japan enemy trends april 45
DESCRIPTION
US Intel Report April 1945 Japanese Trends pt 1TRANSCRIPT
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 1/82
G E N E R A L H E A D Q U A R T E R S
S O U T H W E S T P A C I F I C A R E A
MILITARY INTELLIGENCE SECTION GENERAL
STAFF
P E R IO D I C S U M M A R Y
OF
E N E M Y T R E N D S
CONTENTS
I
GROUND:
A * Northeast Sector
Par,
1
~o~ainville
Par,
2
New Britain
Par. 3 Eastern New Guinea
B. Philippines
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 2/82
enq
nn r
kLLl,iSSBiE
From Da ily Summary No. 1205 5/6 Apr 194.5
To Daily Summary No,
1111
19/20 Apr 191.6
I GROUND:
A
Northeast Sector:
1
BOUGA-IiLriiILZE: Stubborn re s i s tance con tinu ed t o be ol 'fered along
the road t o Buin.
Although two regiments of the 6t h Division, alrea dy
i~uch educed, have been large lyd im ina ted i n recent counterat tacks , the
enemy
w i l l
probably stub born ly o2pose our approach t o t he Kongorai River,
In nor th Bougainvi lle re la t i ve ly heavy- %se of a r t i l l e r y by both s id es
has character ized
the
igh t ing .
There are indications that the enerny
inte nds t o stand a t Pora-Pora tr ac k junction and thus deny our for ce si
access t o the v i t a l overland t ra ck t o Ruri Bay.
2
N l 3Y BRITAIN:
I n th e ' ride Bay area All ie d pa tr ol s ea s t of th e
Bulis River toward Jammer Bay have encountered sporadic enemy activity
while p at ro ls along the west co ast t o S ai PLver mouth re po rt an absence
of opposition.
3.
EASTEPJ NDU
GU I N E A :
Although the enemy continues t o r e s i s t t he
c oa s t a l advance on I<iewal:, t h e most st renuous f i gh t i n g has occu rred s out h
of Dagua, r.nd west of Ihp r ik where
o u r
tzdvinces threaten the main source
of t h e e n e ~ ~ y f sood supply.
The Boikcn area appears t o lend i t s e l f t o
defense, but re cen t photos af 'the co~.sta.larea t o beyond 71Tewskdisc lose
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 3/82
Ground Contfd
r y 32 Contfd
by a r t i l le ry , were in di ca t i ~r e f the enemyts in te nt t o ef fe ct counter-
offensive measures,
A t
th e c los e of the pcriod, th e enemy s primary
defenses collapsed and were overrun; heavy c a s ~ m l t i e swere sustained
as the incomplete tabu lat ion approached 5,000 ca su al t i es or more tha n half
of h i s tak a1 e f f e c ti v e troo ps. Remaining enemy strengti?, now being dri ven
fur ther inland,
s t i l l
re ta in s some defensive cap ab il i t i es , however the
backbone of t he Cebu def ense has been broken.
On Negros, off eri ng only nominal resistan ce, th e enemy fo rf ei te d
the e nt ir e northwestern p la in ar ea and has committed himself t o a ty pi ca l
engagement on i n t e r i o r t e r r a in featu res . Probing of enemy co nt ro ll ed
t e r r a i n i n th e no rth ern highlands dzveloped a N-S defense zone approxima tely
5
miles long, with Negritos f?rming roughly the cen ter poin t i n the l i ne .
On Negros t he enerny ha s succeeded i n evading combat on maneuverable t e r r a i n
and has retai ned the bull; of hi s s t rength f o r a protrac ted defense i n the
rugged northern inter ior .
On
Ap ri l, our tr oo ps made an unopposed land in g on Bohol and
subsequently developed only scat ter ed con tacts a s the or i gin al posi t ions
were quicltly expanded,
The sma ll enemy ga rr is on possesses only th e
cap abi l i t y of inlz.nd defense i n conjunction with smal l scale l oca l iz ed
harassment of our e st abl is hed po si ti on s. Iiiopping up of enemy remnants
continued without s ig ni fi ca nt inciderl t on the othe r Visayan Isl and s and
the Palawan area, The indi vidu al and col lec t iv e is ol at io n of a l l the
Central Phil ippines Islands precludes any enemy action but that of
is ol at ed and hopeless defense i n presen t ly occupied areas .
6. LUZON: With th e exceptio n of sev er al is o l a t e d pockets, organized
res ist an ce i n southern and southeastern Luzon
i s
nearing an end.
Xast of
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 4/82
A i r - Contfd
Periodic S w m y 32 - Conttd
is ol at ed rai ds aga ins t our ins ta ll at io ns i n Luzon by Formosa-based ai r-
c r a f t i s s t ead i l y diminishing, he i s s t i l l c apable of f l ~y i n g n n ig h t
ra ide rs i n sn al l numbers a t in frequent in ter val s ,
-b.
BORNEO, NEI
A N D ADJACENT ARMS: As i n the Philippines, enemy
a i r a c t i v i t y
in
the Borneo
- NEI
areas continues on a limited scale,
con-
fined primari ly t o 4-6 p lm e in terc eptio ns of our search and small. str ilre
missions i n th e North and Western po rt io ns of Borneo, and i n th e Balikpapan
are a. Sone a i r f i e l d s i n Halmahera and th e Celebes-Ceram a re a are being
kept i n a s ta te of l imi ted se rv iceabi l i ty , thus - fa ci l i ta t ing any pro jected
harassing at ta ck s ag ain st our ITes te rn Mew Guinea and ad acent bases,
c. FORIIIOSA: Minor unaggressive interceptions have been encountered
but th e main defenses have been confine2 pri ma rily t o
AA
f i r e . The bulk
of th e enemy a i r a c t i v i t y i n Formosa probably has been di re ct ed a gai nst
our forces operating
5~x
an around Okinawa.
d. C H I N A , I N D O C H I N A , '?YE SOUTFI C H I N A SEAS: Fi gh te r cover f o r
coast-wise shipping continues as t he main enemy a i r a c ti v i ty i n th i s area.
There a re some in di ca ti on s t h a t a port ion of th e enerny a i r operations against'
our fo rce s i n th e g ener al Okina~vaarea are staged from Eastern China coastal
a i r f i e l d s ,
e.
ITAIGEI
SHOTOS
-
KYUSHU: The gr ea te r por ti on of th e ope ratio ns
of the enemy ai r force s has been directed agai nst All ied operat ions i n the
Nansei Shotos,
and i n an a e r i a l defense aga ins t ca rr ie r att ack s on Kyushu.
I n and about Okinawa, th e at ta cks have been tile hea vie st, and th e pro por tion
of su ic id e cras hes remains high.
Me~ritypesof su ic ide a i rc ra f t , both je t
pro pel led pi lo te d c r a f t and roc ket bombs ha.ve been employed i n ad di ti on
to the conventional type ai r c r a f t i n these suic ide crashes. During tihe
period Apri l - 20 April, th e enemy has l o s t over 1,800 a i r c r a f t i n an
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 5/82
A i r
-
Contrd
Summary 32 - Contrd
r R E C B T I T ~ T I O N AIR :
Par.
7
-
A IR
OPER4TIONS:
Offensive eneny a i r a ct io n i n SIWA
continues almost non-existent; heavy
a i r at tac ks i n i 'ansei Shotos continued
despite extremely heavy losses.
Par,
8
-
A I R
STRENGTH
:
The enemy has maintained the same
r e l a t i v e l e v e l of
ir
s t rength i n STurPA
and the Formosa
-
Ryukyu areas.
I11
PJAVY:
10. FLEET UNITS:: The Japanese f l e e t made what app ears t o have been
an abort ive s o r t i e aimed a t our fo rce s i n the Okinawa area, ulrhich turned
out t o be a complete fia sc o fo r th e enemy. Late i n th e evening of 6 Apri l
and the morning of
7
Apr il, tln;o enerny forc es were si gh te d i n t h e waters
e a s t of Kyushu and west of Southern Kyushu, Inasmuch a s the fo rce
app are ntly turned vrest and then nort h a f t e r rounding Kyushu, th er e
i s
the
remoted po s s ib i l it y th a t mining of Shirnonoseki S t r a i t s caused th e enemy
t o use t h e c ir cu it ou s rou te tirirough Eungo Channel i n an attempt t o escape
'Lo s a f e r wate rs tha n th e I nland Sea,
On th e 7th, 100 n i l e s -rvest of' th e South t i p of K~yushu a fo rc e of
1BB,
YAEJNTO,
1
CL, kCAX9, 1
CL or large
DD
and
7
or 8 DDs were atta cke d
by 380 planes of t he 5t h Fle et, After th e afttac k a l l tha t remained was
CL or poss ib ly
1
a r g e
DD
and D ~ S , a t l e a s t
2
of which were badly
damged. These rgmnants r e t i r e d t o th e Empire, po ss ib ly t o Sasebo, where
on 11Apr il DDs were photographed,
3
of them i n drydock.
Recent photographs
by
B-29s show important f l e e t uni ts i n the
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 6/82
Navy Cont d Summry
32
Contrd
Marinduque Is la nd as pos it iv e. 1iYith
U-
contacts i n the Phi l ippines during
the previous period
t
i s appar ent th a t anti-submarine measures and the
captu re of th e enemyls base a t Cebu City ar e showing re su lt s.
The Japanese appear t o be concentrating t h e i r submarine ef fo rt s
n th e Okina~~iva re a with 24 cont ac ts rep or ted a t Okinawa and ad jac en t
waters. (s ee Encl No 3).
12,
MERCJUNT
SHIPPING: Despite heavy a t t r i t i o n , the enemy has con-
t inued hi s rece nt ly accelerated merchant shipping ac t i vi ty dur ing the
pe rio d i n the Makassar Straits-NEI apea.
In ad di ti on t o th e normal move-
ment of smal l coas te rs (many of which have re ce n tl y been repo rte d a s being
troop-laden), se ve ra l well-escorted tank ers and fr ei gh te rs of appre ciable
tonnage have been. observed i n th e I~iakassarS t r a i t s ,
This vi l l ingness -to
r i sk his s izeable coupled ~vi t l i lie pers is te nt small ship t r af f i c
i n
the Java and Florcs Sea, suggests t h a t t h e eneny i s making a desperate
attempt t o salvage v;hatever resources are ava ilab le from h is holdings i n th is
gener al area, rega rdle ss of the shipping ri s k s involved and Lhe los se s
being suffered.
There has been a vi r t ua l cessat ion of a l l s ign if ica nt convoy t r a ff ic
alon g th e Indo-China-Formosa-China Coast sea la ne s, Photos con tinue t o
r e f l e c t
a
considerable m rc ha nt shippin,n.tonnage i n the Singapore area;
however, o w searches f a i l t o disclose
aria
lucr e t iv e t a rg e t s a long the
convoy route, other than an occasional sizeab le vessel , usu ally i n port .
Apparently, th e e ffe ct ive ne ss of our a e r i a l and submarine blockade has
re st r i c t ed present act ivLty to the s taging of s ing le uni ts or sxial l
numbers of
m i i t s
fr on por t t o po rt along th e route, with movenent
confined gen eral ly t o th e hours of darkness.
Sightingsof numerous small
coaster s, junks and sampans in dic at es an increa sing re lia nc e of t h i s
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 7/82
IP
losure 1~0
I.A
9 iodic Summary No. 32
DENSITY OF
ENEMY
GROUND FORCES, NORTHER11 LUZOI J
20 April
1945
1,b.p
Ref. 110.
1 Babuyan Id:
Batan Id 700
Calayan Id
400
Dalipiri Id
700
Camiguin Id
400
Fuga Id
700
Babuyan-Ibahos Id 100
33
000
2 Cagayan
Aparri-Lallo Area 7 000
Abulug
100
Gonzaga 300
Gattaran 3,
100
Alcala 3 0 0
Abra
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 8/82
20 April 1945
Cont d)
Map
Ref. No.
