21st bomber command tactical mission report 257 and 261, ocr

8/6/2019 21st Bomber Command Tactical Mission Report 257 and 261, Ocr

1/81

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2/81

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Mbsion 256 Q m i n b g operaUClII.tha t v i l l be reportOd. in a H p a r a ~Tactcieal MisaioD Report wbieb n e e l. . . .only l imited dia\ r lbuUoa.


3/81

14151&181920222728

lati..s.siona !'b. 257 through 261

Pogo.J!lla 1

~ R l lH E . > D ~ U .FI'I'ERSXXI BOMBER Ca.t&:Jm.ro 2)4

~ e Q t h e r . Part I lioot1lDr Swa:oaty P3.rt I I .. J 'orecoat Joathor va.Obscrnd :laatbar

AnooX ,\. - O})orl1tions fur t I .. lbvignt ion Ch;o,rt. h r t I I .. Ba:lbicg. fur t I I I - l&:lnn Points ot Impnct . Part IV - Fl igh t &l&lnoering Ch:u1; far t V - Radar Part VI - R a d ~ Scopo Fhotoa Fart VII - Gunnery Part VIII - ..u.r...5eo Rescue Chart

Targots on tho lalallll or Honahu.lapan

TAmE OF CONI'ENrS9/10 July 1910

Field Grder No. rn

Tactical Narrative


4/81

11 , tlll"1 l 1 l l U . :

By .'lutb.. o f ,bel c.G IXXI Bcmbor CcrlIa-.JI4. \l l l . ! l ! ! l l . I I 9 July 45

I Date111111lOr, .1D.ltii1le

,

m : . U l Q l J ~XXI BOMBAR Ccu.L,JIDAPO 234

SCi3J.2.CT1

'1'0 :Report ot .\.ttacks on 4 Urban .\reaa and 1 Oil Retineryon the Island of Honshl.l. on 9/10 JUly 1945.. .Commanding General, Twentieth j i r Force, ~ a s h i n g t o n 25. D.C.IOENl'IFIC...TION 01 illSSIONS.

a . Field Order 1\1mber 97. 1ieadqu!rters XXI Ba:lber C c - m a M~ e 8 July ~ 9 4 5 , directed the 58th, 7Jrd. 313ih, 31.4th and. '15th ardme:lt rhngs to attac k 4 urban and 1 iDdustr ial targets 00 Hon-sbu in Mi4sions N.1o:Dber 257 t hrough 261 ,b. Targe ts Spec it ie :1 .

(1) Prigary V i m l and Radar Tarr e h :T!u'get

56th73t'd313'h314tht

SeMili Urban ~ e Sakai Urban .reaWtIl1teyatDa Urban .4reaGitu Urban .kea

257256259260

Mission


5/81

war planhi ot Sakai are iJlU>Ortant a s pos sib le dispersal pointe.(3) Mission Ulmber 259l Wakl!am& i s 8. city ot 195,000POpulation tha t ia no'il' probably integrated with the 1apanese war

econOllV. I t haa 3 nen plants, including probablo heayY ordnance andChemical.... l 7 ~ a m a i s ' also a j unct ion po in t ot ateaza. and eleetr iora i l road l inea to Osaka, to ci t ies or the south, and inland,(4) l.H.a;ioBl Number 260 J Gitu i s tb.e a i te ot 10 larget ex t i le mills reported to be converted to making component pert . torthe Kagamie:ahara ai rcraf t plants 5 t:Li.les to ' the south. GUu alsoprobably houses a good percentage ot the 25,000 employees at these

plant . , The buil t-up areA oetneen the rai l road yards north to theN a ~ a River is congested, gi th a population deDaity at a p p r a x ~ t e 1 Y50.000 per square mile. Destruction ot the city would have the t r ip leef tec t of destroying or damaging a i rc ra f t component parts pleDt. , de'"bOUSiot large numbers at ~ l o y e e s a t the important KAgm:dgaharePlants , and disrupt ing mainline t ransportat ion t ac i l i t i e s .

(5 ) MissiOn N.unber 261: The Utsube River Oil Refinery;orig inal ly on a par with o i l production centers a t Tokuyama and Otabe,n o ranks as the lead ing ce nter of aviat ion ~ s o l i n e production inJapan proper. I ts ins ta l l a t ions include t a c i l i t iea fa r synthetic o ilref in ing (estimated to be 37 per cent ot the to ta l Jllpanese synthetioprOduction), natura l o il ref in ing (output not known). PE'oduction ofte tro-eth,yl l ead ( es tima ted to be 25 per cent or the lspaDese ,o ta l )and e z t e ~ i Y e o il s to raga .

c . Detgi ls o( PloMing-=QPerati9no1.J(1) Bs:gbiM EJ.aM:

(0) Determination of Bcmb Load:


6/81

g. Sakai Urban 4 r e a ~ - M l s ' i o n Number 258,.!.. Four Groupe of the 73rd "7ing ..,.ere to

attack this target , 2 Gt'oups carrying M47 incendiary bomba and 2Groups carrying clusters n th Mb9 banbs. '1'IJelve aircraf t were delt-ignated a.s pathf inders to precede the main force and \78r. to carryM41 i l : l < ~ o D d i a r y boobs.b . CoMiderationa and roasons tor munitionselect ions. and r u z i ~ we;e the same as those l isted tor the SandalU:ban area at tack . Y19 1s nere also used because the city :1atl not a .h1ghly industrial ized as others .~ Intervalo::leter Sett ings: InteM'alometerset t ings of 100 teet for the ld41 incendi3ry bocbs and 50 f e e ~ to r th eM69 clus ters were selected to achieve an adequate density of ~ ~ o x imately 225 tons per square mi19 on the tareet area

.!_ Three Groups ot 'the 31)th f ing werescheduled to a ttack this target_ One Group :las to carry 1&47 incend-iary bombs and 2 Groups nere to carry Ml.7 incendiary clWltera. Them in force ':las to be preceded by 12 pa thf inder s ca rry ina M47 1nend-iary boobs. Considerat ions and reasons for munition aelectioDa,Cuziogs and intervelometer se t t ings were the s a ~ e as those listedtor the Sendei ur::>an area a t t & c ~

~ Gifu Urban ; ~ e a - - ~ s s i o n N4aber 260,~ 'Your Groups of the 314th 'f1n& ' f t I I ' .

directed to attack th is t a rge t , 2 Groups carrying 1441 incel:l41ar,'


7/81

J U ~ . B " I

A. Part , I I I .>.1. KlnlonJ! Rum'OeT 257, 258, 259 .ad. 260 _re

planned in ~ h . ..8 tMJUlU a ' other n1&bt l n c o n d l ~ . t r l k . ' or "be ' I I IBOlllber Collllland. The choice or the axe. of at tack and. a l t i t.... 4R -eMn1ned by the best radar appro&chea and al t i tudes to r l'a4ar b a . b l q . rthese part lcular t a r ~ t

J, . l l1edon NWl lbe t 261 . . . . p l to MftD.-t of the co . s t a l features or Nagoya Bay on whicb tbe t.u-set ... 100".'Thi3 aa.4e an excel lent aroa fo r ra.dllJ" na't'1l!O&tlon aa4 \&.1',8" i4eDt.itl6. .t l .Bombll1& alt i , twi , u.' of .." . c k , u d lAbel'

pert inent data were . .. rolloWl1.L 58th "'l'lns (a. terence XU ! l - ' tw C '"

L1tho. l :oule, Sendal 90,10 OrbaD)f.1Utud,': 10,000 - 10,800 root

IOU1al PolAt.: 31481 .. U0SSl30&141M Point pC W'9 t t osnuL tK th or 8wp :1 ) mU


8/81

klt1tud.1 15,000 - 16,000 t ee t

Lepcth or Runl 3& 11I11. .Tim. or Ryp: 8 lI1nutlll, 45 8econda~ Group_

a l t i t ude : 15,000 - 15,800 fe . t&11. of httopkl 63 d . ~ r e e . trueIn l t ia l Point : ~ 2 0 1 l - 1360sEl.'e,o Point of I!!!D&9t: 061062Length of Ry.Q: ~ I I l . l lut im. or RIrlPI 8 aiDDte., 40 a'con4a~ 4 Group.

S. 315th t"ln (Referenc. XXI . -"1 ' -: . .L1tho-aoea.1C, Yokke..1ch1. Uteube R!ftr on RIIthery, t a r p t Ia . eo.1D 1660)


9/81

( b '

l ! 9 . ! l I ISaiki Ur'bM / .rea - Minion f t _ b t l 2111'

Bue to lwo Jim ..to333lH _ 13346E

to341gH _ 1 3 ~ 4 1 3 0 E

toTa.rgettoIwg JIJlul.toBu.

