y p 1\ i:r Force

Initials: ~-:...'e.De.:t.e: 2) ·July 191+5

FIE ID ORDERS )TI~JF.NTIEl 'H xm FORCE

G U A M23 July 19M - 1700K

NUMB:!R 5 )

Maps: Jrtpaa JYvi-nton Chart 1:218, MO.

1 . n. Omitted.

b. (1) No chanr<o.

(2) Iwo Jim' : ! ' based P-51 '5 will strnfe :;roundinata11ationa in

tar::ct area o .t 1000K, nOOK, end. 1200K on 24 July.

2. Twentieth Air Forco attacks tllr;:cts 90.25 - 2l37. 90.25 - 263l'l,90.2$ _ 382, 90.20 - 1729, 90.24 -2224, 90.20- 2140/1141, and90.20 _ 1635 with m').ximumeffort of 15 }roups om24 July 1945.

(I) I'rimnry visuill t.\1.rgcts:

T A R G _ ; ; ; T~FO RC E R EQ UIR ED

2 Groups(a) 2137

(b) 263A

017317

039082 2 Groups

MYIRef'cronC(lS: XXI 'BomComLithowMosaic

(a ) T!.K/lRllZUKll. f~REA No . 90.25 -2137, KlCWJHSHI

(b) O S I'.K 1I.i lREi . 90.25 - Urban.

(a) Force on tar~c:t (a): City of KllWl\NA.

(b) Force on tarp.et (b): Se-ll¥'lD.S primnry visuel.

(3) Second.:u-y visual tar,~ets:

(a) Fm'ce on tar::et ( n,) ~ 90.20 - 1002.

(b) Force ontnr~~,:;t (b): None.

(4) Route:

Base

lssembly Zone I3320M - 13340E (RGasscmb ly Area)

3400300 - 1343$E (Departure Point)34163QN- 1345T30E (IF)

(~) Target (2137)

3455N - 1352BE3507N - 13557EIw o Jiroa

Ba~e.

(b) Targot (263A)

3455N - 1352GEJ407N - 13615EI w o J i m aBaso.

(5) ,Altitudes:

(a) »:U-out. e te tarr,ot. ~ J~000 - J,sao ft. and B,000 -

a . B O O ft..

-s : ». ,~.

? !.:;: . . . .

!"'I::: ':it , . . .

- .cr:-

' " ;;'"J::

< : . . . . . J

U\

. . , .

.~ ~ -' 1 ; '

. . . .. . .~

P.O. #'j

(b) Atteck:- Force (a) - 18,000 ft.-j Forco (b)- 19~OOOft.

(6) Bomb Load.:

C a . ) Forca (a) r 1000 Ib GPs to maximum supplemented by ;00

Ib GFs.as desired.

(b) Forca(b): 4000.1bLC!il.

(7) Bomb Fuzing:

(a) Force (n).: 1/100 0050, non-defay ta il. Intcrv~,lomctc;r

scttine - minimum.

(b) Force (0): Instantaneous nose, non-delay t<'1il.

(8) Time Control:

k) Force (il); Passes dep!':rturo point £l-t D-Hour plus 14

minutos.

(b) Force (D): Passes depc.rture p0int at D-Hour plus 32

minutes.

b. 73rd V'ine:

(1) 90 .25 - ;392 , O SAKA A RM Y A RSEN iJ .

FORGE R ,EQT,il REDP l

1 2 1 1 0 6118112

3 Groups1Group

1&'1 Reference~ XXI BomE:OlllLitho-Mosaic OSAKAARE.~, tarcst

90.25 - Urban•.

(2)

(3 )

Pri..".-;.ry r&d;,.rtar:;·~t: Oity of KlJ I~ANA.

Secondary visual ter;1;ct; 90.20 - 1815.

(4) R o ut. e .:

Base

A s s e m b l y Z o n e I

3315N - 13L;25E335Cll - 13445E3416N - 13504ETarGet

344lN - 13545E3407N - 1361SE1w o JimaBase.

(ileassembly J~r~."')