Bataan
I t . idatib 500
Bulucan
IP
Busung
Rizal :
1j[awa
h t, Purro
St . Ines
Sampaloc
Batangas
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 9/82
20 April 1945
(cont cl)
Map
Fief. Nor
8 Negros
IJegritos -Sicaba Fks Area 8,000
Dumaguete 400
8,400
Cebu:
Buhisan
Talainban
Liloan
Bohol 200
Aggregate, Visayas
l-4
100
DEIJSITY
OF
E %j IY
GROUTJ
FORCES,
LHNDANAO ARSA
20 April 1945
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 10/82
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 11/82
To Accompany Encl
No 2
Pe ri odi c Smmary No 32
EXPLANATORY NOTES
1
Elements 55th
IMB
f a i l e d t o oppose i n i t i a l la nd in g,
opposi t ion subsequent ly devdcpe d i n mounta inous
i n t e r i o r .
Enemy repa ants continued i s o la t s d defense of se lec t -
ed t e r r a i n f e a t u r e s i n con junc ti on wit ? f u r t he r
northward withdrawals.
N i l
oppos i t o n t o Malabang-Parang-C otababo land -
ings ; enemy wi thdrawal toward i n t e r i o r po s i t io ns
p r e sages t y p i ca l de fens c o f e s t ab l i s h ed pos i t i ons .
~ i i hh e co l l a ps e o f h i s main de fens ive pos i t i ons
N V
of Cebu Ci t y th e enemy ha s withdrawn i n t o t h e
i n t e r i o r and a long E coas t .
Inef fec tual de laying ac t ion opposed our occupat ion
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 12/82
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 13/82
C E W T R A L C H I N A
M A R I A N A S .
0
.
.
UK
0
I
C A R O L I N E I S L A N D S
. 0
Q
m
M A R S H A L L
0
I S L A N D S
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 14/82
:
+
.
G EN ER A L H EA D Q U A R TER S
SOUTHW EST PACIFIC ARE A
MILITARY INTELLIGENCE SECTION, G E N E R A L STAFF
1-111: DAILY SUMMARY OF ENEMY INTELLIGENCE
IV: G-2 ESTIMATE OF T H E ENEMY SITUATION
V : MISCELLANEOUS INFORMATION
No
D TE
1121. 29/30 - p r 1916
SOLO:.~O;TS
1.2 ou~ ni i iv i l le : 22
L2r: 3 1
ainbush of
udm
strenzth encountered along 2uri-
1
a t a i?, i; Tol;inotu; un :n nb r en loc a ted
7 mi S-.
t o
3
r~ I3 Pora Pora.
3 r
1 4 ~ 1
GU1XZ.A:
2.Aitape-\iev1al<: 28 np r Area alo ng t r a c k 1-3/L mi S Boiken cle are d; :nortar
f i r e rcvd Kawain i t ; area 2 xi t o 2 s mi X;'JZ IIapri l: c lea r; p at ro l clash es
appror, 2
xi
NX3:r Lake Imbi.
131~ILIPl'IiJES
3.i:Endanao: a ) North Coast: 27/28 Apr: f l r i g a o province c l e a r of en; gue rr
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 15/82
dE,ZTMZTY
IS:
1.iJanus
:
?Jig>t 28/29 Apr: (Yurt11 ~ p t ) 2 en torpedo a/c attacked dry-dooks;
no dac,~ o sh ip s 8. no personnel cas; planes at tacked f r
'?
too l 0 7 i fo r r ada r
BORI\JZO:
2.7.1 Coast: 28
+r: 2
en Fs obsvd viar?ing up on sod s t r i p
3
of Pontianlk (a-211
JAVl?
3.Ge3cral: a ) Fhotos 21 Apr : Soereba ja,
7
TE
a/c,
3
Tpts
. 9 Ps;
lbrokrem-
bancan i;aval
A i r
Sta t ion ,
1
4~
/B,
6
F/PS.
b) Fhotos 16 Kpr: Pcral: a/d,
15
~ p c ~ r t i o n a l/c ( i nc l 3 Tpts,
4
T2
B s
8
FS); Conajoran a/d, 30 Fs
t:
TT: 3s
l'::ILI;3JI:: t;s
:
4
A,zndanao 29
-<;r
Fadnda airfield (Davao
)
capturzd
by
~ r c ?orccs.
- - .
.
U.YA :
5. o i n p q o r e
:
2
r :
Single a;grcssivc i~ ul t i -c ns ineen a/c encountcrod by
B-24
search plane 125
ni
iT Sin ~a- por e; 2231.
'j'xaTCE
I'JJO
C,iii.J]~
6.Saigon: 29 i"pr:
N i l
i n t c ~ t n 6
30s
swicp Caigon a/&; parked 2/c (poss
dwfzlges) on aau ;Jot on ly en sigl itin g; fr ie n d l y pla nes picked up b ~ r n
ra dm -trac :ed. i n t o S a i ~ o n j oon.
CBIZJLL
:
7,Amoy: 29 Lpr : 7 e n
Ijs
obsvd on ~Lqoya i r f i e l d ,
8.S~;nghai: i;ii;?.t 23/29
A p : AA
sho t dov ,~
1
of
4
blind Es
f r shore
h destroyer
~ s c o r t n r i v ~ r ;
1
plnnc holcd 18
9.Gcncral: 28 i.pr
:
En a/c dcst
bj
114th
ili
uiacl; 19-25 =ipr:
;
nter acc
A3
tiiiles e t on fire
Dcst 1 prob 0,
darn 4.
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 16/82
6.Toshicn: 20 I L;~: Stra icd 6 junks, 2 nbandoncd,
iS~i
7.Keclung: a ) 28 :\pi": io sp it al sh ip , 10
l
5 5 E of I i iru~ r s i?,ix'r.
bl) 9
p
r c i ~ h t c r 3 00 /10 00 ~) , r e i 3 t c r ( 15 0/ 30 0~ ), 1 0
ni
ES3
Kiru~
bor.~bod traled; 1 e2 t ~ r e c kc d n b~ nc h , burnin; fu r ious ly .
c ) 29 Lpr:
10-torkozt or not or to rpedo boat s tr axcd , 20
m i SY;
Kirun.
~ q ? ~ ; c ~2;j o CS1ijiL
8 .S~~igonrea: 29 Lpr: freigl itcr (7 00 0/ 10 ,~ ~i 0~ )n Kong l a i
R;
1 burning
freighter-Iqt
(2 /4 50 0~ ) n 502 Fa,e
R ,
IL;i, :
i Id.
l i l i
.
g,:culin
Gay:
29 LL;7r: B:1'i)t)ty.
lO.SI~angh;i Area: 28 '~pr: 1 poss dtstroycr escort, 6 u/ i vs l s .
11.,Svatovi:
a )
L
k g
schooners, 12 l r g
junks
s t rafzd ; 2 junlcs strzfad, 10
n i
of: 5kra.tuw. b ) 27 Lpy: re ig ht er s (type doub tfu l); 2 bomb bi t s , pas-
s ib l e ,
12.i.hcao: 29 f ~ p : ~ : l r g
j d ; s
4.0
n i
s, l e f t sinking; 2 l r g j lml;s, 45
xi
E
l e f t s in li ing
13*ic:1oJT: 2 j : roi ghto rs, 6 gunboats, 3 destroyers, 2 ste.; lhoats,
hospi tal s i l ip ,
1i;IJSEI
~ O T O
14.0kinawc: a ) 28
q r :
Surfme uiii ts destroyed
8
suicide boats,
b )
28
Apr:
i,Kdget sub pens disco-mrcd, containing 6 vmcckc.d SUSS,
:
1 r e :
28
r : cttles hip (a ru nn ) now ilcs f l i gh t deck on stm n;
converted b n t t l ~ s h i p o longer a t i?pr 13 posn
L
i s un loca td .
c a r r i o r
(Unryo class) at l/Iutsuho Jilz., caiaouflaged.
i g h t cru is cr (ilgano c&nss)
prcviov.sly unloca tcd noT;f a t Ya
Shin._.
e s c or t c a r r i e r ( ~ a i : , o l a s s )
formerly s t i Ji s: iinani ~ h i n a '13 lpr) now n t K u ~ ~ c .
1 8
dostroyrrs a t Kurc
and Ya Shim; al so a t Kurc: 18 subs i n r - d c ) 3 old
? i v ~
ru isers ,
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 17/82
Swm ry of the En S m r y
1 1 2 1
Contid
b, Ac ti vi ti es i n Rear Areas:
-
Java: 26 operational en a/c photo d
2 1
Iipr,
Saigon:
~ i i
ntcptn 1~-38s
China: Inten, acc it , i tShanghai;
7
en
Bs
a t b oy ,
Oicinam: 104 en a/c des t
by
TF 51; 3 by
TI 5 ;
t o t a l 5 en
d
dcst
night 27/28 3pr,
Kyushu: 443 opera tive cbt a/c on 0 a/ds (28 Lpr) ; s l opposn t o 1 8
B-29s bonbing
6
a/&.
Honshu: 367 operat ivc cb t a/c on
2
Nagoya aids;
157
a/c on 3 Tokyo a/ds.
Truk : 5
en a/c
obsud.
c. Identifications:
1s t
Bn, 74th Inf (30th ~ i v ) ; ocuqents taken from
&ad en.ehy off ice;,
fl
of i:abacan. 732nd Naval
Air
Unit;
documents
capt-
ured vi ci ni ty Digos,
d, Vieather: Formosa air strikes cancelled.
-
2. Conclusionsr
a Enemy Capabilities
Oocrations on J&indwao :
A
(1) Def ense of Uindanao
(a)
Defense of the Davao lipproaches
.
(b)
Defense of the Central Idndanao Approaches,
Operations on Luxon:
(2) Defense
of
the Ipo Area,
Operations None the China Coast:
(3) Increase of Small Craft Traffic.
Operr?tions i n the Empire:
(4) Disposition of Fleet Units,
5 ) Fotcntiltl Air Operations,
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 18/82
Enerily Capabilit ies Co
r y 1121 Conttd
t he S i lac t r a i l , A s avo been observed
toward Iibnogok and L i
cnenyrs 2osition on
the i ndic ated com.nding t e r ra i n f ea tu r e s would give him an clement of co ntr ol
over the high~vay
nd
would a ls o se rve as a f i n a l d efense area comparzble t o
those alrea dy encountered i n other Philippine Island operations.
11%present
i t
appcnrs t h a t t hi s area m y develop into one, i f not th e m j o r eneny defense
zone f or his f i na l stand n north-centr3.1 I.&ndnnaor
(Sce Ehclosure oe 1 ).
Opcrations on Luzon:
( 2 ) Defense ,of the Ipo k e a : Recent in fo rm ti on concerning troops
located i n the Ipo arca was obtaincd from
a
EJ capturod 10,000 yards north-
wcs
t
of :Jontalban, According to him, the ICal-$ashi:% IIeidan (Group) i s coi~poscd
of LITQ miding rcginents (one of which i s the provisional Tonono force con-
s is ti n g of thre e bntt nli ons ) and two combat ba tta lio ns .
The infomation that
tl irec b at ta l ions c or-lpos th e Torilono for ce confiras a previously captured
sketch
m p
t h a t disclosed thr ee b at ta li on CPs i n i t s are:.
The 3-i e s t i m t c d
the stre ngth of t he Tonono force a t
1,400,
Ilssudng the second raiding
reginent o be apgroxiclately thc sm e size, and the two conbat b ~ t t ~ l i o n sf
~v er zg e e la ti ve s-br~ngth , he e nt ir e group would nd;e up
a
conparable strcngth
t o the t o t a l strcnzt h indi cat ed i n a rece ntly captured document (about
f iv
t o
s i x bat ta l ions) to be i n the area .