Tactical DoctrlfteLandta.ll vms to 'be .. jU.tUDfi point ofland e u t or Koehl an4 .aklDl ..lao" ..atl"a1p.t I'ou\o lnto the tarpt 1ohroup.the lnlt1e.l pOint.The 1nl t i e . } p o l o t wall IIJl e U l l y 1 . 0 . -t l f l e d pOInt on the . .. t elde of Qw&jlShima flloJdng the beat a.pproub to t _target .J,. r l ~ h t turn wu dedp l l ud a t t e rh i tt1,,& the te..rrt.Tactical Doctrine

(e ) WMfOOlJD,l UnbM Meg. - 1:1 ..10p .. ' " 2S! IBa.. to lwo Jlmato331530N _ 13410 T g e t l e ~ 1 Ooet!!n.The easily Identirted 'outbBrft 1;1, atShikoku wna selectod &1 laDdtall.101t191 point waa to b. !eotOD J ~ o.n easl ly ldentit1ed l d u d . orr Ultwestern OOD.lt or SbtkaCQ.


10/81

B u e tolwo Jime.t o3 ~ 3 4 3 0 N _ l370lE

t oTo.rgett o

Iwo Jill l l lt o....

T a o t i c ~ l DoctrinoThe in1 t i n l Point W{L8 to be Irako Sukl,easily i d e n t i f i e d point on the entrance toNa.goyD. BllY. which w u to be u'ull for lo.nclf a l l dnd i n i t i a l ~ o i n t .;.. l e t t turn W'Il.I . p e c i f i e d a f t e r the at tackto uvoid flak areus.Taoticnl Doctrine

(3) FliCht Engineeriall

~ O D b i n g TUnS endfuel economy o.nd(0.) E l i c h t Plnnl Altitl ldes and speeds. oxcep t t o r

compression of s t r l k l n ~ forces 11'0,... to be t o r mubuasafety. No ~ s e ~ b l 1 e s we10 to be et teoted.

Fuel reser.e data lndlcnted that the 7Srd,3l3th, 3Uth llnd 3lSth l l f l n ~ a would require no bomb ba.y tanka t o r a tot:A1fuel load of approximately 6600 g ~ l l o n 9 . thQ 58th ~ D wna to carry 1bomb bo.y tank.! . 50 IIllUd.mWD or mil11c.um loads were apec1tlri.


11/81

Aid! .ILl< I(c) The be l t approacb to \7u ..y. . . . 1. fr_ t.be ...t:or southeut. . Baavy mou.nta.1n .hadow. p " " n t the loll. or an 1111 t h lpoin t in the east . rn ne t ion . By ua11ll the lou the..t. t ip at Sh1kokQ

na .. dep.rture point. a i rc ra f t have .. I tra.1ght cour into t.be tare- t . .The 1n1th1 point . Benton-Jima. 18 ...Uy i denUthd . The tu se t: 1 .t d r l y large and ~ TOe Bn exce l len t radar re turn . ;.. . . . .11 perdldulae" tow mile . louthefL3t of tho c i ty . 11 .. ~ o ot ru t . check polbt whichcould be ua.d to ki l l dr i f t and eourae into th o cente? ot the ci ty .

(4) Gllu givea the belt radar return at an altttQ4.~ 12.000 feet . ThO but i n l t1a l pointe :1" rrOCl ...' I t e r ly .ec tor .I. downwind run from the _at would el1miru:to tho danrra a.tIll bCllblq' r rors Oo.ud by th e h.at thermall. The amo.II hi l l . OD aoTtho..tt ip o f the c i ty give some return &n4 ahad,OWt but. with cuo ru l 'W7.Operatora could d l a t l n ~ u l s h between the 2 r e t ~ r n s . The altitude ..." iNd ' to 15.000 f eo ' to porc i t good' r n d ~ 8)"IlCbrOlllOUa bOlllb1DB tobe GCCCl:I.pl1,shc4..

(o) The U t s ~ b e River on lIot1nery Is locate4 on 'tI.-~ o Q , $ t ot NaCOYo. Bo.y on 0. promontory a o ~ t h or Yokk&1Ch!. Pr. u.o pe. . .1 N 1 ~ 1 1 l lnlt1o.l po1nt the a.pproa.ch to tho t uge t wu to 'be rr. _aUrto lo.nd. _hlch w o ~ l c 1 gl ve the bost re turn . L goOll cMck to r c _ r ' I rU to be a . l o ~ tho coo..t ot Ch1to. Ranta p - l \ 1 t u 1 ~ l . ~ e VWual aM'royohama.

(5) i>M'"(0.) Four epochJ, j a a m l ~ a . l r p l ~ . wen to 'be ....

fo r the ,,;tta.ck OD So.kai beco.lUlo of the h ten nail: 1n ~ .,.eo,.Those planes . o to o rb i t th e p oin t '43lH .. 13SME with II. lQ..a1ler l L C 1 1 ~ . ll t altttu.4e. o f l4.,000 to 1'7,000 foet. 1b1l "W 4 UIll 1'0-110


12/81

l . Four 8urfkce cra f t were to be . t a t looedduring tho ont1ro mlll8iona a t 2S30N 13910E. a t 2800R _ 1412OE, . "2630N .. 14030. and ~ 1600H - 1443OE,

~ Thir teen Dumbo. wers aU1&Md to the to1low1nspoints a t the timea indlco.ted to remain on I tn t ions unt i l a l l s t r ikeI l t rcraf t pQ.Ssed on the re turn route : ..1. 352011 .. 1&110E tr . 0915201...1. 3000N ... 1412SE from 091700Z. at. 3200n - 13855E troa 0915251. 1. 30001113935 frOlll 0916OSZ. 0.1. 3130N - 13720E froll!. 0914.35%. at . 30001 _ 136153from OSHSOOZ. n t 3300U - 14o}30E frClll 091600%. nt. 2830R _ IS laS f rca091S35Z, 0.1. 2800N - 1412.0 from 0917401. .:lot 2630H 140)OE h o . 09181SZ.0.1. 2000N .. 14330 frOlli 0916301.. 0.1. 1800:1 ... 1M30E trom 091930'Z.. all4 a:t1600N _ 14520 fram 09l945Z.

(b) ~ This COlrlrLQnd Q . s s i ~ n e d S Super_Qu:nbOl to t.Mfol lowing points a t the t imos lndlented to remnln on . t s t l o ~ unti l a l ls t r ike a l r e rn f t pnaaed on tho ro tu rn routo: ::1.1. 3 ~ 1 f _ nelSE t rca091445Z, a t 3300N - 136258 from. 09HOO!, a t 3300. . . . }362$ !rCG Cl4OQ&0.1. 3810N - 14110 frOll 09l4t.SZ, ::l.J\d 0.1. 38101 ... 14110B trom OVUtSz.

d, Ootn11 of Plo.nn1nc .. Iptell1conce I(1) Eneay Fighter Oppo.ition:

(a.) Send:u (mu ton Humber 257) I I t wu tSaILta4 tato.pprox1mately IS o..1rerca.ft would be o.1rborl\O. probllbly ortedQC no oppOl i t ion ,

(b)20-25 enemy fightera

Saka.i ( ~ s s i o n Numb]r 258). I t \elieYed tbatw o ~ l d furnish n e g l l ~ b l 0 oppoal t lon to tbU 111_1.


13/81

.!'o Mia ot J.,ttp,ck ,M IJ 1;1 1ju4' I :.n approachfrom Ur. "ti t_southWest wns planned. Thll wo.a an optllllldl approachfrom a f lak standpoint since i t w. . . downwind. o.voided o ~ flak o.n..,tlnd providod fo r most of the bomb run to bo 0'101" water. The break ...aWay designated from the t a r ~ e t was to th e south ea at to 0.901d otherflOok a.reaa. The plo.nned IIIt i tude of attack: was 10,000 t ee t .

(c ) lUsUon nwrjtler ?S9 ':TakayOJll' Urhn e n a : Woo.ntio.ircrD.ft dofenses hnd boen pinpointed frota p b o t o ~ T l I . p h a of tbeTlo.kll.ya.ma. llreo. but weak: llnd inaCcurll.te f lak bAA been encountered there.The planned al t i tude of 10.000 fee t was ex)ccted to re .u l t in n i l to~ e a . g e r and inaccurate f lak . The route Wll.s ~ l a . n n e d to o.vold other f l : trans.

(d) ~ i l i o n MUGher 260 ... Oiry urblD ""I.1. Ootia i rgrot t DeC90'9' I No a.Dth l rorat t d....

fonses appea.red on photographs of O1ll, but a t l a . ~ : 1 J I . 1 t a h a . t : l . j \ latof O1u, there were beHeved to be Ie heo.vy CU\t1:rlrcrutt sun' . 49acdlum an t i a i r c ra f t weapons. and 4 search l igh ts .

b '.xia of ; . t hc" ilnd h l tIW , I .i.ft rtpproachfrom the _st was pla.nned witb a. breakawtLy to tho no!"theut OD leo:rillltJl t a rV ' t . this was expected to a.void about hAlt or tot. defentl....t

l t c . g ~ g a h a r . . ....t the planned attack al t i tude ot 15.000 to 15,800 t ..ti t wns expected tha t medium an ti n ir c ra tt t i ro w o ~ l d bOt be . t f e c t i ..tl.l\d tha t only menger hea'9'Y flaM: would be encount.red.