(Uep<" t r tU r 'G Point)(IF)

(5) Altitudes'

(a) Jihroute to tar!]ot..: 5,000 -5,000 ft. and 9,000 -9,aoo ft•.

(b) Attack: 20,000 ft.

Bomb w.dI 2000 lb GPs.

B o J R b Fuzing. 1/40 nose, l/40 tail.

!INCont:.roll Pass departure point at D..Hourplus 14minutos.



F.O, lIS

e. J13th !.,int!::

(1) Pr-dmaryv:i.rua1 t,'II' ao t s:. 90.20 -1729 A IC HI A rn C.R J~FT "/OP.KS,

and 90.24 - 2224 T SU N/.VAL AIRCRJ.FT F; 'CTOl ' lY

TARGET

(a) 1729

(b) 2224

111"1

033063

040058

2 Groups

1 GrQI.\p

FORCEnz'1Unun

MI'I ReforonC8tl: XXI BomCQJI!.Litho-Mosaics

(a) NAGOY" MI.:!:.!!.90.20 ... 194.

(b) TSU :~RtJ'. 90.24 - 2224.

(2) Prim:,ry radar tar,:':cts:

(n) Force « ( . I ) : Sameas prim:'ry visual.

(b) Force (b): City of TSU.

(3) Seconoe.ry visu~l tarcets: Not. specified.

(4) Route:

Base

Assembly Zone 1

3330N - 13515E (Reassomb1y Area)

(a) 3458N - 13555E (D r)3509N - 13606E ( IP)Tar, - ; ;ot

3438N - 13717E11'1'0 ; ; r i m ; ! ) .

B n s e .

(b) 3 J + 0 7 N - 1361gB (DF and I?)Tar-;etR i ; ht ' l ' \ ; , r nlwo JimC'.

Base.

( 5 ) A l t i t u d e s :

(a) boute to tnrgct: 5,000 - 5,000 ft.and 9,000 -9,800 ft.

(b) Attack: Force (n) - 20,000 ft..; Force (b) - 15,000 ft.

(6) Bomb Lo['.(':

(a) Force (c.):

(b) F o r c e (b) :

(7) Bomb Fuzif4:;:

(a) Force (0.):

(b) Force (b) :

(S) T im e C o n t r o l :

(e) Force ( t L ) :

minutos.

(b) F o r c e (~)l

minutos.

2,000 Ib GPs.

500 Ib GI's.

1/100 nose, ncn-dulay tail.

1/100 nos!.:, non-delny t,oil.

Passos departure point at D-Hour plus 8

Passes departuro point at D-Hour plus 12



F.O. If 5

d. 314th WintP

(1) Primary v iEUr;>_ltarg at s : 90. 20 _- 2140/1141 •. FUJI TEXTTI .J i : LUll.(c onvcrtedto A/C) I 9Q.20·- 1635. NAKAJIMIl JuRCFU,FT co.

M J ' I

105074OG30 (12

027121023112

4 Sqdns2 8qdns

(a.) 2}40/1141

F ORG E R E QY lI m:o

1Group1GrP1lp

(b) 1635

MPI Reforcncos: XXI BornCom Litho-Mosaics

(a) N A G O Y f, N C i " l . T I i No. 90.20 - 2:U~O.

(b) HlIlIDAARE~No. 90.20·- 1635.

( D . ) Farce (a): City of T8U.

(b) Farce (b)-: S3fll!3as prlinary v:isu~.

(3) Secorrinry visual tar:,;(,t 5:

(8) Forco (a): 90.21 - 1653.

(4 ) Route.:

Base

AsseniJly Zono I

33400 - 1J·615E (Reassembly Area)

(a) 3458N- 1355% (DP)

.3 509N- 13606E (II')

Tarc,;ct.3523M - 13710E3439N - 13003E1M Jima

Base.

(b ) 3 4 0 7 N - 13618E (DP)3 4 35 3 0 N - 13639E (rr)

T a r g e tR i -:h t Turntwo Ji.ma

Base,

(5) Alti tudes:

(a) &route to tareet: 7,000 - 7,000 ft. and 11,000 -11,000 ft,

(b) Attack: Farce (a) - 19,000 ft.; Force (b) 15,000 ft.