O u r pat rols operating i n the a rea have
rc2orted t h a i a l t l i o~~ghe has vie11 prepared defcilsive posi tions, th e ene~iy
dous not occupy n l l of then all. tllc ti :^^, an inbiczt ion t l u t t he f ive to s ix
bat tal ion st rci igth est i nat e m y be f a ir l y close. These reports
would
a l so
suggest
t b t
tho present forces i n thc Ipo area w e
n
siceleton force to
const ruct, i n , u v e and protcct thc defcnses and do not conprise the entire
fighting force the cnerhlymy eventua lly onpl.oy t o defcnd th e se ct or (See
Sxnnary
1UO
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 19/82
E n c : ~ a?c'-bili tics Cont d
an Ilcrrlaphrodite inasf~uchs the IS
and EYUGr
th or oq hk i s s t i s f ac tc ry i n act ivc erit.agc. zcnts
A Prisoilcr cf ar interroga-
tion ([:radcd only
C - 3
le ad s t o tllc be li ef th2.t p ri o r t o :?o?.c-zbcr 19& an ti -
a i r -cra f t ins tz l ln t io l i s on
t1 LC
l i ~ h t eck of the
X C V - D B s
have rcndereci then
unsuita ble fo r lau:ic iing md neccssitat in; t lic ca t q u l t i n g of the planes,
The ACXiO c lass CL ~;hosc~ h ~ r e a b o u t s?s bccn udcns~ ,n s nosr
Irilo~m o 13c at Yc? Shi:la i n t he Iyo Sca, and the CTJZ ILIIPO
previously
a t
i;ishino,.ii Shi.,za i s nOiJ a t I ~ L E ~ ,
It
i s of i n t e r c s t t o le zv rn t l i a t o f
18 D D s
a t Kure and
Pa.
Shi.:a.
15
are or" the -BTSU class.
This cl as s of destroyer i s pr kla r i l y an cscort
vessel ancl not a f l e e t clestroycr l i k e tlle ena.ly's TET,IITSUI;I :.FUBUi<Ic lass
destroyers
vri th their
8-5
and
6-51' ivbin ba tt e ry rc sp cc tiv el y.
I
Tllc ;lTSU c ln ss i s 3201 330' in len-th, and cn rr ic s 3-5~/1~0
cal iber d u d purpcsc guns,
Due t o -t; ie f a c t t at t h i s c les s llas no co::pli-
ca tcd d c s i ~ l i r equip:mn'c problc-IS, t he encrq- i s esti;etcd t o have corii~loted
ap-21-uxirntelg 27 ui1i. t~ n 19L4, a nxib er o i wkich
11a.m
alr ead y been
sun :.
The si$l ting or" th cs c lBTSU class des t royers fu r ther subs ton t ia tcs
~fi1a.t
has
previously b a n suspected thlct
cf
the cs t b a t e d 25-30 dcstroyars i n the B.lpire
only a l i s ~ i t e d wzbcr ar c capaSle
cf
el ' fect ivc use in a f l e e t a ct io n,
fllt:lou$l t;icsc re po rt s slzovr ~- lc vc ,~ cn tf the ISE,
it
docs not
def ini te ly xean t ha t slie
i s
now ready f o r
i
xedia tc ac t ion nor the
&lRT?:I1
with i t s c on v c rt ~ d l i ~ h t eck, and no si ~l li fi ca iz t ncrca sc
i l l
the cnc?;~ s
ca.~m'bil i t ies s indicatcd,
5 Po ten t i a l A i r Operations: On 20 -4pril a t o t : ~ lof 443 operntive
conbat a i r c r a i t wcrc photogrnphcd by 9-29s or, 8 C~yushu airdro-?cs.
The day
before 520 operative corl'uat nircraft wcrc phctographcd on
3
drc--1~s.
Ihoto-
graphs of 21/22 April -- tho : lost c o q l c t a covcrago y ~ tttair1c:cj--sbn7red 776
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 20/82
Enexy Ca pa bi li ti es Cont d 21 Conttd
Due t o operat ing f cct o r s unknown th e eneny o t been ab le
t o make cqcrcnt use of larg e n u ~ b e r s f these operative air cr zf t.
Inasmuch,
however, as tllere i s no assurance tln3.t s om or a11 of such di f f i c u l ti e s m y
not be overcome, th ese lar ge nmb ers of a ir c r a f t, s-tanding.8practicz11y
un-
nolcsted, co nst it ut e a foruidable th re at again st the succcss of our Okinam
and perhaps subsequent operations*
b. Relative Pro bab ilit ies:
-
1 Defense of LBndanao:
The
t ransfe r of supplies and ea r l ie r gu er r i l la
reports of hoop shifts to the Talono River area,
he^
coupled with the
presently encountered dclayilig action along the Davao G u l f coast , substantiates
the alre ady indi cate d eneay in te nt io n of defending initi all- J before Davao and
s ~ ~ bs e que n t lyn the in te r io r .
I n north- cen tr al lilindcnao
i t
appears that
th e 1,ialaybala.y ar ea nay develop int o onc, i f not th e r.xi joy enemy def cnse zone
f o r h i s
f
rlal stand,
2 ) Defense of th e Ipo Area:
It
i s possible the two raiding regi~lents
and two comb cd y a l i to be i n the Ipo area mkc up
nost of the s t r en f th i n t he area a t the present, v~hicli previously captured
docx~ent nd ica ted to bc a t about f i v e t o
s x
ba tta lio ns, Althou'zh th e i r
, kc up i s previs ional,
tlie
enexy hns t he p o ten t ia l means t o cfZec-t; a stubborn
defense i n th e yuggcd Ipo te rr ain ,
he
c ~ w r c n t a ss ive a t t i t ud e i s not con-
strued to indLccl.i;c a vrcakly I~cld r evacuted sector,
(3) Increase of S m l l Craft ,Traff ic y
a
la rg e sc al e exploynent
junks and othcr
s1lalL
craft, which i s new il2parent along the China coast,
the cneny can continue t o supply liis garriso ns do n g tke China coas t and i n
Formosa
4)Dispos:i.tiin of Fl ee t Units: m i l e new photogrnpliic interp reta Jcion
re po rt s in di ca te sonc novelllent of f l e e t un it s vdthin t he Einpirc, th e condition
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 21/82
1
9
Apr: Against only s ca t t e red ei-iemy re si star lcc,
advance elements 19th f i ~ f eached a
point
2 :?liles MN
Santa Cruz; lfgli'cly
dc-
fended road bloc < engaged 1,000 yds iJE
of
~'atulangon.
2
28
Apr
Four
;?ossiblc
cnemy
barges obscrved by
PTs moving north 1,000 y& o
mta
Cruz
3 9
Apr
Guerrillas report TaZicud Id, S. ?S s m l
Id, c le a r of Jays.
Undated captu red encmy doc~il cnt iidi-
cates that sui3pl5.e~a r c
being
moved in-
land from Davao.
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 22/82
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 23/82
~ l ~ p r ai . ac L
b
a-ic1 No 2
L
ai~~Yumn.1;1rj10. 1121
On Apr 9:
1
Defcnscs a t Xapatalan ovsrrun
y our
forces
only d n o r contacts made
by
pa t ro l s
mov-
ing up Infanta Road.
2.
Civi l i an
roin v i c b
of lbsungit
Roclc re
ports Japs
in
arca moving toward Santa
Ines i n groups of about 20.
3
A l l peaks
on Ilt P ~ ~ c ~ ~ r a g a n3,000
yds ESE
of j,lontalban) were clearcd
of $he
enemy
by
the
2nd Bn, 145th Inf;
the f e w
Japs
renaining S i
of i;&ri ;ina R a r e now sca tt er -
ed.
4
i
report indicates two Raiding Regts,
Hanabusa
nd
Tomono (strength
o f
l a t t e r ,
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 24/82
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 25/82
G E N E R A L H E A D Q U A R T E R S
S O U T H W E S T P A C IF I C A R E A
MILITARY INTELLIGENCE SECTION GENERAL
STAFF
1-111: DAILY SUMMARY
OF
E N E M Y 1 N T E L L I G E P ; I C E
I V :
G-2
E S T I M A T E OF T H E E N E M Y S I T U A T IO N
V : M I S C E L L A N E O U S I N F O R M A T IO N
No DATE
1120 28/29 Apr 194.5
SOLOi lOiJS
:
1.Bougainville:
27
Apr:
h
W n str en gt h contacte d 4000 yds SE Tokinotu; Japs
withdrew f r posns 4000 yds SE Korinu; defens ive posns being cons tru cte d
2000 3~dsSSV Sinani ; Japs lo cate d 2.500 yds
Icapana,
IEfI GLTMEA:
2 .Aitape-TTe~valc: 27 Apr : Posns encountered 3200 yds E '7arangam Villages and
2500 yds E ;iora; Hawain (3 ni
E
Boilten) captd; mortar f i r e and anti-person-
nel mines encountered 1500 yds
Boiken.
PHILIPPINZS:
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 26/82
ADMIRALTIES:
1,Manus
:
28 Apr
:
Lone en a/c bombed ct-;-docks, causing dam; 23001.
C%rnB%S
2.Ynnado Area: 27 Apr: 1poss se r v a/c on SE s ide Langoan a/d,
ROmo
3.K~d-at 28 Apr : 2 FS r 1B des t or prob des t (garble
1
on Kudat a/d by P-38s;
clever patching of
r
'way made i t appear u/s from 4000 1
4,Natoena Is: 27 Apr:
1
appar s e rv Tpt on Boelan
I d
s t r a f e d dam by P-38s.
5,Kuching Area 27 kpr Poss r %ay sighted by
P Y
rift 5nland on S side of
Igan River.
PHILIPPIMES
6,Palavran: 28 Apr 2 en a/c approaching f r dep ar tin g t o SI T draped ant i -
personnel bombs on s t r i p area, n i l dam 02331.
7.Luzon: a ) 26 Apr: 2 Fs on Tuguegarao a/d des t by 15 P-51s.
b) Zight 26/27
Apr: 3 Fs mnadz 1 n e f f pa ss a t
2
~ - 2 4 s , 50 m i N of Laoag.
FOR1 OSA
:
8.3.
Formosa: Night 27/28 Apr: 1F i ne f f in t c p t d E-24s over Toshien,
9.N.
Formosa: Might 26/27 Apr:
1
night F in ef f in tc pt d 2 B-24s over
N
end of
Forinosa
FRETLTCI- IEJDO
CHINA
10.Saigon: a ) 20 Apr: 1
F
in tc pt d B-25s attaclcing Saigon shipping; 1B-25
l o s t t o i n t e r ce p t or and
2
t o
AA
b) 26 Apr: 2
Fs
ine ff in tc pt d 2b of
46
B-24s bombing Saigon t g t s ; 12 a/c ho le d by AA
CHIRA
;
11.Foochovi: 211 Apr: 1 B shot down by Navy search a/c 90
m i E
of Foochovi; Tpt
a/c chased but escaped; 0825-08201.
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 27/82
Mz~vy
- Cont'd Summary1120
-
Cont Id
burning; Ir,m vs ls , group of lugger s
so
craft, a dredge prob damaged.
1iA11dfu4
11.Y:iLin
Ba-y: a )
20 Apr: an-boat,
1
f re igh ter - tp t (3 /1200~) ,
3
f r e i g h t e r s
(150/ 300~ ), re ig ht er 300/1000 ). b)
28
it2r rei ght er- tpt (2/b500~)
anchored; re ig ht er (300/700~) i n inner i lbr.
reighter-tpt (700/1300~);
gun-boat ent eri ng inne r hbr,
CI3IIlA COAST :
12.Foochovr: 28 Apr: poss de st ro ye r- es co rt 60
r i S Y ~ ;
many jwJ:s same vic in .
13 Ehcao 28 Apr : ugger s e t a f i r e , 80 m i
ls-I.
14.Ca:lton: a) 28 Apr : tJtrafed two r iv e r boats, 1 beacbad; both burning 10
m
SE.
b)
25 Apr: Strafed
3
r i v e r boa ts , r g f l o a t b g d er ri ck ; b oa ts l e f t
burning de rr ic k out of comnission. c )
20
Apr: r g u/ i
sh ip
momting
derrick danaged,
lS.shanghai:
20
Apr: re ig ht er -t pt (700/1300~) sunk
by
d i r e c t h i t .
JAPA ?
:
16.Kurc Area: 28 Apr Lrg f l e e t cons is t ing ca r r i e r , ba t t l e sh ip o the r ship-
ping, Lanoi Sea.
CEIfTPdIL PACIFIC:
l7.I~ro Jima: 20 ilpr: sub contacted 300 mi 31.
1
Sumary of the Enemy Situat ion:
a. Ac ti vi ti es i n Fonrard Areas :
ITorthern Ph-ilippines:
1,uzon LOO enemy con ta cte d 3 miles IJE of Santol Bay &ile opposi t ion
c o n t i n ~ ~ e dicinity of Carnalig.