Ce) Wnion Humber 261 U1jsub' 8'u[ 011 W S M D IThere were believed to be only 2 hellYy GAtla.lrcratt ljIIDJI In the Y * ko.1chl area . At the planned o.tto.ck altItude or 15,000 to 16,000 f.I'\:


14/81

c . Onr tsrgotg:"(1) Mission Nymbor 251:

(n) PriQiJ T ~ r c e t l One hundred twenty t h r " a l r ~cr3ft dropped 911.3 tons of bombs on the Sendd urbu area frOlll091S03Z to 09170SZ a t al t i tudes r a n ~ i ~ rroo 10,000 to 10,100 t ee t .(b) Targ.ets or Opport\l,nity:on l l l tsuura. One Il1rcratt bopped

(2) Miuion Number !SO:(a) Prlgary tvnt: One hu.ndred dx t u n a1roratt(including wellther a1rcrLft) dropped 718.9 too. ot bocba 00 the Sak.turban arell from 091633Z to 091806Z a t alt l tuGea ranlng r rom 10,000to 11,350 feet .

13,3 tOM ofon Sl1ukl.

(b) Targets of Opportunity: Two Aircr&ft droppedboobs on Koehl and 1 a i rc ra f t dropped 6.3 liona of boa.ba

(3) Mission Nueber 259:(a ) PrtQKY Tarn t : One hwuired dch t . 1 ren t ' t

dropped 600.3 tons of bombs on thlll ~ a k " Y l U : l a urban .. rea r r t)el'seZto 091646Z ..t al t i tudes of from 10,200 to 11,600 t ..t .

(4.) :.liptoQ Hwgber 260:(a.) Primary Tarest I One hundred t 'nDty41De a 1 r ~


15/81

e. knding: Aircraft landed at basel .. follow'lH1U19D .!1.Il< F b at " r c uC t W t Alrer" t .257 58th 0921S8Z 100123Z258 73rd 092200Z 100054,'Z25. 313th 092026Z 092303Z260 314th 092059Z 00234.31261 31Stb 022015Z 022231Z

TOTAL 092Ol5Z 100123Zr . Two drcre . t t were los t . Onethe other caught f i re on the return t r ip .were saved.g. Operational Swgnlfy:

cruhed on t&ke-orf -.ndAll Celebe" of both en. .

(1) Navigation: (See Annex "'" Par t I , to r traclC cbart)(.J Uavigation on th e.. J:l.luloaa wu coMid.eredoxcellent , Long range navigation . . . . accocpliahe4 by lndl?ldual . , ir_

craf t proceeding to pr1nary targets a Target area wtrld deterc.ill&t1oa:nd navigation were accomplished by radar.(b) Tiae control WaS good, jpprox1=ately 90 ?ercent or a l l a i rc ra f t were over the target in '70 IOJ.nute

(2) Bogbing: (See Annex A, Part I I . aM r ..r t I I I . to rde ta i l s ) Bombing on the missions ..gainst Senda!. Salt&!. "fair..)". . . .a.nd OU'u was chief ly visual . Aircraft ..t tacking tba Ut8uNi lUTer Oil


16/81

correct ion.

ence or offlllet

sight ing only.

(c) Three a i rc ra f t ueed viGual aithtln& Oft r eh r aimirll; points .(d) Two hundrod f i f ty-four a i r en f t dod " / h u l

There were(5) G9nnery: (See AMex At fG,rt VII. to r detaUa)no outstanding problema during thoa. op.,. . . tiona.(6) AJ.r -Sn Re.cuel There woro no dl tchint , ' Oft t.heM

c iu ioDS. 1m cre .... of 1 B-29 b3.1l&d out "es t of Sdp:Ln Oft thlll "'b.IMlt r ip when f i re broke out. followirll; the backfi re of' iU "'WIlber' oQ&1D. 4 s t r iko a i rc ra f t spotted the aoa markers of the aur71vor. aDd 1mDediately trlade contact with 8. destroyer _hich r ~ . c \ 1 ~ a l l cr. . . ceabenwithin 3 houra af ter bai lout .

i. Cocmynications:( l ) Radar Counter J"euurel : (See J.nnex C. Pa" I t to r

det:l .i ls). Twenty_fhe RCLl obller7eu participated an4 10" .4 a tota lof 61 intercepts.

(2) ~ (See Annex C. Part I I , fo r deWl s ) 10unusual communications problems were e n c o u ~ t c r e d and net di.elpllaewas good.

j. Intel l igence SWPmery:


17/81

.i lll it

ANN'"A

Part I .. NaT1gdiClD. Track Chan1m't II .. BanbiDg


18/81

S E C ~ T

MISSION NO 257-261DATE - Y 'XXI BOMCOM. I

CHICH' JiMA

I- - - - \ - -35IIII .J

IWQ JUolA

0'0.

IIIII .

PART I NAVIGATION TRACK CHART

,

IIII

APRIL 1945

--- . Q

0KIN4WA

,o--+....::-:.-- - + _ - . : . , ; ~ ~


19/81

1.

Par t I I _ BsmbiPB

Mission No. ?S7 - SePdoi Urban areAlfee t i d. 8 The entire ferae bembed frem an al t i tude cL 10.000atr" "n lcoted.


20/81

t b i s prOCe... - . has bto r the 1 1 ~ - e o.m a marked imprO'l'ement in tbe caaprellelbll1t1

1 b. The banb loa.d oa:lsisted at JB a i rcraf t carrying lU7AJ.neendiary clusters e.nd 71 a i rcraf t oarryil18 M47A2 inoendi81"7 baDDe.it c . The l'Teather in the ta rget area "'se CAW and the maJar-y or the a i re ra f t banbed visual ly . The miasial ' ; l '&8 aeccmpl1ebeda s br ie fed . All a i r c r a f t bQllbed the p rimary a nd repa- ted exee l len t~ ~ a u l t 8 . Five a i re ra f t repcrted malt'unetiOD. r4 RalO sMoldes. 21re ra f t repcr ted malfunction or A...4 release. 2 alreral ' t repartedlDaltuncticn of A.2 rele!lse, and 2 a i rcraf t reported malf'\,mct!OIl. or

T-19 c lus ter adapter .d. The i n i t i a l p o i n t and uis or a t h ek '"feTE: cCXlsideredhighly sa t i sfac tory . The average dr i f t repa-ted -:rile 5 rtgb't . COl)

p res s ib i l i t y fo r t h i s -:-ring ...,S8 110 minutes.4. MissiQl No. 260 - GUu Urbsp l,fe!/,l

e . A master or eereccnies ai rcrnf t 7 & S dispatcted aheador the main ferce to obtain ',1ind directic:c and yelceity a t the target and transmit it to tbe cain farce in a cClded me8eage. The mast e r or ceremonies a i rc ra f t also transmitted the ~ e ~ t h e r cccditic:ca t the target area. The llrceedure r:4 using a master r:4 eel_q; . iaaa i rc ra f t ahead o f the main farce is oQlsidered bigbl..V _tistactCZ7., , 'eather in the target area ;:;as :::.'l.VU and tbe. majority or tr.e t'QII,biaS;;ras acoanplisbed by visual sighting. CreJ8 repczoted resul tsbanbing as excel lent .

c. The ooly diff icul ty eocQ,lntered m!re . I f ' ' l lM U a l a c IbQllbing equipnent. Three a i rc ra f t reported .mal..t\meUQl o f ba:b


21/81

. , .._...,.... ~ . ..i . ..._; ....._._........_..... ,, .. , .. .....

/ ~ i P o o

.. , ..... ,.... ,..1 ...; .;... "! -4- ..--,

: -n.'; ~ . . . . . . 3 1 - ' - ....................1. ;.. ~ ~ . ~ _ ..../ -' _ __E $ f K Y r 1 ; ~ D(c;'..,) .. . ~ . . . . :. . .. : .


22/81

for t V _ f! p dor

1. llA4ar B911biM AN/APQ-13:e . Nu.mber or sets operative e t take-of t : 491b. !'.\unber o se ts operative ~ e target : 469 (98.%)e . Number or sets operative Ql. laDdingl 460d. humber at planes using azimuth stabil1zatiCllI 364 (77.fa)e . Number or set fa i lures in lead a i rc ra f t : NODe.f , Slight i nt er fe rence f ran other sets \las enco.mtered.g . Average oaxiJ:wm range (in nautical miles) or targetsl

76 5,000 to 10.000 feet .72 10.000 to 15,000 t8E.t.

h. Average tnaximuD range (in naut ica l miles) 01' targets :121 -5.000 to 10,000 tEet.148 10,000 to 15.000 tee t .

1. Average maximum range at Japanese Coast I 60 nautical miles.j RemarkS I


23/81

J! .1lI;. II !I 1'.

(2) Landfall and LP ~ e r e easll identified.(3) CQlID.ents al brief ing 'I1ere sllt1stactaryo(4 ) Aiming poin t 7l'&S iden t i f i ed lILt 30 noutioal .Uel l .