(6) Bomb Loed:

(a) For co (a) :

(b) Force (b);

(7) Bomb Fuzing I

(a) Foree (a):

(b) Force (b):

4,000 1b Lea.

500 Ib Gl's.

Inet.'l.rrt.anCCUB nose, non-delay tail.

1/40 nose, non-delay- tl".i1.

F . ..O • . # 5

(8) Ti.r!lc Gont rol :

en) For-ce (a) : Passes departuro point i!t D-Ho1.l l?"

(b) ForcG! (b) : Passes dep.'U't,urc point at D-Hour pl1,J.5 24 minutes.

x, (1) Crewswill be briefed not to fly ovcrnnva1 vesselaCIU'OutB.

(3)

If middle cloud is more th:'l1 prcdictedMd will interfore with

bombinc' units on tar-'()ts 26]A, 3i32, l729, and 2140 will 'lttempt

to stay'below middle cloud, bltWill not attack lower th an

16,000 ft.

D-Hour is 241100K.

4. Tactical Mission, Numbers:

213726.34.3822224

17292140/1141

1635

2842852 B 6287238289

290

5. 11. (1) 'I'w'en,tieth. Air ForGe"~I and SOPfor strike repGI'ts, .corrt.aet,

reports <lnd:IFF pnccedur ee,

(2) Ec:ch fUe:.ht squadre n win be equipped to be.rr?r;c jrml the

recio~ 190-210 mC'33cyc1es.

(3) Observ!l.tions of the extent and rGli<ibility of the barr~'Ge

.rill be m('.do,milo over th0 targot.

(4) Spot janmrin(i will be eonduc ted· o:ver the tpequoncy rant!os

180-190 and 210-220 m8i;<l.c-yc!CS, as desired by t.he Win.".

Comrn.-?ndin"General and as ,::ov;erned by the eapllcity of each

l'iiflb •

(5) Jammers will 1\0 kept in operat Ion at nll times when cLos er

th2.n 50 miles to the lI18.inl3fld and will be turned off <It "!:ll

other tiJljf;S, except for preflight ard post.fll.r";ht froquancy

checks) i¥hich nrc to b emade o n the ground Vihilo the jaJ!lMlrs

are instdlcd in the airplanes.

o. Comm':':ndPost: Hq" 'fi\'Gntieth Air Fer ce, GUAM.

BY CmOOtND OF p , , ' : i . J O R GENER ;" L L eMAY :

.~ . " 1 K I SSN ER

Bri::-;adic;r Goner;u., USA

Chief of St1lff

O F F I C I A L :

.)//.3//1 c.'·/-:·~nl[~."

JJOHN B MONTGOli;']U r :Colonel, G~~S.C. ~

D:C/S, Opor""tions

SECRE l '

AMENDMENT NO., 1

F.IELD O JlD ER ~O . 5)

Ch an ge P ara . J a (1) (a) t o rea .d ~

J. a. (1) _uRGET

(a) 2137

SECRETJluth: ee l , T\~entJi..,th Air Fore<lInitinls: f(/)/Y

Dat,\) :' 23 J-ul:v 19J..~

Tl 'IEN"TI ETH /l . I P F()PC l'~

GUAH23 July 191.5 - 18()OK

M P I

0171.:37

FO !U1E f lF ,C I U IBED

2 Sroups

B Y C OM MA ND D F M AJDR G ENE RA L Le MA Y:

2 COJ 58 th Bomb \,"fing2 on, 7 3 r c l . B o m b I'!ing

2 - CG -, 3Ut!'. B om b V iin g

2 - OG, J14 th Bomb ytinr:2 - CGJ 31 5 th Bomb 1Ping1 - CG, VII Fighter COiooand

1. - C O , 3 r d P h o t o R . e c o n S q u a d r o n6 - A-3 Tactics, Twentieth Air }i'oroe

2 - .33rd SOU,Ttlentieth Air Feree1 - C O I i l l l l u n i e a t i o n s , Twentieth Air Force

1 - DAS, T W e n t i e t h A i r F o r c e

2 . - e n } . , Twenti8th Air For-ce1 - A-2 Reporting, TW<lntietirl Air Fo!l"CC

4 - A - 2 , T w e n t i e t h A i r Force

O F F I C I A L :

/ . . < , < . - l t., ,_,.,.,.,! . · i - , - 0..,. d : c~ . ·

. {_ l jl . .. . . J B ! ' 1 G N T G O M "L R Y

. . Golonel, G. S. G.