S of La~una e Bay, st ro ng opposi tio n met
],It
i;fataasna Eundoc; is ol at ec l str orig po in ts rernain 2-3 mi les SSW dlaminos
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 28/82
Conclusions.
a. Ene4;1y Capab i l i t i es :
-
Operations on 2findanao:
1
Deieilse of ;Iindanao.
a )
i
hdra- rial
i n Soutiler:: .iIindanao
.
b) Uef
erne
of C en tr al .Aiidanao Approaches.
Operations on Luzon
:
2 )
Delaying Actions 2Jorth and
-hs t
of Baguio.
Opra t i ons i n t he Sulu Sea Area :
3) A i r ilarass'qent of Palawan.
Cr,eraJ6ions on Liiiidanao
:
1
Defense of liiindanao
:
a ) Sjithdrawal in Southern i.Kndanao
:
The nominal enemy resistance
i n t he Dir:os a r ea was ra -2i dly broken and on
28
Apr i l the
34t n
Infan try reached
t h e Davao Gulf coast o c ~ ~ ~ ~ i ~ ~n a r ea
4 dies
len gth fr o n Digos t o Padada.
By
08301,
9
L41sril advance elements of th e 1 9t h In fa n tr y s ei ze d Sa.nta Cruz on
Davao Gulf, 24 miles sou tb of Davao City, ag ai ns t only l i g h t contacts ; abandon-
cd cneny coast defense and A A guns were found i n t a c t , bu t booby trapp ed. To
date, t h e ~ n l y re a i n vSiiich a p o si ti ve enemy re ac ti on has been observed
i s
Sareilgani3ay.
In view of the th re at of being is ol at ed by our east~farcl r ive
fr o n Cotabato t o Davao Gulf an attempt t o execute a northward ~sithdrawz1. as t c
be ex--2cted.
A
seco:?d repo rt from gt? crr i l la sources of th i s tre nd (See Daily
Summary
110. 3.117) re ve al s t h a t an esticia'ted 1,000 eneny reccn-tly noved f ro n
Sarangani to :~ard I:lzlall;lag, 6 iniles south of i'adada.
Since the 167th Independ-
en t Inf ant ry Za tta l io n has b?e;l indi.cc?.ted t o be the pr in ci pa l corfibat u n i t i n
the Saranga2i ar:a,
i t
i s r L a ~ ~ i ~ : ~ . : ~ l eo assume that i t inay have beell included
i n
th i s sk i f t . he t l ~e r r no t these t roops succeaded i n c lear ing Pigos pr ior
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 29/82
L of C t o tho East. The sscond fo rc e ma ~ ~ ~ i t l l d r a v ~u r t he r e ~ s t , l s o f igh-ting
de la ying acJcioiis, througll Ailtamok (7,000 yards
E
of ~ a g u i o ) nd Ralatoc (4,500
yds S of Aintamol:, Rear ItoGcn)
an?
eventual ly over the connect ing t rai ls
t o w a r ~ ~ sYigIivray
5,
augmenting either the Villa Verde flank dcfeiises or the
Bale tc Pass-Santa Fe ar ca s.
Thc p o s s i b i l i t y t l i s t t h i s nay bc the enemyls plan
f o r tile scco;id group i s fu r the r
suggested
by
tile
prescnce of a ~ 1 ~ 1 1o r c c i n
the vi c in i ty of Itogcn(:'~?.intaineda l l through the f igh t ing i n fr on t of Baguio,
even thou^ ^
he
v i t l ~ d r e ~ ~ :tren gth fron t he Kcanon 3oad to bo ls te r hi s def cl~ se s
along 1Ii$TT (ny 9 , rho nay now co nt es t our advancz i n t h i s mining c en te r and who
i s
i r
posi t ion t o jo in the lar ger group then i t tvithdrav$s e a s t Irom Antamok.
C iv il ia ns havc s t ~ t c dhey bel ieve the Japs arc cvzcuat ing to
Bayombong on :-~ighvr?y
5
zbout
25
n i l c s
i J
of Santa F'e;
t h i s
i s
a poss ib i l i t y .
In l ig h t o f our rcccn t successes on IIigllyray po ss ib ly forcshado~vinga tolls-pse
i n Lh2t si?ctor, a rapid ~ ~ ~ e ~ ~ d r a v ~ ~ lay '3e ef fe ct ed t o in su rc r mc hi ng Caeayan
Valley, t i~ crc by t rcngthcning exis t ing garr isons f or cv cn tu d dcfcnse of the
IIigl11izy 5 ax-5.:: of '~lrithclrwal.
In th i s ins tance , a fu r th er delaying act ion
ca st froin Baguio ~ o u l d robably not be c zr ri cd out.
In conclusion , i f
as
ind icated by gue rr i l la 2nd c i v i l i zn repor ts,
t h e cnexii has vritildra%n tro op s no rt h or-, IU~l ~v iz y13r d nur tli -enst tovrcrd Top
SF ,
It i s probable t lic f i r s t fo rce t:ill f igh t success ivs delay ing mt ions
i n 'ehc inountcin ~ z . s s c s zstricic t hc ;;i,"In.15ray i n t o tho Cagayan Val ley; whiLc
th e s~ co ii d ith c r continuLs t o dcl2.y our il zn k advancc on hi s iiigh~vay
5 L of
C
or evacuates t o I:i~lnrr~ y i.5.thout fur tkc r s i ~ n i f i c z n t esistance, depending on
hi s a b i l i t y t o l;iai;ltain a unif ied deicnse force i n
t h e
Balete Area.
( S ~ Cn-
closure No. 2 ) .
O,fi~r:~tions n idle Sulu Sca Area:
3)
L i r 5arassizent of Pa1r:'~'ran: I n tn e cn rl y n c r n i n ~ f
28
AprLl, 2 m i
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 30/82
T5 c
i '~ l l c?~ : r i ~ i gL n s
CLi-2
t a ~ i t a t i v s l y ?l cc te d Tron c~ap-L11r,~3dnc:ay docuq1,hnts
and/or
2 2
in - tz r ro~a t io l i s ,
2 s
having :)os si b le si gn if cancc
Jap
I plzns
on
Fifth Coh.n;l ;'ictiLvitPcsli:
lf(&n &<cr 3-7 iss~jeci
y
105 lJ-j.v
?
20 i5To~
LLj17 - ;it:l
113 2.bove hz2.d-
ing,
ir\,cludes k 1 , ~ ollo-vrinz $:.:'~racLs
Fi ft h colu;m ac tiv i-b ies nf tc r >>lzric;ll L~.ndkngs
a )
2ropz.gc?:lda nu s t nlv:zys give
the
inj.:rzssioii
i2s.t
F i l Q i n o s z r e
f u l l y
suiyi,orti l~ us
20 do -t hi s, coli ccal t ro op ' ;novenc:l-Ls 5nd bsc dece2-tion , so th2.t
i?ttacl;s and delnolition loo:;
ss
thougil
they
a r e the cieecls
oi
I;'ili:.:iinos or
guerri l lcts.
b) Psl:; .i' ~ doctune:?ts L o~ lc i n enorily
clear2 v u 5 1 1 bc
c:c2niined f o r t5.e purposc.
of f ind ing Qle i r na:;les, bir-G:plnce, ate. , ~ d i i c h en
be used by t he
Ai:~yf o r
p r o p q e n d ~ nd. a l so brocdcc-s l
.Lo L2 o
eneqr comt ry in an e f f o r t 60 c i i : ~ n i s h
t : i ~ i r
i l. 1 t o
-irC?.gs
a prolonged
~ ~ z r
c )
In
sprcadkzg pro;~agaildz ;~:;lcng t h e Filipino populcl'cion and g u e r r i l l a s
cxccgerztc ths cru cl ' tie s of kxerLcc?r-~ ol di cr s t o ~ m r d
hc
Fi l ip inos ,
S t a t e
t h a t t k a c r u e 1 . t ~of
L ke
iimcrlcen Ar:ny to-mrds
tile
It"i1i;lsino.s i s c e r t a i n 0
- -
cor,tinxez
ij4?Jcc
en:>;n
~ i z r cf
the
l.:in&~oss of
the
J a ~ ~ a n e s ari~y. :@Ace
hen
a7prarc of tl?c reverses suffered by the J~flericaliArmy; if necessary, re lake t h ~
v i c t o r i e s or" the Jt...panesc 2nd ~ O S S E S
o:? t112
imcri czn s i n ot hc r scctors.tl Fro:;2
AIXATIS tr zn sl et io n of docil'r:lonJ~ apt ~rr cd i c i n i ty
ANTI-?@LO,
LUZON, 17
I.kr
145;
ADiT,nATIS
Tr ans lat ion No 136~ pp
2 4
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 31/82
iParyintelligence
Sectim
eneral Staff
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 32/82
To
i icconpany b c l No. 1
Daily
ummary
No.
1120
MPIJdJi1TORY
NOTES
1 28
k r:
Estimated enemy company contacted during
night
27/28 ~ ~ r
n Sayre Highrag
N
of
Kaba
can by 12Lth In f elements; con tac t main
tained t o
5 1
a t ~vh ich ime th e advance
contiliued t o a po int 3 rniles of Karlar.
2
28
Elements 34th Infantry reached Davao Gulf
9
Apr:
and expanded t o Padada aga in s t only
sc a tt e re d enemy re si st an ce ; advance ele-
ments
29th Infantry pusl-iing N toward Dav,ao
reached
anta
Cruz, 7 miles
B
of Digos
agains t only light contacts; abandoned
enemy coast defense and ; A g a ~ sound
booby-trapped dur ing tli e coursc of advance.
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 33/82
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 34/82
P
E
No. 2
si 112
EXPU~J~LTORY
OTES
On
29
Apr
1
Guerri l la and c i v i l ia n repor ts ind ica te
enemy s Baguio defcnsc fo rces have vsith-
drawn to~vardTrinidad and Top Side; large
troop concentrations re ported i n both
areas.
2.
ur patrols operating from Raguio reco-
noitered t h e sec tor
f o r
a rndius of approx
3000 yds iJ E and
SZ
~ ~ r i t h o u ti g n i f i c a n t
co nt act ; o a r a few s n i p ~ r s nd s t ra g gl er s
l e f t i n City.
3
Only sc at te re d i so la te d groups re~nzin W,
S T
and S of Baguio.
4
Enemy rnaking strong suicidal defenses of
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 35/82
G E N E R A L H E A D Q U A R T E R S
SOUTHWEST PACIFIC AR EA
MILITARY
INTELLIGENCE
SECTION. GENERAL STAFF
1-111: DAILY SUMMARY OF ENEMY INTELLIGENCE
IV:
G-2
ESTIMATE
OF T H E
ENEMY SITUATION
V: MISCELLANEOUS INFORMATION
No D TE
SOLOl IOiLTS
1.Bougainv ille : 26 Apr:
En
posn taken near Hiruhiru
2
m i E along Buin ~ d ) ;
a r t y ac ti ve Sora ten area ; 30
en
located Berryls H i l l (Pia terapai a rea) .
NEIV
GUIG3.A:
2 .Aitape-JIieviak: 26 Apr Ne ligm Vil lazes (approx 2000 yds ME Mapri :) cleared;
l r g nbr en Kalabu (5000 ycls SE Fkprik) and a grp a t IJalpa (2000 yds S
1.laprik); several en posns cleared Boiken area.
PHILIPPINES
3.l.ilindanao a ) Cotabato : 25/26 Apr : Pt 1000 yds 1 T Upper Digos (3 m i ' Digos)
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 36/82
A i r Cont d
Cont id
ICE
Area: a) 27 Apr: Sidate a/d l e f t crat ere d u/s
by
6 B-24s
b) 25; Apr:
Gorontalo Tanalnon st ri ps , ser v pr io r t o attack, l e f t crat ered
by
9 B-2Ls,
Sid ate 2/d appeared serv e
3 Kendari Area: 26 Apr
2
SE
n/c,
se rv undet, sig hted a t Tiworo a/d
by
search B-24.
Ic,Uakassar Straits:
25
Apr:
2
Fs intcptd ii d m
1
of
2
B-24s attctclcing ship-
ping vicirr i'.%kassar Town,
BOPJaO
5,Kuching 26 Apr 2 u/s c flgd a/c obsvd on taxiway by
B 25s
attacking a/d
area.