3 . Radar Navigat ioo ..uw 4 and tJN 9:s . I\'umber or f ixes repartedl 3278.b. Antenna used snd useable maximum mnse ( in nau ti oa l &il )

....ere 8S follC/lll's:

(1 ) Gr o.md_:iave(2) Sky.l'1S'7S

Fixed4871175

Trailing6671325

c........

c . Inoperative se ts : 14.4. tIT - SCR 6QS,

8 . Sets tuned en and e lf 88 per SOP.b. Number of times check.ed: average 38 h ~ a .c . No malfuncticn gas reported.

5 . Absolute Alt:iJ:leter .. SCR-7181a . Number of operative sets I 233


24/81

I}:rt VI I _ CAumerx

1. No. or AlC firingl."B,-__2. Average tur re t lcedl

!II llA T 1.1. J. [437.5 29].75 J66.6 29375 300(315tb ~ f g - 1 . 4 2 5 r d s )3 Average No. o! ro.mds f i red in Canbat per tur re t l

!II m T la I I0 9:> 140 0 04. No. of rQlnd.s f i red in C CJ:lbat: 330 5. r-;o. or rmnds used far' t es t f i r ing: 44756. Q.ans lceded: S8th ' , 'fitS 7)rd .lina ]11tb l iM 314tb . l ips '11m 1iPSHot Cold }iot Hot Cold7. Malfunctions: C.P.C. Servo bad ele' l '8t icm tube Qlt . Col SO Jl,G.Belt ;7iated.

weak fir iDa spriDg end)0 Aro-I:IS1f\ulc'tial8.

8. Feroentage or e q u i ~ e n t operative IC.F.C. CAL. ,50 L o .


25/81

\\

IIICHICHI JIMA I

\II

MISSION NO 257-261DATE -1 0 JULY '4XXI BOMCOM.AIR-SEA RESCUE

)

- - - - \ - - " .....010..

1 }5 "

J

o

III

APRIL 1945I }O"

! O " _ - - - 1 . . . c : : ~ + - - - - C l ~ - - - 4 l t _ ~ ~ - _ t I L - - - - - t _ - - ,


26/81

-11..!!I!I.!.I!IIlI1A

Part I 'ileatberPart II _ Oharl - Foreoan YlS Observed estherPart III - Prcsnoetic .pPar t IV _ Synoptic _


27/81

Part 1 WeAther U F O r y

Planning fOrcODst - Missions No. 257thr91gh 261

Bases; 4/10 1o.:l c191ds. base 2000 f t , tOil boOO t t in morning in -o1"Caaing by oeooz t o 6/10 base 1400 t t . tops 12-20.000 f t .u i t h moderate sbmers e,nd sane tbunderstCl:'QS.

Route I To 2O".N: AS bases.To J)'N: 4-7/10 1a1 c1OJ.ds, baao 2500 f t . tops 6000 f t . witbf tops t o 20,000 f t . in narroo bands ecrOllS rcute.To cco.st; 10/10 l e a , middle a.nd high c1cuds in trent witbtops t o 28.000 f t . layers ':I'ell defined AIld ';1811 sP'!J.ced ncopt in narrro ZQle )) t o J 4 < t ~ .Targets: All: Broken layers of la;J. middle AIld high clQ1ds. l.3yera';7c11 spaced and ':I'e11 defined '\litb fe':l' scat tered areas wherec l w d diminishes t o sco.ttered especially en nortb coe.et.

o w . \ T l ~ . ' . L FCP.m.'.sI'Bases a tTakeOf'f;Roote;

Scattered 1m c1wds. brcjcen ",iddle and high elmds ';Ji.tbscat tered shmer . reduoing v i s i b i l i t y t o 2 miles.Scattered 100 and c id dl e c lwd s and brokn high elcuda t o2 0 ' 1 ~ . Fra:l. 2O'N t o 220 there u t i l be broken lOJ C10lds Vitbtooering cw:ulus t o 20.000 f t . end shOOEr8i scattered middlee l w d s and bracen high c l w d s . Free 22% t o 28C!; therEo r i l lbe scattered leD' and higb c lwds. There 01111 be seanere4100 and brdten and high c lwds betl1een 28% and JOCk. Afrcmtal zane beween )OCfl and )2CW ;:i11 give brczeD 1Q1fe lwds and orereest middle and high c1wd:J. 2ith l iabt t o


28/81

Targets I

Eases alReturn:


29/81

,

:i= i: r - - t - + + - + - ~ ~ , . j

=i ~ ' \ 1 \ - - t - + - + - - + - ' J - H , t lu

(


30/81

,

, eH IOU JI"'A

' ",--'


31/81

, - '

- ,'-


32/81

JUQ. l ! I I

c

C ~ I C A : l ' I g ; s

Fan I _ :Radar Counter ~ a a u r e aPart II Radio


33/81

Part I f01

1. Purpose;e. To DfF early ':"laming and gIlrr laying radars.b. To cooduct a general seareh in the 20-3000 me. regiG1e~ To barrage jam the e n gun_laying snd searchlight ra-

dar 1n the '?2-B4 c.c. and ~ 9 0 - 2 1 ~ me. regiCllS and to spot jamany gun_lay1Dg or scarch1l.gh.t slgnals appearilig cut alde t he bar-rage.d. To ccntuse enemy searchlight and EPlD-l3Yin,g radars bythe use of rope.2. ~ t h o d :

a . 'I'crenty_five FCM Ollsr"ters ~ r t i c i p a t o d and used thefollooing equipnent to accanplish the search and J3I:I:li.ng1 317-APr-i . 1 6 a . . ~ 2 . 1l ...\Rfl..8, 21-JaPi'-3, (J,1odit1ed), 22-MR-4. 8AP:... l l . 5 - l l m ~ 7 . 4--U'P-5. 7-:.P..... 24. 4_:J4-18 and e . . . : . P ~ ...6.b . Rope na.9 dispensed a t the. rate at 3 b.mdles per 10 se

calds ahen p r ot ec ti al " as needed tra:1 scarchligtl ts .c . Foor special jar:cing airplanes ...ena E I ; l . p l ~ d by the 7)rdJing. ta rget sakai , to cover tbe s t r ike airplanes since a t nightf l ight squadrcns are not able to prcduce an effect ive be.rrage.Cbe special jBI:I!ling airplane ~ e no t e ff ec ti v( . due to e.bt.These special ja::ming airplanes ' \ teN equipped to barrage the72-84 me. and 19J-210 ce. regicns and to spot. JIP tpIl-l.a;yi.Dgo r s ea rc hl ig b t radars appearing cutside the terrage. In a4d.it i cn each s t r ike a i rcraf t carr ied a t least 1 i_or tuned to


34/81

~ ! ! ! ! !LI ST or IFTERCEPTS

00042 o o 00 2740N 14140i: 071045 0303 21 121 S00046 o o 00 36001' 14130E 071045 0555 21 121 S00046 o o 00 3600N HUOE 071045 0555, 21 121 S00048 0000 00 3620N 14UOE 071045 0656 21 121 S00052 o o 00 362010 l4UOE 071045 0557 21 121 500069 04SO 30 3 2 2 S . ~ 14030E 071045 0424 21 121 .. CHI00071 04SO 3B 3 5 1 0 l ~ 13950E 071045 0507 21 122 P EO CllI00076 1000 80 31SON' 13530E 071045 0105 21 121 5 EO CllI00078 1000 55 3200" 1351SE 071045 0108 21 121 5 '" CllI00078 o o 08 32SON 14150E 071045 0630 21 121 P GL 'moo00078 07SO 99 320511 13510E 071045 0110 21 121 5 '" 03100080 1920 18 3350F 1362l3E 071045 0045 21 121 500084 0500 50 321m" 13500E 0?1Q.1.5 0112 21 121 5 E" CllI00090 0368 24 2 9 0 0 : ~ 13750E 070945 2321 21 121 5 '" 00101020200091 O4SO 40 3507N l " ' ~ E 0710-15 0500 21 122 P EO 0 0 l v 1 ~ 200095 07SO 18 3220N 13500E C?1045 0114 21 121 S "" "'"0097 07SO 20 3230N 13455E 071045 0116 21 121 5 .-. 03100098 0700 15 323 13450:& 071045 0117 21 121 5 r.; "'"0103 0480 1< 3439U 13801E 071045 01';;6 21 121 5 '" QCIC1020200106 0360 2a 3 13651E 07104S 0125 21 121 5 r- 00101000200108 04a5 16 3 S 1 4 ~ 136Q.J 071045 0110 21 121 S '" O O l ~ l C 2 0 200109 0791 27 3 : > 5 $ ~ 13818E 07104S 0117 21 121 S '"