D O/S" Operations

DISTRIB t IT IOl i :

A l' K ISSUER

FJrigndiffl' G~nc,ra1, USAChief of ;;;tat'f



ANNEX

G

D 1 3TH IaU TI O N

287. 288. 289 and 220

24 July 1945

Mis&ions No. 284. 285\ 286.

Copy No .

1

2

34 - , . . 56

78

910

11

1 2

131 4 -1 5I b1718

1920'21

22

23- 24 -2 52 6 - 2 728

29 - 33

34

J5

3 6

37

38 - 67

6 8 - 6 9

70

7 17273747 57 6

77i879 - e o

DISTRIBUTION

'UcrI CAL MI._§§.ION REI'ORT

Commanding General; A r r n t Y .Air ForcesCoromending General; U. S. Army Btre tegi c Air Forces (Reat')

Commandug General, U.S. ilrl'V Strat egi c Air F=cea (Gua.ll)

Chief of Staff, U.S. Arlr \Y Strategic ·.l.ir Forces «(}<lan)

GOIllill.aOdingGeneral; 'I\le,nti.ath ).ir ForeeCommanding General; Eiell th Air Force· (Okinawa)

CotQllland.ar in Gllief. U. s. Arrru for ce s, Pacif ie

Chief of fuval Operations, Ol'-16-vCommander in Chief; Pacific Flaet (M.V Hq)

Commander io Chia.f,· Pacific Fleet (Rear Hq)

Commander 'Ai r Force, Pacif ic Fleet

GO!l!lllanier; Third Fleet

Commander; Fifth FleetCoannander; First Carrier Task Force

Com.tnander, Mari anasCommandl13 General; U,S. ;'\rroy Farces, 'r,1idd Ie Pac iric

COlll)ltandingGeneral; Allied ,Air F'orce·s, SI~TPA

Go;nmandirig General; Far East i,ir ForcesC o m r ru " : H

ding General;, U•.6.Stxateg:ie

.tir Forces inEUrope

Command.ng General ~ M e o . . i terranean ..ilied Air Fore'e 5

Cormaandil}3 General; Fifteenth Air Force

Commanding General;. Seventh Air Force

Commalldng General; VII Bomber CommandC0ll3lnaniing Geaer'il ~ V I I Fighter G c r . .m n a . nd .

CommandingGeneral; Eleventh Air Fo~ce

COID!OD.nding·eneral, JOIst Figi':rber WingC0trmand Hg_, Allied )dr Forces, S',:IR,A'

ATTN: SCnior Intell:j.a;eno.e Officer,' R••\ ••.I....F.

Commander in 01 '1ief. U . S . lIrllly Force.'J. Pacif ie

)J'TN: G-.2 (For SeetiQU 22. ROM)

Officer in Char1}3, Joint Intelligence Center

Pacific Ocean Areas

Cormnandpg Ganera1.,\rmy Air Forces

A'l!TN: kC/AB IntelligencaCOnmanding General. itr;rry Air l!'Qrces. \TTl' ! ; A C / . J . . B , Intelligence, Collection, ::JivisioDCommanding General. U.S. ~lrmy Strategic Air Forces (G"J.~=J)

ATl'N: I:ntelligenceColnlnmding General, U.S. Army Strat.egic Air Forces C:ham)

~~rN: Co~,unicationsFOR; Counter MeastU'ea "\ir Analysis CeaterColllI!lanaing Oi'ficet, Twentieth ;\ir Force Lead Cr.,'.' 8c]}I)(..1

Brigadier General, HeSo Hansell, J r .Chief of Staff. Tvfentieth .Air Force

Deputy CiS, lDpas. Twentieth ,Air Force

AC of S, A-2, Twentieth Air ForceChemical Warfare' Officer, 'l\"7entiath .'Lir Force

Ordnance Officer, ':Nmntieth Air FOrce

Director of Tactics. A-3. Twentieth ,'.ir ForceHistorical Officer. Tvlsntieth Air Force

818283

8 4 -8 58 68 788

8 9

90

91< : j 2 .