PHILIPPINES:
6,lkindanao:
a )
Night 26/27
Apr:
En fighter-bombers
bombed
Allied
PT
boats
off Davao area ; n i l
dam.
b)
27 Apr:
2 T/B
rp td concealed i n ljiangroves,
vicin Tacabuli
Bay;
adequate supply of torpedoes availa ble (ci vil ian s re-
port) .
FOrn~OSA
7 .N, Formosa 26 Apr Surfaced st ri p, excellen t condition, sighted midrr2y
between Taiholm Taien a/d s; s t r i p
w e l l
crflgd.
fJATiSEI SI-IOTO
8 ,Okinawa: 27 Apr a )
3
of
5
en a/c
desk
i n ra.id on J J l i e d shipping ( a l l 3
by
ships
AA
one a/c attezipted su icid e crash a f t e r being li it )
;
n i l dam
t o shipping; 0.5'301.
b) 8 of aFprox 25 a/c dest during attack against our
naval for ces (1 by N 3 by AA, 4 n suicide crashes; 2 vsls dan, 1 sunk;
2040-23151
JAPAN
9.Honsliu: Photos 23 Apr: Total of 331
a/c
revealed on 6 a/ds (area not
s ta ted) ; 7
Eak~
e t a/c: included on Konoike a/d Tokyo A i r center) .
CENT-UL PACIFIC
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 37/82
Navy Cont d
16.Swatow: a ) 27 Apr: 1 ugger s t ra fed beached, 20 m E.
b) f i r empty.
c ) 27 Apr: 1 ugger st rafed
c
seriously da~ age d 0 m i N W
17.HongKong: a ) 27 Lpr:
1
reighter (300/700~), 1 ugger, 1barge anchored.
b)
27
Apr:
4
riverboats anchored 9-60
m i
.f7.
NfiJSEL SHOT0
:
18.0kina~rra a ) 24 12pr: Sub conta ct 330 m i SE. b) 25 Hpr
4
Sub contacts
saine vicin.
c )
27
Apr: 1 destroyer damaged
by
suicid e boat; a f t engine
room flooded.
J A P U :
1p.Tsushima Strait: 27
Apr:
2 dest royers , c r s ESE, spd 12.
20.3. Yellow Sea: 27 Apr: 2 destroyers,
2
destroyer escorts, 1 r g t ranspor t ,
2
stack-aft vsls,
2
smaller u/i vsls,
5 m
;:
of Saisha
Is,
CENTRAL PACIFIC:
21,Ulithi:
2 5
Apr:
1
sub.
22.Yap:
26
Apr
1
poss sub, 150
m i
11m7
I V G 2 ESTIiiIElTE OF THE ENEkIY SITUATION
1 Smmary of the Enemy Situation:
a.
~ c t i v i t i e s n s or ward Areas
:
-
Northern Philippines
~ i z o n :Resistance continues SE of Camalig (Anbay); no opposition t o
t o landing a t Pasacao and t o secu ring of Naga.
200 enemy contacted
S
Del
Pi lar .
I n
S
Luzon, se ve ra l contacts nade sc at te re d groups Dolores sec tor.
Patrol clashes continued I It S14lepunyo and some stubborn opposi tion was
met
$
IJataansa h d o c .
E of Xinila, enemy a r t i l l e r y was f a i r l y ac tive
vic
j j t
Pacavragan; st ro ng re s is ta nce on idts Solslope.
Inf weapons f i r e re-
ceived 1 3/4 m
N
New Bosoboso.
Baguio secured against neglfgible re-
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 38/82
Enemy Capa bi li ti es Cont
2
Maintenance of
a) IiJegros,
b )
Ccbu.
c
Other Islands.
Operation s i n t he lu'ansei Shotos:
3) Continuccl Small Scale A i r Attacks.
02errticms on 11Lindanao:
1 ) Defense of ?findanno:
a ) Delaying Action >long the Davao iLpproaches : Against s l igh t ly
inc reas ing enerny oppos ition , 24tli In fa nt ry tro ops advanced 4 miles fer ther
e a s t to~rfirardDigos on
27
April. However, there
i s
s t i l l
no positive evidence
of a s ign igi ca nt force deployed t o deny our seiz ar e of th e Sinmilan-Digos Pt
coastc..l area,
A s
previously noted, the absence of f avom ble defensive te rr a ih
2nd already indicated possiSi i i ty of tke e s t z b l i s h e n t
o f
defei isivc l ine
along the Talofio Biver south of Davao, n i l i t a t e s ag ai ns t such a pro t racted
denizl of this imnediate arec fronting Davao Gulf
This i s fur the r supported
by th e continued passive enemy rea cti on i n th e Davao Ci ty are a rvith respec t,
t o our forced entrance i n t o Davao Gulf.
l l e i t e rz t ing the o r ig ina l es t ina te ,
i t i s
antj.cipated that the enemy
w i l l
prosccuto a s t i f fe n in g delay ing act ion
nround Digos and again s t our subsequent. nortl~v~zrc .dvcnces
t
o~ mr d he Davao
per ineter ,
b) Defense of the C en tr al Iiiizdanao t1pproaches : Thc Fnitiation of
a north~vard dvancc.via l;au%e 3 (Sayre Higliway) inet v i r t u a l l y no enemy r e s i s t -
ance on 27
ELencnts of tile
3
s t Division rcr.chcd a point
31 -
n i l e s
no rt h of Mab?.can tarhere Jags r7rcrc 1:5.1lcd i n th e on ly con ta ct d w ing th e
period.
?re-landirrg e s iinates placed app ro~ :im tcl g
8,500-9,500
enemy troops
between Ikbacan and Czgayan, a s t r i d e
t h e
S a p c 1Iigbt;czy road nct,
The bulk of
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 39/82
Enemy Ca pa bi li ti es Cont 119 Cont ld
IJorthern Highlands th er e has been l i t t l e change i n t he fr on t 1Lles; th e enemy
contiiluinf; h i s stubborn defense frail high grotuld.
It
rppcars that the ground
f o r
a
defensc i n t h i s arca bas been ~ ~ ~ c l lelected and developed,
k
seer.ingly
Yeluctance
t o
cnznge i n only a l i i i ~ t c d c t ive defense inf ers
a
hoardii~g
f
s t rength along ~ i t honsiderable dependence being placed on present posi%ions,
a t I ca s t f or the time bcing.
Zxisting -terrain, unless attackcd from the cast,
would permit a defenSe i n considerable depth; t a c t i c ?qhich appears l i k e l y
t o be f o l l o ~ e d .
b) Cebu: Since th e i r unopposed landi ng on th e north -ves t co as t
f th e is lan d, elcrncnts of th e 132nd In fs nt rp have n et only minor
resistance
t o t h e i r eclvc".nce inlan d and pzt ro ll in g nor th along t he coast .
The cr10r :3r i s
app crc ntl y vrithdr?~vsing o
t n e
cas t, perhaps i n an ci;tcmpt t o join troops i n
th e Sogod Bay ,?.sea. Gu er ri ll a forc os hzving cro ssed t he .i_sl,-.nd m c d i n t el y
south of Ccbu City, were
l a s t
reported i n th e vic in it y of Langqron Point.
Ihlring t h e i r advance nor th along th e west coa st, the y have made no contacts,
The 182nd In fa nt ry , advancing no rt h from Cebu Ci ty hhes renched Lil oan
nith
only xinor rcsist?.nce, I:est of the re, g ~ i . e r r i l l a ep or t sca'ctered encrcy
groups i n t h e h i l l s ,
Other elements of t he W n d , a f t c r a shore-to-shore
movc~~cnto Dznao, h;ve inoved no r th al ong t h e c oa s t a s f a r a s Catm7.n i n an
attem pt t o i rit crc cpt enemy ~ovc.ment n t h s v i c i n i t y cjf Sogod Elay,
Thus, i t
i s x ~ ~ p a r e n tha t the reminde r o f the
Cc;b\i
ga rr is on h2.s proi;r?bl.y vacated the
coas-i;zl areas ; th e x t t e q l c d concentration cf remnants inland i n Northern
Cebu for mutual pirotoction
i s
li cely posslbili-by*
c Other P s l a ~ d s 11: o.t;hcr i.cs teri? VisqTan Is la nd s, nopping
~p
peratiorls c o n t i - n e e &cl.os~rc No. 2) .
Operations i n t h e IJansei Shotos:
3 Co nt i~ ue d raall-Scale
iiir
Attacks : ~yp:: ~rent ly n~&ll.ilig
o
con-
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 40/82
r y 1119 Conttd
The f ollo~~sing-.Lc
>p.turcd ene-ny documents
a ~ d / o rR: i n t e r r ~ g c l t i b l e s i gn if i ca n ce ,
V J,USCEL1d7~iEOUSIJFOP2LZTIOTJ
1.
Rmor of
ekY
1nnLentj.ons Ezlete Pass,
PI/,
Su:,
PI&,
l ia son runner
HQ
Scc,
2
Co,
26
Ind
A/T
Bn,
T T ~ O
urrendered
8 hpr 45,
s ai d hc gzincd t h ~oll o~ rin ; in fo rm ti on Yrom 1st Lt, S.d<usai, Bn
Adjt:
a ) "Gen Yaar.sh ita Is 1at::st ;rounc. stra tLg;- -;<as t o mount a huge counter-
offensive i n the Balete Pass some time cround the ?r iddle of ~ ~ p r i l ,f t ~ r.he
ra in y secison liad bc,m and i J l i c d ai Ypo ~re r2s tl ius bccn nullified.
For this
counter-offcr,sivc th e 19 th hi v v~z.s
tc
b,. brought in , a s -;icll 3s the 30th Div,
the 58th
ILB,
and th e -two u / i di vi si on s
reported
t o h2ve lmdecl c ? , t >Lparri
as rcinforccnents.
b)
"1,z.te P L ~ 2 : icd sccn fuic Chiel" of Stcfi 01the 1: Div, mother
St?.ff "f fi cc r, 2nd th e CO of k7 Regt (In: ? cone to a b~ i l d i n g u s t sou th
of Rzpinta1,ln Br idr e fo r a coi~l'erence.
He
had l~ cn rd a t c r -t: lzt t l x Chief of
S ta f f 2 t t h a t t ime had 2roposccl t i e folloV.6ng st ra -t ~g y:26th Iildpt :./T En.
vr2s
t o ho ld Ii?.pintalan tjo tho la s- t x.n.
Our
tro ops vrould be allowed t o c,d-
vance as f a r
as
gra ss y v a ll e y due west of 1kyintal;zn Bridge.
TIlcil thc Sato
iVIed.i.w~tl o r t ~ rb :rod-d c ut off t h e i r l2 se of caxu-&cations with no rJ c r f i r e ,
vrhilc
Jap
fonrard elements, us in,^: 211 ti ic ir c7.vaFlablc firopcTzcr g w ~ s th c
30
;Zs,
SLY
k7
gulls, and two
37
1.m
g a s ,
as ~r rc l l
s,
s x211
?rms
f i r e
-
15-culd c,luriliila'cc our forces from the front,
Fro]? I uorps
-
TIS Adv Ech in-
terrogation of
i7i
25-2-13055, :&iya~w., Tnkmasi.., L U ~ i t , 1-Q Sec,
2
Co,
26
Ind A/T Bn, surrendered vi c IC~,pintzl-z,Luzon,
8
iqr
45;
IC. aI 01112 pp. 3 , b
2.
Jap
Order
To
K i l l
N i
k .tiv~s.
Notebook ccpt :y I G Co o
-cs t of the Lckc Sector Unit, includcs the fol-
lovL6n~long entr ics dated 3.3 ?eb 4.5 o 3 ;hr 45:
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 41/82
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 42/82
1.
27
Apr: Elements of the
124th
In f , i n i t d a t in g
a
northward movemen cver Route
3 sayre
Highmy) k i l led
3
J2.p~6,000 yds
IJ
of Kab-
acan Road junction and captured
1
Korean
4 000
yds N of
the
road junction.
FI I
identified as me:?iber 9th Co,
3rd
Bn, 7, :tli
nf (30th
Div)
s t a t ed h i s bn
moved N
moi~thspreviously.
2.
25 Apr
Guerri l las report approx 5 Japs moving E
f ro n p t 10 miles h 3 Digos.