35/81

4 . N::Ivigatiorp,l l..i!is: '1\70 HF/DF bc3ri.tLg3 were r'CqU(.8te4 and rece

Part I I - lfidio1 . Strike R e p o r t s : There ~ e r e 41 Str ike Repcrtl!l t ran_ i t ted b7

aircraf t over the target . lU1 ~ e r e received by the Gra.md S t a t i ~ .ate ai rcraf t or the 73rd , li ng . unable to ccntact the GrQ,lDd Stat1CIDrela.Yed i t s r epor t t hrwgh another ai rcraf t . Follarins are th e DUIIlberof reports received by each ' .ling: 73rd.8; 313 tb . 6 j 58th. 9- 314tb 10 'and 315th. 8. 2. Fox Trvpsm1saiCllsl 'Ihe 314tb .ling report.d ale of ' type mes

sage nas t ranmit ted fran the GrQJ.Dd Stat ien. (h t ot 1 ) 0 radio operat_ors i n t e r r ~ t e d . 118 received the message. The 58tb .ling tr:lD.S1itted2 Fox messagc,s . (h e h u n d r e d and t.c:nty-t>10 ai rcraf t opc.ratcra rco:Lvedthe f i r s t J:essa,go. Ole hundred r eceived the secQld t:Lesaage fer an aver-.age or 89.3 per cent . The 31]tb . ling tran.5l::1i.tted 2 Fox ~ a 'Il'i\h98 percent en a l l opere.tars legging these tre..nsmiasilZlS. The 7)rd: ii ng r epor ted t':70 Ip type messages ""ere t ransoi t ted trQ:1 th e GrwndS t a t im , aitb 87 per cent c the operators lC\58ing both. ce.saages corTcct ly . Reascns gi"len by a l l .lings fo r fa ilu re to 1 theso l:lCIssa&es-aere fundamentally the same. These reasens i.l1cluded. dispensing rQi:e.eating. frequency interference and \1ork1ng en equip:1c:l.t r.al!UDetlcr.s.

3. FreaueM1CS: : .toospheric int


36/81

(2 ) V's and Jap cba roct cre bet'01eon l)OOZ I!md lBooz " e nvery effect ive.

(3 ) J"ap code fran a pan.rtul t r ~ l t t e r blItneen l)OOZand 19QOZ '!fas very effect ive.

(4 ) Speed key sending btrt-:lcen 1.430Z and 16oo'Z -;rail inc.tt-eet ive.

e . 10305 kes: Hegligib1e.d. '1145 kes:

(1 ) Unidentif ied Co'l a t 1335Z t tas p a r t i a l l y etfoctlTe.(2) rap net operating bet":7een 0


37/81

n. 6640 Kps: In temi t ten t Cil transm1s81c:na t:rGll 10)0Z 'to1400Z 2crO t D . t f 9 ~ t i v e .o. 10965 KcSl possible noise Jaum1ng trClll 1 3 to 1731Z

was ineffective ..7.. Distress: Seve " l aircraf t traDSllitted me8sagea CQl.cerD111Stbe s ight icg or a crashed aircraf t and &univars . givinS pCl8iUQl.

and other needed infarmatim.. (he aircraf t t ransmitud 1Dtc.'lllllUcat o Air.5ea Rescue Staticm a t Iwo 11mB. and 1 wet( t ransmit ter waadropped a t the scene at th e o ra ah.

8.. Muiment MalfunctlqVH AN/l.RT-1JI 1 rixed antema br'c:kell.11 DO s ide tCZle; 1 dynamotor burned Q.1t; 1 keY:Lng relay atuckl 1 cblum.la1 and 2 _Q.11d not cbannel.. BC-)481 1 iDOjle:rati'l'8; 1 Cl oeclUa'tarinoperative. A.m'-7i 1 anteIlD!l lead-in brc:ken; 1 loop an te=a aapera.U're11 s ense ant enna brokeD; 1 inoperative.. InterphCZlel J m1c:ropbcaebut t inS inoperat ive; 1 dynaI:I.otcr naiSYI 2 lIbcrted Jack b ~ e a l 2 a t . . . .pbcme systEm!! inoperative; 1 jack box leakageJ 1 microphale n1tobshorted; 1 at: lplif ier tube 'turned OJ.t; 1 toot Infitob inape:rati..... 00B0-522;2 inoperat ive; 1 4oYnamotor wrned OJ.t; 1 ChaDD.el C iDcperat l n : , 1Transmit ter inoperative .. 5Cm-274. 1 i n ~ r a t i v e . 2 i n \endt \e l l \ aperaUra.RI". .42. 4 inoperat ive. 1 s t ick ing .


38/81

l ! .!Ll! I! 1 :I:

D

Part I .. Pll . , . I.1r OppCl8itiQD.Part II _ Ene!Q' ADUa1rol'lltt .Part III .laae. '


39/81

PARI' 1 - gEm ' AIB QPpqsrrlCF1. SIl"!PAn'! An est imated 50 J'ap ai rcraf t made U- att.acka aa tbe

S e n ~ 1 _ S a k a l _ ' . V a k a y a m a - G 1 f u _ Y o k k a i c h i night atr ikes r1 9/10 July 1 ~ 5 .The l.Dt.erceptars damaged a t least 3 5-29 ' s . SJ.pertlZ"t crews malie DOclaims.

a . Mis sio n 257. 58th ~ i n g , Sendail

t t ve .(1) Fighter oppClL5ition WSllI extremely l ight and n ry inet feeor the 10 intercejJtars only 1 at tac ted.(2 ) Fran reports of return1ng crews i t ..aa 'believed that

a l l f igbters in Sendai area depended en coordinaticn and c T>ro cre"lts a t 10.800 fee t observed tbe T d l l 1 8 b ~ u 4

AkeDqgaharll a i r f i e lds to be i l luminated and eDEIIO' ai rcraf t hk:iDg ~


40/81

(2) Jus t bef t r e bcmbs Ilway 1 B-29 was causht iD 6 ar 7searchlight. beams 'lJh1ch in tersected over the target . Tbe aircmf1; a t an a l t i tude o r 15.000 r ee t . Rope _e.a t h . r ~ w t but appeared to beinerfect ive. The enemy a irora f t oame in frem 5 o'clock low. B:r:.u....naticm at the B-29 indicated peretratla:l by It. proJect i le in tbe tuae lap .

(J) There \Ta5 a ca:lsiderable decreue in tbe ~ b e r otoOQr'dinated si!:Iula.ted at tacks as cCl:lpa.red with the la8 t m18ll1icz.(4 ) Q:le possible e.tte:::J.pt a t rar:cing 'I'f&ll repcrte4. Ilhen

the 5-29 nas 75 miles OJ,t trQ:l. land's end, the enerDJ' aircraf t . , iDdenti t ieda3 an Irvin&, came in f'rQ::l 5 o 'c l t tk level e.t 17.000 tee t . h cloeedto within less than 50 ye.rds. The enemy ai rcraf t vas elOlle enCll.gh ta ri t s insignia to be seen. The enemy a i rora f t bad 2 l ights CIl i ta r ingon the part s ide . These 'Ilere turned orr and a large l ight appeared.........

1 . Wssi91 No. 257 ... Sendai Urban Meala . The primary t arget vaa bmbed by 12) a irc ra f t the 58tb

J ing bet';1een 1SQ jZ,..170SZ frem 10,000...10.700 t ee t . a i a at at taekvaried f rm 341_360. ,jeatber VBS reported aa C.lW-J/lO w:l.dercutwitb Sll.eKe fran ta rge t f i res supplementme tbe undereaat.b. Ell rOJ.te to the target t lak vaa enco.mtered .. t a l lah. .

Loeatiq; Cogrdinates pww


41/81

t . Searohlights were r epor te d a s t ol la 18a1.oeationTargetShicgamaTsukinokiYamagata1011 rata

205222g . }.UscellansQ.!,s A n t i a i r e r a t t O b a e n . t l q y l

(1) Che large phosphorus flak b . l n ~ vas reparted Cll'eZ'the target.

f lashescloeely(2) Several crews repcrted observing b r i l l 1 a n ~ greenor glo;;s Ql the grQ.lDd in the t a r g e t &rEe. Their descrlp\icmf i t s the repCll"t of similar flashes described 10 the ToIr;ro area..(3 ) Ckle squ.adrl2l. paioted ' ;lith the jd black paint r e p ~

that oumercus searchlights f l icked their a i r c r a f t , but ;rere Wlable tot rack theme2. Missicn No. 258 _ Sakai Urban AreAl

a. The primary target ml8 banbed 115 aircraft the 7,3z'4Wing bet'lleen l 6 3 ~ l e o & frcm 10.000.11.350 t e e t . 6:1:18 at at taokvaried tran 55_89. .feather was rep


42/81

}H.BI I

b. En rw t e to the target flak ....118 n i l .c. Over the target area flak nas described as meager.inaccurate, heavy and medium by t ' ; J ~ t h 1 r d . s at the airoraf t . '!heremsining ale- thi rd described fle.k ll.S ni l . Fw r to six ineffectivesearchlights ";Jere reported 1 to 4 IIl1les Nol oc C.itu.d. Q1 t7ithdre.:7el meager, inaccurate and medium f lak v ureported as folla7s1

Loeat im Cocrdinates

3urface VesselSJrface Vessel

343eN-1381JEJ J 5 ~ - l J 8 J 8 E3139'-13845"3524N-13654E Io!eager and inaccurate. hea"7.