939 4 -

9 59 697

9899

1 00

101

102

103

104-

105l a b1 07

108

1091101 1 1112

1 1 . s114-115116117 - 130

Comma.odin" General: 58th Bombardment -.'IingOotmnalding General; 73rd Bombardroent ';IingCommanding General; 313th Bonibardment ',hag

COl1l!1l8nding General; 314th Bombardment ',110..

OOl)lll1apding General; .315th Bombardment rJingCommanding Offioer; 3rd Photo Reoonnaissa.nce Sq

Conman-ding Officer; 41st Photo Reconnaissance SqCommarrling Officer, 55th Reconnaissance Sq, !.one; R~1,[1.3e,

·.leatherCommanding Officer, Twentieth Air Force Combat Staaing

C e n t a 1 . ' "(Provisional)C o m m a n d i n g Officer; 33rd Statistic:!.l C o n t r o l Unit

Cormnanding Officer; 6th Bomb G-roup (VH)

Command ing Ofr ieer; 9th Bomb Group (VH)Commanding Officer; 16th Bomb Group ()Ill)

Commanding Offioer; 19th Bomb Group (VH)

Gol ' l l ln. ""nding OUicer; 29th Bomb Gr0\l.p (VB)

C=ndina Officer; 39th Bomb Group (VB:)ColllID8nding Officer', ~.ot-h Bomb GTOUP (Vn)GotnmandiOQ;Officer; 33\')th Uomb GroUP (VH)

GollllilBnding Officer; 33181; Bomb Group (VH)Command i ng Officer; 441J;th Bomb G ro up (V H)

Cor.unandi.ng Officer; 462nd Bomb Group (va)COlllDwnding OfficElr; 1_j:b8thBomb GToup (VB )Coomanding Officer; 497thBQI:lD Grou'p (VB)

Commandi.ag Officer; 498th Bomb Group (VB)

Commanding Offieer; 499th Bomb Group (VK)

Commanding Cffi.cer·, 500th Bomb Group (VH)

COl l l I !W.nd ing Offi cer; 50 1st Bo o b Gr@up ( VH )

Command iog. Off icer; 502 n O . Bomb 'Group (YH)

Commanding Qffi,cer; _504th Bomb (}roup (VH)

COIllijl8_ndi ng Offieer i_50_5th Bomb GrOUl-l (VB)

COll)l'! l8.DdiDg Officer; ,509th Com:posi te Group

Commanding Officer; 15th F).ghter Grbup (VIR)

C omma n d il il B O f f ic er ; 21st Fighter Group ( VL lR )

Commanding Officer.; 414th ;H'igl'lter Group (VLR}

CommaBd i n g Offic'9!',' _506th ;Fighter Group ( V LR )

Reporting Unit; A-2; T < i l e I , ' J . t ieth A i l 1 Force (File Go,py)

Reporting Unit • .%-2, Twentieth Air ~'orce



TA RG ET 9O .2S -21 37

KAWAN ISH I A IRCRAFT CO .

TAKARADZUKA PLANT

20 AF-M ISS ION 285

24 JUly'4e

DMt_ A SS ES SM EN T R EP OR T 1 56CI U -20 AIR FORCE



- ~-~ ...... ·'ot:)t

• ,S t r u c1 tr a1 D aorOestroyed

C ! S J G u f t e d

~ M r n o r R o o f D aa m O ld D amag e



.J

' "~

~Iz ~oQ ,.,

~I

21st bomber command tactical mission report 284, 290

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