3
2 A :
Portion of Route
1
im e d i a t e l y :l of Digos
found t o be mined v i t h a e r i a l bombs.
Tirvo
enemy pillboxes, supported
by
mortar f i r e ,
loc ate d vick1it- j; Digos, s tron gly re s i s t-
ing our advance; unreported amount of oppo-
sition clicountered along Route 1 \J of
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 43/82
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 44/82
EXPLANATORY NOTES
1
Panay: Guerrilla report enemy concentra-
tion
Ni?
Sucan,
20 m i
lJ I Iloilo.
2
Enemy continues stubborn resistance from
favorable ground in Northern Highlands.
3
Dumaguete airfield and town wsre secured
by -l.pproxLmately 7001 26 apr the Japs
hacl burned several buildings and with-
drzwl West; main enemy position is re-
ported in vicinity Badiang-Odlumon
approx 7 miles I i of Dumagucte); estimat-
ed strength
400
Bohol: Only minor scattered contacts
nade as our troops scour south half of
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 45/82
G E N E R A L H E A D Q U A K T E R S
S 0 U T H W E S . r P A C I F I C A R E A
MILITARY INTELLIGENCE SECTION, GENERAL
S T A F F
1-111: D A IL Y S U M M A R Y O F E N E M Y I N T E L L I G E N C E
IV: G-2 E S T IM A T E O F T H E E N E M Y S I T U A T I O N
V: M I S C E L L A N E O U S IN F O R M A T I O N
No.
1118
D A T E
26/27 Apr 1945
I
GROUND
SOL0:IIOMS
1.Bo ugainvill e: 25 Apr:
En
shel l ing
2
m i
SSr7 Poro Poro; patrol clashes
i
'-3iF'i Toltai (Yorina R ar ea ); en a c t i v i t y appro:: 4 m ST Rurniki; 32-m S
IJihero, and
1
m SE Kapana; sh el li ng cont inue s Tokinou area.
iJ%17
GU IN EA
2. Aitape-TTe~firak 25 Apr Act ive pa t r o l l i ng continue s Ekprilc sec to r; en posils
l 5
B JZ
JiIaprik clea red; nat ive s r p t Jarjs
;
ake Izbia; area 1m SE t o
I
m EST
Coilcen cleared.
PI~IL~PPI~ES
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 46/82
I1
AIR:
BORIEO
1-fiuching: 26 Apr: S ingle en a/c (poss
T/B)
2001 over a i r s t r i p , sh ot down by
2 T-38s; noon,
PI1ILIF?IIGT S
2.N. Luzon: a ) 24 Apr: (p rob) : 2-3 en B s dropped 11bo:nbs 32nd Div r e a r a re a;
sev ca s cons ider able dam; ea r l y evening.
b) 2h Apr: Single en a/c s t r a f -
ed 25th Div inst l tns ,xi
N17
San Jose; no cas P s l dam; 214CI.
FOFJiIOSA
3,Cienzral: 26 Apr: Recent photos show 82 se r v coiilbat a/c sc a t t e r e d on
31;
a i r -
f i e l d s ; n i l
a/c
24 f i e l d s ; 138 dummies, 102 u/s tr a in e r s,
96
u/s Bs
5
se rv t r a ine r s .
4.1,:.
Coas5: 26 Apr
4E
F/B shot down by
2
P-38s.
5. Kiirm:
26 Apr en
Tpt
a/c shot down by P B ~ Y
mi
ICiirm; 18401.
FRzjJcII 11t30
CIyIITA:
6,Saigon: 26
npr: a)
en Fs avoided 4 P-38s escor ti ng B-24s.
b) uneager
F obsvd by
P B ~ Y ;
lk00I.
NiiBSEI SHOT0
7,01~:inavra: a ) 26 Apr: Sev en a/c approached area a t low a l t ~vi t hc ut s l t s ;
0230-04451; en
B
shot down by LCS
off
HE
coas t Okinavra; 03471.
b)
25 Apr:
No en a i r a t t a c k s f r 24/24001 t o 25/21;001 TF 51).
JLU~A~J
8.Kyushu: 26 A p r : R i l in tcu tn , n i l en a/c s igh ted by D l
P-51s
oil escort
illisson (v~eatliere x t r e m l y
bad
e-moute, ovcr t g t
O
r e twn) ; p l aaes , 6
pi lo ts missing.
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 47/82
T
G 2
ESTIUATE
O
THE ElJi3llJY SI'L'UATION
1. St--ry of t h e Enemy Si tu at io n:
a
Ac ti vi ti es i n Forward Areas:
-
zorthern Phil ippines
Luzon: Two minor co un te ra tt ac ks rep ul se d
3/4
miles SE
Camalig ~1-
bay).
Sc att ere d movements of enemy i n Ternate and Lemery (Salayan Day)
areas; possi'oly 2 cos a r e defending M-S l i n e ME of Sulac. of ?;Zznila,
numerous ya t r o l cl as he s ?,It &tapad-Pacawragan area .
Some defenses observed
8 miaes NJE of Tanay.
I n N Luzon,
stubborn resistance met 1mile NN
Ir is a n and t o 700 yds
of Baguio.
Strongpoint encountered 1200 yds
S1 I
of City.
Arty f i r e decreased Vi ll a Verde Tr a il but determined ground re-
sistance continued.
Ik i n defense l i ne Bclete Pass i n
Vlf
wit11
apex
l'j'00
yds N of Kapinta-lan; a r t y increased t h i s se ctor.
IJuis.2nce ?a ids s t r a f i n g
a'tta'cks- by 1 3 en n/c .
Southern-Central Philippines:
itindanao Some iiIG and mortar f i r e rece iv ed 55 yds 3. of Upper Digos;
no other signif icant contacts .
Cebu: B-tinated
500
enemy contacted
1
3/4 n i l e s I J Cogon; sone re-
si st an ce i n mountains of Compostela.
ISegros: Enemy c o ~ t i n u c d o defcnd from
elaborately
prepared
posi t ions
I i l l 3155 and S of Negr itos ; minor coun era ttack vias repu lsed , &eny
b u r ~ e dDuimguetc Ci ty; no signific:,n'c opposi tion ; pos it io li s on S b?lilc
lbs log li abandoned.
Jolo: Sc att er ed conta cts continued on inlz nd high ground,
New Guinea Enemy posi1;ions 1 rklcs TQJZ of Jkpril:
a i d
1mile SE of
Boiken.
Eougainville Enemy a r t i l l e r y c onti nue s t o
be
received 2 ,miles SSft; of
memy Ca pab ili tie s r y 1118 Cont'd
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 48/82
probably with increasingly s t if fening delaying actions as Egos i tself i s
approached.
Although prelanding day enemy st re ng th i n th i s se ct or was estimat-
ed as approximating two ba tt al io ns , presence of maneuverable t e r r a i n and th e
enemy's general aversion thereto coupled with indicated defensive deployment
along tile Talomo River t o th e north (sea Daily ~ u ~ n m r yo. 1117), suggests
t h a t
any
de fm se i n t he Digos a re a may ollly be of a nominal nature as he
ult im ate ly prosecutes a coas'tal delaying actio n t o th e north t o h is prcsu nably
es ta bl is he d po si ti on s sou th of Davao. (see Enclosure No. 1 )
Operations on Luzon
2
Defense
of
the k l e L e Pass Since the occupation of Eapintalan
on 21 April b? the 2nd Bn,
5
t h In f, enemy resis tance i n tho sec tor has notico-
abl y softened. East and west
of
Highmy
5
our forces have advanced several
thousand yards agains t c~m~arat ivdlyighl; resistailce, iaiile i n the center,
troo ps as tr id e th e hi gl i~ ny ave made smal ler gains again st iaorc dutermined re-
sistance. Yesterds~r he enepyls fr on t lines south of Bslete Pass
had
taken
the fo rn of a IIVlt with thc apex aplxoxSmately 1,500 yards nor%? of Kcpintalan,
and the sid es follovring pronrinent ri dg es north-west and north-east,
It
i s
poss ible the se formidible te rr ai n fe atu res may form the backbone of another
min l ine of res is tance .
It
i s inter estin g t o note th at , wherecs i n %he past ,
our tro ops have not been a ble t o fi nd a weak spot i n the enemyls f r ont l ine s,
k l~ e a s t hvo days has rev ealed th e enemy defending from unconnected s tr o~ gp oi nt ,r
which, i n ti;ree d i s t i n c t insta nces , our fo rc cs have by-passed wit11 only minor
int erf ere nce . This would suggest se ve ra l poss ib il it ie s. The enemy may be
using th e stron gpo ints t o delay our advance ll~hile e f a l l s back -to t h e above
suggcs tcd l i n e of defense; he may now be faced rrith an insoluable problom i n
logist ics , vis : reinforce~nentand supply; or, he
up
f e e l t h e t a c t i c a l v n l - ~ ~ ef
a continued defcilse south of the Pass does not nos z e r i t the cost.
The lat ter
two suggestions - r e fur ther intimatad by several ind ications of a ric?J:ening a t
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 49/82
hem;- Ca pa bi li ti es Cont d
Contld
df t e r sccuri 'ig k m g u e t e a ir f i el d , novernent inland V ~ S uickly initiated t o
intercept the ~d..ti.ldra:~~tllf enemy troo ps t o the Odlumon-Babiang crreas,
9
miles
1 5 of Dumaguetc.
In Southern Negros, the enemy re ta in s no si gn if ic an t c ap ab il it y
t o in te rf er e vdth cu rren t opcrai; ions on t he islc.,:ld.
His r ea cti on t o yesLer-
day s landing I Y ~ S l lar:lcteristic;
s @me att cmpt
my
be Inad- to join elements
cu rr en tl y defending i n t h e Northern I-Iighlands. Ho~*iever, h e d is ta nc e irlvolved
and
t a l ~
or cc s a r c a st r id e or -ivhich could be noved t o in'cprdict with-
draw21 route s, preclude th e su cces sful junc ture of a si gn if ic an t number of th e
Southerr, Negros ga rr is on .
Operations Along the China Coast:
5 140ve~lentof Convoy: During t h e p a s t seve ra l
weeks
sh ipp ing x t i v -
i t y nlong the China
and
Indo-China co as t has been notab ly absant of convoys,
~ 5 t hhc ,enclqT l i ~ i t i n g is movments t o unescorted nercliant ships sin gly or
i n sma.11 numbers. Consequently th 2 si ghJ ~in g n 26 H p r i l of 3 ships composed
of dcstroycr es cor ts and fre igh ter s, 50 i n i . 1 3 ~
SXE
of EIongKong on
E9 ,Tfl3
course
i s
of part icu lr t r i n t e res t a t t h i s time,
i n vietiv of what haas been consid ered
an sf fz c ti vc blockade of t h e South China Sea by our a i r c r a f t and sub:narines.
iilthough this i s t he f i r s t sig hti ng reported of t h i s convoy,
the
p r o bab i li t ieg a r e t h a t i t
originated
i n
tns:
Saigon erea ~irhich s the on ly por t
where a si ze ab le tonnage of ship ping has been rece iit ly cbservcd.
On
20
photographs
revealed.
48
vessels of 21,000T and
a
new type mninelaycr).
01: n t e r e s t iii? -his connection is
2
r ~ c c n t r irated Chin;:sc repor t
t h a t t i e Ja..ps
v r i l l
~ a k e l o . s t z~%tcn~pto rcnlove nate?i..?.ls from
IJ2lay3,
Burma,
and Indo-Ci~ina
by
the end of Junc %sing 140 cargo ships nd avai lab le escorts .
The
encniy has al.perently nade a s u ~ c e s s f u l un of
the
f i r s t l ap
of h i s long gaunllc'c t o t he &pire and i f he
i s
successful i n t h o a t t eq pt ,
k
9-I
f $ , $ i d >
g
" " 1 ~ ~+,
.
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 50/82
8
- Contrd
d ~ ~ ~ e k i d ~
b.