" No aircraf t vere lost cr damaged as a resul t cI nail: CDthis mesicm.f. MiscellaneQ.!,s Antiaircraft ~ s e r y a t i c g ! l

directed.s t r i ke .

(I) Blaekcut a t the target wsa canplete.(2) Qle a i rcraf t repcrted tbat medium t i re voa beiDs:a t taI l ing ballOO. This tac t ic has been reported CD .. prerlQd


43/81

e . No aircraft \fere loot to f lak


44/81

P"mage l li tb lp l im i ts gf' wi l t -up ore,'

1. 9.umla,rt c( pamageaBuilt_up areal Sq. M i. Total - 4.53. Sq. 141. deatrayd 1..22Fer cent destrC&'od - 27

Planned target area 3.0 sq. roi. hr cent deatrct(e4 - UTotal damage to date 1.22 sq . mi. Per oe11t rL b.lll t ....p arell - 'Z7Targeta dalllaged by current str ike. 4 numbered, 2 C1tber.IJ.m1taUCftS at cOIi'er6g91 Targets llO4 and XXI 6214 lack coraraae.Note: All damage l i s ted i s new _ figures repreeent totalJl:.

2. Report IDntrCl7.4

a . Area damaUd trem SUrreRS s t r i p S q . M i. - Sa, Mi lor ogat:Buil t-up area (Urban)&i l t -up a rea ( Indu st ri al )&i1t-up area (Total)

b . Powse to t ar ge t"

4.53 1.22 ZlNat lllIIla.sured aepuate17. .53 1.22 Zl

Number9O.lO-JCXI 6223 (A) IlR Yal'da

Tgtal 1 '2


45/81


46/81

1 . S!l!!!!lf!ty Pomen I&lUt.up a re al Sq. M1. to ta l - 2.321 Sq. K i. 4eatrqrd .. l..o2

Per eetlt destroyed - 44Planned target U8 lU J...8 sq . mi.

. Total d a l l B ~ to date. 1.02 sq, mi.Pe r cen t dea tr qr ed l 57

Per cent 'a.lllt-up areu \4TarBet8 damaged by current s t r ike ' 1 D.lmbered, 4 U1llW:lbered acd 5industr1cl areas,Note. No previQ.ls dllmage. Pbotc:e are soed..

2. . DAmage within limits or buil t ."P areala . Area &mage frO!!; cuneot s t r ike I

S q , 141,at i l t_up area ( U l ' ~ ) 1. 75Built_up aree. (Induatrial) -51&1ilt-up area (Total) 2.32

3 . J),!M.!7"t to tAfAAtJ I

neatrqte4Sq, 11 , br oed

.911.08J..02


47/81

,


48/81

P in I I I _ sttTICl< C - 'II!.x.W1,;w4 - D.)M4GE1. &f!l!larv at Da!l!Q.Be:Built_up areSI Sq . M i. Total - 4.01 Sq. '1.1. destroyed _ 2.1Per cent d e s t r ~ e d - 52.5

Planned target areal 2.0 sq. mi.Total damage t o datel 2.1 sq . c i .

Per cent destroyed - 10'3f e r cent d b.lllt--up areal 52.5

Targeta d.Bl:::Iaged by current s t r i k e : 2 numbered, 17 other.Notel data in t h i s rep crt supersedes that l i s t e d in a l l preT1w8 repcrt8.

2. Report IDlmage ';lIithin l i o i t s of bJ..ilt-up areal

a. AJ::ea dapage f ra n cur re nt s t r i k e :DeatrOJed

S a . Mi. S q . H i. hr ceAt&1ilt_up area (Urban)&1 i l t - u p arel!1 (Industr ial)&l il t_up a rea (TotI!11)

b. DMeage t o targets:Numberedl None in built-up arel!Lother: 17

53.748.1052.5

o'\nnotl!1tiCl:l. (This i s f i r s t . trikll)


49/81

In a dd itic n n at les8 than 26 small un iden ti fi ed indus tr ia l plantsTar iws types were d e s t r ~ e d .c . Peme.Se mtside Wilt -up areal (


50/81

lLQl!l l l l J ! I!I1A,I ,

p :n I I I - SWTI


51/81

Numbered Targetsl NelleOt her Targettu P'mag8

RailrQ!l,d Stnt icn I.Uld Ye.rc1sDai_Nippal Spinnina: Mil lNippen \'1oolcn M i llMine Eloctric R n i l m . ~ CanpanyKyOdo Texti13 Mill No. 1}{yodo Text il e M i ll No. 2KyOdo Text il e M i ll No.3Ky Odo Text il e M i ll No. 4Fuj i Gas Yarn M i llNipPQl Spinning and ':leaving Canpe.n.yNippcm . /ollen Thread CanparvKanega.fuchi Spinning Mil lRegimental Dist r ic t H e ~ d q u a . r t e r s3 . Tnrp;ets OJ,tside !NUt-up Areal

center at e i ty ) .

StBticn ~ d YBrdaprobably dacogedNcne Ti:oibled e s t r ~ e d100% destroyed100% d e a t r ~ e d1(:% deatrc,'ed100% destroyed100% destroyed

l O O ~ destroyed1001 destroyed1 O O ~ d e s t r ~ E d100)( destroyed100% d e s t r ~ e d

(gi thin 5 mile ra diu s d

Numbered Targets I6 0 . ~ d 3 c . ~ d by p r e T i ~m1ssiellKagNnigah9.I'a Mili tary Airpor t 75.4% d8caged by preTiQ18

Kauasald Aircraf t 'Jarks0.20- 24090.20- 249


52/81


53/81

P.\R1' I I I SECTIQ-l E - UTSUBE FlIVER OIL REFINrnX ... DhM!!.9EASSES&l>Nr'

a. This report assesses d a m . ~ to the above target resultingtrQll. Xx:! Banber Ca:I:I.:md .Missions 209 . 216. 2)2 and 261 at 18, 22, 26rune and 9/10 luly 1 ~ 5 .

b. Roof' area d.arlage. as a resul t o f these missicos. ls936,)70 sq. f t cr Ji.9.4%' of the total roof area. Tanks ';lith I Icanbined capacity of 84.240 barre ls . 4% or the to ta l original ref1nel'Ytank capaci ty . \7ore dam!l.ged.

c . Roof area damage. as II resul t of' missiClls 209. 218 and232, i s 645.760 sq. ft or 34% of the to ta l root area. Tanks ;litha canbined capacity o f 33.870 barrels , l . at the to ta l arlginalref inery tank capacity, ;lere destroyed.

d . Roof aree. d&:!age. 0 .0 a roau l t at mit;aicn 261, U 292.610sq . ft or 15.4% o f the t o t a l roof 81'\:.a. Taoks 71tb 8. cQ:l.binedoapaci ty of 5 0 . : ; ~ barrels , 2.4% at the or ig ina l re finery tank capaeiqt,,,",ere destroyed.

e. RemC"tal activi ty at th is refinery has been extensivesince the f i r s t coverage C3PR4M8 - 13 November l ~ ) . Tt\nks with a

. . . . . t 1'1, ooat'd. ITE.!JIZATIOIl OF NEVI DALME


54/81

D . l l f ( ~ G E IN SQUARE f o ' E ~- SUPERFICIAL Percent. , t ro ed Structural Gutted /.linor Total of roof Function of buildi .OOllq.cmt' , 30.000 3D, 000 60 Pass. electrolysis bUildingf 11,000 22,000 22,000 40 Methanol plant (pOBB.)f .,350 9,350 9,350 100 Unidentified1 31,500 25,200 25,200 80 Ra'ber bUildingOlI 51,000 22,8002 ~ 8 0 0 40 Labor quarteraOIIo 3,650 3,550 3,550 100 D i ~ t i l l B t i o n comploxDIb '.210 4.250 4,250 100 " "o 6,8H 5.825 5,825 100 Lubricntion oil f i l t rat ion2 _,600 5,600 5.600 100 Pump house8 1.320 860 600 50 " ",..


55/81

D!Ji\GE IN SQThtRE FEETSUPERFICIAL Percent

Root are . Destroyed Struotural Gutted 'Hnor TotAl o f ro of Runction of buildinp;j COlllDlent.......... .......v ' : " ~ ~ : : : : : : -- :


56/81

D.Al!.'.GE w S Q U ! l . ~ E FEET...... SUPERFICIAL Percont'let.A) Root area D8IItrO*Od Structural Guttad Minor Tot!!.l o f ro of FUDotion of building; comnont,060 I,D 0 1,060 100 UnidontifiodlaS a-b-o 5,800 6,BOO 5, [l00 100 Dist i l la t ion unit"t I,S80 1.3BO 1,300 100 1 tank _ 42 t diameterI" 1,300 1,360 1,300 100 1 " " "46 ~ J , S 8 0 1,3ElO 1,300 100 1 " " "47 1,3BO 1,380 1,300 100 1 " " "51 1,730 1,730 1,730 100 Furnaces152 1,730 1,730 1,730 100 "50 1,730 1,730 1,730 100 "00 19,100 a,ooo 11.100 19,100 100 Go..do\1l1/J101 30,600 16.300 15;3:)0 30,500 100 " "02 21,500 5,000 16,500 21,500 100 " ",.. 21,500 21,500 21, SOD 100 " " HM :a 1 1,600 1,000 Storel! building "1,600 100 ~ '89 11,500 3,600 3,600 25 Bailor house Q 90 10,300 5,150 5,150 50 Unidontified H '91 11,200 5,000 6,000 50 " 0:96 10,250 10;250 10,250 100 " u". 10,250 10,250 10,250 100 "" ',600 7,500 7,500 1100 POSl!. ti.T. dopotOI 18,000 6.000 G,OOO 33 UnidentifiedO2 3,200 3,200 3,200 100 "05 6.550 ",550 5,550 100204 12,000 "20& 12,000 12,000 100IIJ,600 "'204l 10,600 10,600 100! 20 ' 10,600 10.600 10, GOO 100 "d':: 2,000 2,000 2,000 100 Temporary huts2.400 2,100 2, '.00 100 I, I I.. _.000 ' .000 0,600 100 Le:ld-sodium n l loy p lnn tIs:

' .900 7,900 7,000 10C Ethyl_chlorido ~ t o r o . g o 900 u,900 0,900 100 Storage bui lding,330 6,330 5.330 100 " I,330 " "1 m 2,000 3,330 6,330 100,330 " "uo 5,330 5,330 100,330 " ".330 5,330 100

ITEUIZATION OF OLD D.hJf.\GE (CONTID)D.'\l(j\GE IN S..:.!UARE FEET


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R o l l i ~ stock servicing bUildlng3D r f i l l ing bUilding

" II "

""

. . . . . SUPERFICIAL PorcentI Roof &rOll Des tro ad Struotural Gutted l-fin?r Total of roof Function of bUilding; oommont6, 5,330 5,330 100 S t o r ~ o bulJuingIt o 6,660 5,050 5,OSO 100 l!o.tcrlo.1 stero.go171 21,:560 21,360 21,360 100 Dr\l,Cl fHline: & storo.ge buildings1'1 21,360 21,360 21,360 100 n "11" "1f6 12,700 5,000 5,000 10 11 II 11

1715 ',400 2,200 2,200 50177 14,'100 6,300 6,300 50IT t 3,100 3,100 3,100 100100 12,100 5,000 S,OGO 60

Itol'JILl 222, 920 59,500 212, 510 110, 720

"i

i1

615,760

~ L ~

D/A R.port 141, cont1d.


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1iO. otW!ka1!DIT?ATmH OF NEl TARK lWIAGE

12'/'140l4 l154157171294J09

I T a r r z . ~ ' i ' I m T OF OLD TANK IlAIiAGE68 1 8,000 8,OO() -- 100l4 l lJ . 1l,320 920 8.1 Scall run-down tanks - 2 dest;lJ.2 14 1l,32O '920 8.1 " " " " - 2 dest.l44 1 5,700 5,700 100 Large " " " - 1 dest .145 1 5;700 5;700 100 " " " " - 1 dest.146 1 5,700 5,700 100 " " " " - 1 dest;147 1 5,700 5,700 100 " " " " - 1 dest.Jm 1 1,250 1;250 100 S to rage t ank - destroyed'IOti.!.: 33,B90

TAUK RElDVALVo1uoe Percentharrels Removed of volume Function of tank' coamcnt;900 2,760 40 Saall ;nm-


59/81


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B

CORSOLmAIED STATISTICAL SWl.J4RX

XXI BOMBER COMMANO= = = = = = = = = ~ ~ ~ ~ ' . f ! J = = = = = = = = ~; SECRET


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. 3 0.3il2

Crow Member Casualties. .. 1Percent or Total Participll tins: . . . . . . , .02%

_ireratt Los t . & Percen t Or ,Urcraf1; Airborne.JA.lrcrnft J)o.IrBged. . . 20Percent or Jl.lrcraft Airhorne.

257 - 261NO9 July 1945

43 TOM

FORM 34

]858 Tons

70.7il

MISSION

572

Mission 1/257. 58th Wing _ Sendal Urban Area (pi{ and m)Mission #258.. 73rd Wing. 5a.lcai Urban Area (PIf and m)lAission 1/259 31] th Wing _ WakeyOJl1l, Urban Area (fill and at)MiSsion #260 _ 31.4th mng _ Gifu Urben Area (PV and PH)Mission #261 _ 3 15th Wing .. utsube River oil Refinery. Yokkaicbi (PV and Efl)

gOST OF 'w!10N

BolIIbill6 Results _ Preliminary repor ts indicate th e At I 0 JinJl 21f o l l . o w i ~ danego. Aircraf t Landing If Mlaaion :1251 _ No dar.age 8ssossnxmt availablo to date.M1l!1sion ,/ 258 _ 110 dallJ:l.ge assCsOlllont available to dote.ma.ion 11259 _ no dall8.ge aS80S81lDnt avai lable to date.l21.e!on H260 1.93 sq mibHI or 74% of buil t-up arOB destroyed. Issued 11 July 1945Hi.sion N261 _ 2o.l of roof .a rea damaaod.

SECRET

Bomba I1roPIed On Pri.mlry TargetBomblI Dropped On Other Targets.

Aircraft Bcmblng prinary Target .... 536Percent or Bou:bing .a.ircra1't Airborne 95.2%

U'lICTIY!NF? OF t4ISS1ONS_irerat t AJ,rborne 4 Percent Of A.ircraft On Hand

CONSOLIDATED STATISTICAL SUMMARY OF COMBAT OPERATIONS

. )' ~ Q 1 ! . k : r '- ' f .... lJ..,i L : l S S l ~ Ja l j 19lr.SA;IHCRAFT P A i\ l' 1 C 1 P " T IN G D."':

a/C Ale Ale Ale TlMLOF f.n.i'.E ell' Tn&; OF kl::l'UHN

FAn.lilaA/C A/e A/C e ptJf_........"ECL:BING BOIallNG E


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II I w,w.- '" "'LI_':';:D \lL.Jl 1 ' A i ~ on- i ' . . n ; . ~ L>...... l ' L { ~ ' ~ LJ.::>' 1.IA'!'E }DtSr ffi:D.Wty SECWtlARY 0',"", """'ONS A/C A/C., u.sr 'tJ.lICJ:.T T J . R G ~ ~ C E . T S 1:lTICrM N ~ , I Efn.cTIVI.~ 1 l 2 O 1 119 1ul,y 0703 z 0841 Z 9-10 215B Z 0123 z 113 0 - a3 12 ul,y 10 - 1 - a I 121 2 - - 2

21 1 5;on "2


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!,ol:ltedOtherNon_ I Bombed

e r r ~ e t i . ~ e e o n d a : r yIIon- JBombed I[.anled!rrectlv Secondary Otler

ssion j/ 2

J l i s s ~ o n #261w. s s ~ o n 11260

i . ! i $ s ~ o n #2581 4 i a S ~ O n /f-;.

fee the Secondary Othor

intonaneo porconnol error.

Non- I BCIDbo4 I Bombed!f 'TeetiTbseeonde.n Other , 1 l , 3 JJ>. I - "a I 1

16 I 5

j E ~ J l j ; l

6

3

2Sa

16

.... I ....b.. IBombedI t tHUn ~ c 0 D 4 a r Y other

I I I I I _ JI I I I I I I I I I__A "1Dt4ll8noe j,1Qroonnol error . f t o . " , orev p)r6011.D81 orrolS nd OIl.1 lAolwiM 1 p::lthtinder 81rcrart.