Relat ive Probabi l i t ies :
-
1 ) Def€nse of t h e DaL<ao~'~pproaches:rescnce of ~ 1 ~ n e ~ v e r a b l ee r r a i n
and the energ's gencral aversion thereof coupled with indicatzd defengive de-
plowen% along th e Talo:?lo River t o the north, suggests t h a t any defense i n
the
Digos ares
i3ay
onl y be of
a
nominal nature as he ul tim ate ly prosecutes
a
coas ta l delq- irzg act ion t o
t ; ~ e
or th t o 115s presuniibly es'catslis ied po s it io ns
south of Davao*
2
Dercnsc of the
Baletc
Pass:
Ow
recent coqxiratively large advances
azclinst no tice ably decr eas ed -rcsLstance, c o ~ p l c d sith t he enemy's defending
Zrom strongpoin'c s onl;r, su gg es ts he
m2y lack
the s t rcngth
t o
maintain the
Zormer s trong c onsi sten cy of h is defenses..
3) Ituisance Air Raids B i e q cclpzbili ty of exzcuting is ol at ed nuisance
r a i d s
i s
l i ke ly t o cont inu -e f o r
SOLE
-Li~;lle ,
p a r t i c u l a r l y
- s
t o lior thern Luzon.
4
ii$ixirwrnl i n
S
l legros: S ou th ~ rn kgros, th e cneny re ta in s no
si
gni-fic2nt cc?;pabil ity t o in te rf
r ~ri'ch
cuzran-t; o g ~ r a t i o ~ sn thc: island.
I j is react ion
4Lo
:TcsLerdayt
s
landing
7;12,s
charnc ter f s t i c
;
sorne atterqt
rmy
be
32de
t o join clclncnts c ur re nt ly dcfeilding i n th e ilorthern ifighlands
f.lovraver
t h e dis tan ce involved and
t fne
forces which aro- astride or
could be
noved t o i n t s r d i c t -tii-Ehdr.rk~vzloutcs, prachlds the succcssfu?. j ~ ~ c t ~ ~ ef a
s ign i f ican t i~unbcrof th e S outhc ri~ tegros garrison.
5
l ~ ~ o ~ ~ e m c n t ~
f
Convoy: The
crier-q-
has app are ntl y :lade a succcss i'ul
r'm
o f
t he f i r > t l a p
of
his l ong g r w t l e t t o the B.~ph-eand. i f
ha
i s successful.
i n t h e a-bteml?t a rcsun;-ition o f convoy t r zf f i e
;na;~
be ~ ~ ~ e c t e d ,
*
6 Fl ee t Disposltions ; Gisyersion of cneny f lcc t w i t s prcbably pre-
cludes
a
f l e e t s o r t i e
r
hc near future.
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 51/82
EXPLAIfATORY
N O T S
1 5
A j r
Estimated 8 enemy contscted i n
vicinity Bd-atukan;
Japs
k i l l ed ;
remsinder ~ v i hdrev:.
2. 6
Apr A ~ y ; r o ~ : i ~ t e l y
000
yds
E Kisanto an
estirna5ed Co bivouac, reportedly
o c c u p i ~ 3 n a n 1 troops,
was
found
evacuated Jap
machine
gun
crems
LL0O0 ds E
K i sz n b r e t i r e d a f t e r
beirig fired
upon;
c?ppro~ mztely
Japs equipped ~it l1hree machine guns
eiigaged.
30 30
yds of the town;
a i r
obscrver reports that 55CO
yds
V
o f
upper
Digos
our troops were receiv-
i n g
Ll and
mortar
f i r e
from an un
e s t b a t e d
number o f enemy.
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 52/82
Military
Intelligence Section
eneral
Staff
ioimmm
t 6mIrn SrnWLil i i4
TO z p x a & 5
q p 5
u 7
bz ivimarz a. U 8
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 53/82
Ort
6
4pr:
2 2nd
E h
27th Inf, m d e night a t t ack
advancing 2,000 yds zgainst hi1 op-
posi t ion, and
during &Y
seiz ed posi-
t ions on
; lgh
go-w-d 2,000 yds SE of
and overZo34ing Balete Pass.
2 , n High17.y 3 an enemy strgngpoint
800 yds IJ of Rzipintalzn was by-pass-
ed;
2nd Bz,
35th
fn f
adva,nced t o
positicns 1,700 yds NB of t l ie village.
3.
Agsinst only minor sporadic r e si s t -
ance, 2nd En, l6 l s t In f , advanced
TIW d o n g
a
r i dge t o pos i t ions apgrox
3 500
y6s
STp;of Pass
,
4.
1st Bn,
126th
In£?
at tacked SB t o
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 54/82
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 55/82
G EN ERA L H EA D Q U A RTERS
SOUTHWES T PACIFIC AREA
MlLlTARY INTELLIGENCE SECTION
GENERAL
S T A F F
1-111: DAILY SUMMARY OF ENEMY INTELLIGENCE
IV:
G-2
ESTIMATE OF THE EN EM Y SITUATION
V: MISCELLANEOUS INFORMATION
No.
D A T E
SOLOMONS
1.5ou gain ville : 24 Apr: Signs of enemy a c t i v i t y
3/4
1 ,
2 and
mi
SE
Tokinotu; enemy she ll ed posns m i S Tokinotu;
s m
~ a prps sighted 1
.mi
S3T Horinu; s t rong enemy posn 1mi
E
Puto Paia (5 mi TOJ ~ i a t e r a p a i a )
Jap at ta ck rep uls ed Mipia; enemy groups con tac ted 2 m i SST Poro Poro,
NBJJ GUINEA:
2,Aitape: 24 Apr 25 Japs moving 11 f r 1-3/4 m i EWE Maprik; enenyrptd
withdrawing from Bainyik; siq arms ammo dump 2300 yds S of Boiken and
rad io s ta t i on 1/2 m i S Kumudu captd,
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 56/82
a ry 1117 Cont'd
I A I R :
IJOLUCCAS:
1,Soel2 I s : 25 Apr: ~ / d bsvd on bV t i p of Taliboe Id.
CELEBa
:
2,Makassar Area: 25 Apr: F
dam
of B-24s bombing Boeloedowang a/d;
F/P t r ni le d formation.
BORNEO
:
3.Labuan: 25 Apr: poss TE se rv a/c on Labuan a/d.
4.Natoena Is: 24 Apr: Rlway a t Soebi K e t ji l re pa ir ed s in ce at ta ck of 23
Apr
PHILIPPINES
:
5,Mindanao: 25 Apr: a ) en a/c st ra fe d t m n on Sl i coast of Cotabato
Prov; 11301.
b) en F str afe d vi ci n rd junction 2; n i l cas; 16501,
FOrnOSA:
6 .s.
Formosa: 24 Apr: made pa ss aga ins t B-24s bombing Tainan a/d.
7,N. Formosa: Night 24/25 Apr: 3 en a/c over Taihoku evaded by B-24,
FmNCH
I N L l O C H I N A :
8,Saigon: a ) 25 Apr: i ) N i l i n t cp tn
by
3 a i rbo rne Fs t o 6 B-24s attack-
ing Saigon tgts ,
i i ) 3 Fs ag gres sive ly in tc pt d dam PB4Y at ta ck in g
shipping i n Mekong Riv er, b) Photos 22 Apr: 20 serv a/c (13 TE
Bs,
7
FS on Tan Son Nhut, bo th rlv;ays se rv .
C H I N A :
%Shanghai: 5 Apr:
N i l
intcptn by 3-4 air bor nc Fs t o 2 B-2Ls; 0140-04131,
JAPAN:
10,Honshu: 24 Apr: 70-80 a/c in tcp td 105 B-29s bombing Hit ach i a/c fac tory
nr Tokyo; 13 a/c dest ,
48
prob dest or dam B-29s missing.
11,Kyushu: 23 Apr: (prob) 12 ba rr agc ba lloo ns obsvd v i c in Miyakonojo,
Navy - Cont d
r y 1 1 1 7 - Contfd
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 57/82
HAINAN
:
18,Yulin Bay: 25 Apr:
A/C
reported bay empty.
CH INA
COAST:
19,Wenchovr: 25 Apr:
1
destroyer, 75
m i
SE, c r s NExN spd 10.
20,Slivatow: 24/25 Apr:
1
med,
1
m
ship,
55
m i
ENE.
21,Iiacao Area: a ) 24 Apr:
4
med ri ve rb oa ts sunk, 2 medium ri ve rb oa ts , 1 m
f r e igh te r , 1p at ro l cr a f t damaged. b) 2 5 Apr :
1
ra ns po rt (7/?000T), 2
tugs, 2 fe rr ie s, river boat s, sev era l barges a t Macao.
NANSEI SHOTO:
22.0kinawa: a ) 25 Apr: Su rfaced sub sig hted, 250 m i W b ) 24 Apr :: sub
contacts vicin 25
m i
from Bolo; 2 o i l sli ck s; prob
1
or more midget subs.
c ) 2, Apr: Sound co nt ac t,
29 m i from Bolo; at ta ck negative.
23,~al:ishima: 25 Apr: 2 fre ig ht er s ( 1 0 0 ~ ) lew up, 40
m i
NE
Ishigaki,
IV
G-2 ESTIMATE OF
THE EI EMY
SITUATION:
1 Shmmary of t he
Enemy
Situat ion.
a. A ct iv it ie s i n Forward Areas:
-
Northern Philippines:
Luzon: I n S' iuzon, enemy ro ck et s were ac ti v e
1
mile SE of
Camalig stubbo rn re si st anc e continued from high ground 2500 yds
SE of town. E.~ ,ensivepa tr ol li ng other Bicol a reas made no conta ctsi
E a s h f Iblanila, heavy opposi tion co ntinued on 2,lt Pacawagan,
memy
defense on V il la Verde T r a i l and along Hmy 5 was a c ti ve and stubborn;
a r t i l l e r y f i r e was inten se and accompanied sev era l lo c a l counter-
a t t acks ,
Our troo ps se ized pos iti on s 2700 yds lit of Imugan and 2300
yds SE of Ba le te Pass.
I n the Baguio area, in te ns e Lnfantry weapons
f i r e . r ece ived Hwy 9 and during capt ure of D t Tlirador, 1,000 yds W
of Baguio.
Heavy a r t i l l e r y appears t o have been emplaced wi th in
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 58/82
Operations on Luzon:
2) Delaying Action Morth of 3aguio.
5 - e ra t i o ns i n MEI:
3)
Coatinuat ion of Shi p~ in g,
Operations on Sfindanao
1 ) Defense of th e Davao Approaches On 25 April, 34t h In fa nt ry
elements continued t h e i r unin terr upt ed southeastward advance a s a n addit-
i o n a l 15 miles of Eoute
1
ware secured.
The only enemy contact established
-#lras i n
tine
v i c i n i t y of Sulatdcan, a-cproximately 1 6 miles west-northwest of
Digos on Davao Gulf, 7:here an es tim ate d 40 Jap s withdrew southeas tward i n
th e face of our ad~rance. Several gu er r i l l a rep orts of eneny a c t i v i t ie s
during
3
and
4
Apr il provide some clue as t o hi s pa tt er n of troog move-
ments and pos si bl e i n te n ti ons i n South NLindanao.
One stated that enemy
tro op s froln IZoronadal ( ~ a r a n g a n i ay ar e a ) were ~Yithdravringnorth toward
Davao v ia ci rc ui to us inl an d ro ut es , In view of our dr iv e toward Davao
Gulf, ~vhichw i l l i s o l a t e enerny troo ps south of Route 1,
t
was t o be
an ti ci ya te d th a t some atteinpt ivould be made t o e x tr ic a te t he Sarangani garr-
isons,
This f l o ~f t r a i f i c may be expected t o continue, i f not increase,
during h e course of which sc at tw ed harassing a t tac ks may be ca rr ie d out
ag ai ns t our narrow L of between Cota.bato and fu tu re ;oositio ns on Davao
G u l f
A second rep ort disc lose s t h a t an uqletermined number of e n e q
ar ? c onc entr ated imn edia,tely no rt h and so uth of Highway 1 a t i t s Digos
terminus.
lihether th e enemy has any in te n t io n of employing t he se personn el
i n a defense 02 or a delayin g ac ti on bef ore Digos, s qucstionable,
Hoslvever,
th ei r presence giv:~shim a capabi l i ty of comi i t t ing these t roops t o e i t he r
of the 'avo xis sion s mentioned above. Gu er ri l las al so claim t h a t an
estimate d 5,000 Japs, formerl y lo cat ed
i n
th e Tibungko-Ilang ar e a (Gulf co ast
Enemy Ca p ab il it ie s Cont
1117 Conk d
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 59/82
probable t h e enemy planned t h i s withdrawal t o pos itio ns north and north-
east of Highway
9
once hi s I r is an l i n e was breached, ra th er than conduct
a f ro n t a l defense of Eaguio, desp i t e the f a c t t he los s o f the C i ty v i r t ua l l y
cut s off hi s for ces t o the south-west and south, Continued res ist an ce along
th e Philippine-La Trin idad T r a i l :would sugg est he
i s s t i l l
concerned with
the ex t r i ca t ion of t roops from the i rn~ edi a te rea .