,. .H ' l l l ; l MISSIONS___ ?-5Z . 261BOMBING RUN DATE 9 July 1945TIlE OF RELEASE ALT. OF RE:I..E.\SE TAmEI' VJSmLE T,.'\RGET uar 1JT."::TBLEVISUAL RA.DI\R RUN m o p p n ~ VIS.9IGHTINC DEAD DROPPIlli


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IJlO1'PIIDI1TY1'Jl1 BOIIlS lWlLIEST lATEST LOrn" HIGHEST SIGlfrIIC V/ITH VISuAL rn ON REFEREllCE RADAR RECK- auI \ ~ " ' ' V " ' n D D a " ' ' ' ' T ~ 11O 'hnTm O R OFFS'RT PT mm ONING LEADER'Mission 2

~ 0 113 1511 Z 17c5 z 10000 10600 89 I I . I I 2 10 !. 1503 Z 1,"_' Z 10200 10700 7 - -1 1419Z - 10300 '2 ta r . 0

l i l i l l .1I

'. 257 - '61> i . t ; ~ J l ' " J :. . II1'ID con M J S : i I o . ~ :l.94D I ~ P O b l T l O N OF BOMBS DKrE

M'l> I ttra LOADED ON UR- I ~ : n ~ '1!kIi'Qi'1' R,lEASEn Oll TARGE(f.uiGETS OF Off I_


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NC8e rai l No Tons ::0. ...... - - - ; - ~ "'on; Ill.... ~ n .. ~ ...T Ton 0 Tons I Ho. I Tons,em \"-1117"1 5OOI/l.e. , . - 2257 564.3 2155 538.7 - 102 \25,0 T. 1-

. - . . .1i2 lOOll I.B. Inat . 11896 410.2 10606 3726 182 6.3 903 31 ..1 5 .2...46 fho.atlO'. 8 - 8 . . . .Nissle #2"'8 I1.......7' " l!XJ# I.B. Inst . 11697 403.3 10651 367.3 1 184 I 6.3 I 862 12971-36 500/1 I.e. _ 1657 276.2 1536 256.0 80 133 41 6.9. . . .6 50011 I.e. 778 155.6 778 155.6.. .46 ....totlO.. U - U - . issio ~ 2 " q

1313'0 \.......7' " l!XJ# 1. Inst . _ 13050 450.0 12803 441.5 -' 242 8.3 I 5 i . 2. . . .1117.. 500il I.e. 1461 365., 1435 358,8 - - 26 6.5Uiasio f!260,'.11-46 500. I.e. 2568 513.6 2387 477.4 12 2.4 169 33.8. . . . . .71.2 10M I . . . I n " . _ 12671 4368 12221 421.4 184 6.3 221 7.6 I 45 11.5""" ' .... tatlO.. 56 _ 54 -' 2 _ \ Hisal ;J261 Ii ..44 5C0fI G.P. . , o ~ 5 LD.. 2008 502.0 1875 468.7 32 8.0 100 250 1 I ,3IteL .......l'ol 500" I.e. 3718 929.6 3590 897.5 .' 128 32.1':::702 100II I,.. 49314 1700.3 46481 1602.8 550 18.9 2228 76.7 I 55 I 1.91-36 I.G. 3346 609.2 3165 633.0 12 2.4 169 33.8.. Lot. . , . , .", I.C. l657 276.2 1536 25(,.0 60 13 ..3 41 6.9;; P h o t ~ a . b 75 _ 73" _ . 2--M64 :,vail Oaf. 2005 502.0 1875 468.7 )2 8. 0 100 25 .0 l' t 3

':V'...L Loll!] 4077.J 56120 ,856.0 614 "2.6 2668 14.5 56 2.2... ~ l . : : : ; ' ; ' ~ to 00 n 5000 toot alova tor , t . "ct.. Born. Rol .. . Sato On Tar. woo n ~ ~ ~ 9 7..2 ' . ' i t" C ~ j ' ~ t : t ; ; '. . . .7A12 I . _ 2 . wlth raMIG r.lll1na 1res. a a i o n - - ~ . 8 It 46'. w1 \ oC'Jt;ll t . 8 r n 1 ~ wires; ! 1J.4 2 s w1 h con:p et e e. nt ;

.. t broke w1r. I~ " ~ j 1 ~ I

II SECRET MISSIW 257 - 261DATE 9 July 1945PF,RSONJf[L CASUALTH'SAlRCRAF'1' IDST AND DAMAGED

AlIlOIWT IDST AlRCRAF"I' DW.AGEDPERSONNF..L C A S ~ L T I E S

TOTAL


66/81

. j ~ < l j I

-.uc tir'oublo 01 ~ O : O I : ....fr . l l reraft r:u. off run't,':::l.Y ond burs t tnt.o rlollXl8. Entire ~ o ~ ~ ~ ~ ' b a i l O d ou t ond alr


67/81

~ I PJOllW,T I .WID I I Ins. I 01 It J. IlSSTIOD1l " " s " " ' _ lWW>1O COM." rIllllll ISOD. LO .. Alesfl WG IC

3 1 WG 1.1

.c\r:.L 501

30

100

60054535

1340

1200

1200

.ew.

441


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FLIGHT DTA & FUEL CONSWPTIONMISSIOll IlU!.BEk #257 #2'" #259 1/2W 1/261UNIT 58TH \VI t; 73RD \'Inc ) l )TH iIlll 314TR 'ftI1 315TH "01'

- - -AIRCEAi'T C O l ~ l I J E R D 102 116 100 124 WAV:rnAGE fLYlr rIME 15:35 13:28 13:24 1/.,3') 1);;2FUEL CDrfi litUl:

Averllbe 5967 5m 5647 5970 551.9Ka>.ir.nn 6500 6451 . 6109 61.78 59.9tli 1".i!:'lu:D 5580 51)4 5160 560B 5217

FUEL fW-IAIHI N:I :Average 673 812 951 685 1233Muir-ltD 1075 1431 1340 UL< 1568Mtnir.Il..m 200 63 )19 179 TIl

AVG. G.-i.LS. USED PER HOUR 38).0 l.29.0 al . i . .07.5 Ll.D.l

TOTAL USED ON AIRBORNE: A./C 788555 693938 6171.41 810339 )A8m


69/81

F


70/81

FIRID ORDERS ),NUUIlEll 97 )

1. Onitted

Auth:51iJbGx IInit ials:Date1XXI fJOKaIm CCIOWCDGIWJS July 1945 - 1'70()(

2. XX! !3oc.ber Command attacks SEm)l!.I, SAMI, KOFU, and 'JlhKAYIJlA UrbanAreas on ni.:>ht 9/10 July 1945.

3. a . 58th ~ i n ~ :(1) PriI:lll.ry.Visual and Radar Target: SE.'-lDAI Urban Area'

UPI Foree Req'Ured057111 Nort:Lal Eifert.YFI Reference: XXI BO.:!l.Com Li.tho-Uosaic S"'i2DAI 90.38 U r b ~ .

(2) Route:BaseIwo Jima3550N - l.4l1OE3749N - 1405930E (IP)Tar..e tRi::ht Turn

F .0 . #97


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(2) Route:Ba"1'110 Jirna333lN - 13346&3419N - 1)441)03 (IF)TargetIt!:ht Tumlifo JimaBase.Altitude Enrcute to tare et:to 8.aoo f t . 5,000 to 5,800 ' t., .., .000~ ,

(4 ) Altitude of httaek: 10,0Cl0 to 10,800 f t .(5 ) B o n b i n ~ Airspeed: 220 C.I..\.5.(6) DO!!b Lood: 2 goups - 14-47 rna2 .:roups - Clusters containin- l!-69 ba:i>lI.(7) Altitude Enroutc from TarC'"et: 12,()()) f t . or .above.(8) Take off: 0919QUJt:.

e. J13th WinS:(1) Pricarl Visual and Radar Targe.t : fl'AKAYAMA Urban Area

UPl Foree Required


72/81

SF,CRErF. O. fJ97

(5) Altitude Enroute from Tarr.;et: CliJlb immcd1p..tely at torbombs away to 17.000 f t in ordor to c.void approaeh4 ..... IP


73/81

for GIFU. . . . . ~

x.(6)(1)

TDkeoff: 0917OOftWethcd o f Attack I Dy individual aircraft .into str ike t ime of 70 ninuteos maximuru eomprossing terce.

(2) "1C"loacl.cd with Y.-47 IBs 'l fi li t ake orf in order tof i r s t .

strike

(J ) BOQb Fuzin; : !!-47 IDs - instantaneous noseAll clusters - fused to open 5,000 rt. abovethe t ; \r" 'et.

(4) IntervalOOletcr Settin-:.: l'-47 IDs - 100 f t .All clusters - 50 f t .4. Tacticnl Mission Numbers:

Si!WhISM}lt sqU3dron wil l be: equipped. to b a r r ~ : e jao. ther o ~ ~ o n 190-210 m e ~ a c y c l c s .

R ~ S T R I C T E D


74/81

G

DlSTRIBUTIQll


75/81

STRIKE

---Sf '


76/81

,i,I

CONFIDENTIAL JUNE 1945 SHEE


77/81

APPROACHES TO WAKAYAMAACTUAL SCOPE PHOTOS

ALl: APPROX. 7,000'REPRODUCED BY 949TH ENGR AVN ToPO CO

E


78/81

JULY 1945

.30 fL--.;., ~ ' / " , ;

j\


79/81

CONFIDENTIAL

CONFlONT1AL


80/81

REPROIlUCD BY '49TH ERroR AYN TOl'O CD

......" , n

/

, "'1A J . ~ " " ' : ~ \.-,. ~

APPROACHES TO SAKAIACTUAL SCOPE PHOTOSALTITUDE APPROX.8000

A-2 SECTION l(l(1 _,R C O ~ N A N O

O"'''OOT'ALSHEET R"-DO

JUN! 1 1 4 ~


81/81

" -2 SECTION XXI BONBER CONNAHO REPRODUCED BY 949TH ENOR AVN TOPO CO

21st bomber command tactical mission report 257 and 261, ocr

Documents