I t
i s reasonable to
assume t h a t t he more probable lo ca ti on f o r subsequent delaying ac ti on s would
be e a s t of La Tr in id ad on Hi~hzvay11 i n the mounta in passes ra t he r than i n
f r on t of the
town where he ivould be c omitted t o defend i n r e la t i v e l y open
c0U.iD.t~~.
With th e f a l l of Baguio, th e eneny is probably concerned
with
th e securing of La Trinidad only so long as
i t
t akes him t o ex t r i c a t e
h i s fo rces f roin the sec to r , and th a t e f fo r t s w i l l be d i r ec ted tow ard
pr ot ec ti on of Sighway 11 t o th e nor th of the Ci ty through a se r i es of
delaying ac t ions gen era l ly as t r i ae t lie road,
(s ee Encl. No. 2).
Operat ions i n
N E.I.:
3) Contin uation of Shipping: Des pite th e prox imity of th e Tala-
ivan a i r f i e ld s and th e inc reased a i r a c t iv i t y o f our da i ly sh ipp ing sweeps
and searches over th e Ibkkassar S t r a i t s sec tor , rece nt s ig ht ing s indi ca t e
that the enemy
i s
p er si st en tl y keeping open h i s se alan es t o th e more impor-
t a n t p o r t s i n t h e s ou th er n a re a . On Apri l 20, search a/c repo rted 1 a r g e
escor t , s f ia l le r escor ts , 1 (7/9,000 on) t ranspor t , seve ra l small s tack-
a f t v esse l s a t B al ikpapen; 1 (10,000 Ton) freighter, 2 sm al l e r f r e igh te r s ,
many smal l stack-af ves sel s a t Salnarinda N o f ~ a l i k p a p e n )
Considerable
shipping was pr ese nt a t b ot h of t h es e p o r t s t h e f ~ l l o ~ z i n gay.
On 22 April ,
a convoy of 2 gunboats,
2 (2,000 Ton sJ;sck-al.i v ~s ;; c ls acd
ot he rs (prob. t an ke rs ), was observed heading
l
off Makassar.
On 23
Apri l
a/c s ighted 1 (9/12,000 Ton) tra ins port, 1 (2,000 Ton) stack-aft vessel
6
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 60/82
problem of re la ti ve str en gt h assessment.
From a
GHQ
viewpoint, emphasis
i s na tu ra ll y on acc ura te fore ca st s of major enemy
u a i t s g
v i z : Brigades,
Divisions, Corps, etc,;;
i t
i s gra t i fy ing t o record tha t major
units,
o r
groupings, have in va ri ab ly been recognize d throughout th e campaigns of th e
STSPA; the e r r a t i c facto r of ser vic e elements has consequently had l e s s
t a c t i c a l o r s t r a t eg i c s ign if icance ;
i t
haL
not substant ia l ly affected our
operations i n each area.
The reco rd shows t h a t e sti ma ted numbers mere
ul ti ma te ly accounted for , i n sometimes pr ot ra ct ed mopping-up opera tions , vi e
:
_____ ..----..
I
F7X2
STRZNY I N COkBAT
LOCALITY
GHQ
EST (a )
D0CTi"ilENTS (b ) COUNTED DE D
Admiralties
4,000 4,200
4 143
( 4
'iiakde-Sard
6/9,000
6,650
4,109
5 625
2,400
27,180
75 525
238,875 (f)
I
8 516
4
2,987 ( c )
---
791359 ( 4
120,863
Bia
k
Ifoemfoor
Leyte Landing
4/5 90
2,600
25,000
Leyte campaign
55,000
Luzon
160,361 c)
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 61/82
EXPLANATORY NOTES
1 24
Apr:
i r
observers rcport no enemy movar,lsnt
Sayre Highway ex cep t ru ck s si gh te d
nea r Omonay 10 miles N o f ~ a b a c a n ) .
2 24 Apr: Estimated
50
Japs r epor ted by c iv i l i ans
i n v i c i n i t y Kidapzwan.
3 24 Apr: G u e r r i l l a s s t a t e some movement by enemy
t r oops i n t h e Koronadal s ec to r ~a r a ng -
a n i Bay area) t c Davao poss ibly vi a
t r l i l s N from Lake Buluan t o vi c i n i t y
Kidapawan then across
N
slopes Apo,
4 5
Apr: Approximately 40 Japs contact ed 1,000
yds
N
Bulatukan; ct hc rw is e no enemy con t2i -
e s t ab l i s hed i n SE-wsrd movement toward
Digos; a i r obs,zrver re po rt s 7 br idges
S of Bulatmkan burning.
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 62/82
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 63/82
ZPLANRTORY NOTES
1 25 Apr: Elcments of 25th Inf occupied p c s it i o n s
2,900 ya.rds SE of B s l e t r Pa ss ~ibithout
opposi t ion.
2. 24 Apr: Approx 500 rcunds o f a r t i l l e r y f i r e f e l l
on 32nd
iv
f r o n t i n S al sc sa c P as s t o
mark heavie s t concont rs t i on y e t r ece iv-
ed i n any one per iod by our f c r c e s on
Vi l l a Verde Tr a i l .
3 24 Apr 2nd Bn, 12 9t h I n f , suppor ted by a i r
s t r i ke s , t anks, 2 r t y and t ank de s t r oye r s
s t t a c k s d E on lir;y a g a i n s t s t r o n g enemy
r e s i s t m c e and se ized cemetery , 1 ,500
yards
PNV
of Baguio;
1st Bn, 129th Inf
pas sed t hr ou gh th e 2nd Bn and occupied
pos i t i ons on M Tdirc.,dor 1,000 yards V
of Eaguio) a g e i n s t an e s t enerny co.
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 64/82
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 65/82
G E N E R A L H E A D Q U A R T E R S
S O U T H W E S T P A C I F I C A R E A
MILITARY INTELLIGENCE SECTION. GENERAL ST FF
1-111: D ILY S U M M A R Y 1: E N E M Y I N T E L L I G E N C E
I V: G-2 E S T I M A T E O F T H E E N E M Y S I T U A T I O N
V : M I S C E L L A N E O U S I N F O R M A T I O N
No
DATE
111-6 24/25 Apr 1945
SOLOI22IJS:
1.Bo ugainv ille: 23 Apr: E n o r con-Lack continu e Tolcinot-u and Eihero s ec to rs ;
a r t i l l e r y f i r e recvd Soraken se ct or ; en gun ernplacenent lcnocked out;
host i le s i le l l ing and a Jap at tack repulsed Horinu sector .
GiJIiJF&:L
2
.&itape-T.', ~rz,l: 23 Apr
:
Posils -t%c 1Idacha occupied; s eve ra l :?liner p a t r o l
clasiles
.
PflILIPPIEJsS
3.ifindanao': a ) Cotabato: 23 Apr: F er ry cr os si ng Pulang i R 3500 yds N r d
1116 Cont ld
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 66/82
I AIR:
JAVA
:
1.Soeraba ja Area: 23 Apr: a ) Scv
TE
a/c si gh te d a t Tandjoeng Perak a/d.
b
Lone SZ a/a obsvd a i d ~ o r n e ver Soerabaja S t r a i t s ,
C3LEBRS
:
2
.&nbesia: 23 Apr Single a/c s ighted a t h b e s i a a/d.
BOl?XEO:
3.1dangro~e
3t:
23 Apr: 2 non-aggressive Fs sig ht ed 10 m II, by search a/c;
16261.
jang: 22 Apr :
a )
Poss a i r s t r ip s ighted . b ) Air s t r ip a t S ibu,appeared
serv.
PHILTi'PI; ES
5.~uzon: 2L Apr: Lone en F dropped 2 bombs
?
s t ra f e d ar e a a t T a y ~ g N. Cen-
t r a l P l a in s) ; 5-n 4 K I A , other cas sus-hailled; 21301.
FOR] TOSA :
6.il;iirun: 23 Apr': Lone @ t a/c s ighted 35 m i
N,
c r s ?I?,, by patrol a/c;
06251.
7,Pcscadores: 2L Apr: 2 u / i Fs were evaded bjr
2
~-2 ~s.
SOUTH
CTIIEIA
SEA:
8.Flian Thie t Area:, 23 Apr:
4
u/ i
SE
a/c stglited
O
m i
E&J, c r s IQTE, by
p a tr o l a/c; 12001.
,
i5kl:SEI SIIOTO:
9.lMyalco 22 Apr :
15
of 25
en
a/c de st avl?ile taking o ff, by US c a rr ie r a/c.
10 IshigakF: 22 Apr 4 n a/c shc t dovm y
US
ca r r i e r a /c.
JAPAId
ll.IIor_shu: Pi~otos22 Apr: To ta l of 052 s e rv en z j c
5b
TG 683 SE) revealed
i n coverage of 11: akds c
F P
base (,Tokyo t Bagoya i s Centers).
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 67/82
17.Grea-t iiatoena
Is: 3
Apr:
1
picket boat a t tacked off S coast; douStful
r e s u l t s
HIIIIJAPJ
:
18.Sainah Bay:
23
Apr:
1
anker (7/10,300~),
2
f reighters (3500/6000~) ,
2
u / i
v s l s i n v ic in , c r s
is
spd unkno~vn,
19.3akli Bay: 2 3 Apr
:
3
f r e i g h t e r s ( 7 0 0 ~ ) )
1
f reightcr- tpt (300/1200~) .
CHIXA
COAST:
20,Svfatow:
24
Apr
3
freighters (TOOT)anchorsd,
21,KonsRong a )
3
Apr
: 1
ugger sunk,
27 m i IT.
b ) 24 Apr
:
nedium river
boats sunk,
2
damaged,
1
r e i g h t e r ( 7 0 0 ~ ) nd
1
patrol craf t danaged,
70
m IPFi.
22.Xacao:
23
Apr
:
merch v s l
(, J~ooT),
23. General 24 -4pr: Canton, fIongfiong iibr s e,npty.
IJAiLrS31
S lO_TO
24,Okina~w Area:
24
Apr: pos s sub sound cont ac t,
5
mi from Bolo; a/c at ta ck s
negative.
EXPI33
:
2~.SZlinonoselci S t r a i t : 22 Apr: Photos reveal
3
f r i g a t e s ,
4
medium landing
ships ,
43
merch vsls
( 6 5, 0 00 ~ o t a l ) ,
I V
G 2 ESTI1;IRTE OF
TXE
Elm.IY SITVATIGN
1
S m a r y of the Encniy Si tua t ion:
a, A ct iv it ie s i n Forward Areas:
-
Northern .?hilippines
Luzon:
Hcavy
f i gh t i ng
continued It
p i l e s Lc,;aspi and nea r i~lala-
bog; no contacts
8
n i l e s
Nli
naet ani
a t
Lab0 (~ ain ari ne s lorte).
Z
of
E ~ e a y a p a bi l i ti e s C on tf d
116 -
Contcd
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 68/82
Opera-tions i n th e KanseP Shoto:
4
Defense of Southern Okinawa.
Opcrations i n Japan
5 A i r Concentra tion f o r Offensive-Defensive Operations.
Operations on Iilindanao
1 ) Dcfcnse of t he Davzo Approaches: The encmyls >robable course of
ac iio n f o r 3efonse i n iddndanao bccaxe fu rt he r cr ss ta li ze d on 24 i i p r i l a s a
rc s~: l t of an addi t ional
unopposed 16
mile advmce soutn-eas t al on i Highway 1;
cur forces have nov pushed ap~~roximtel-;r
/5'
of the distance bctvreen Kabacan
2nd Digos on Davao Gulf.
; is
pre vto usl y noted, th e seizr.re of t he liabacnn
r0ac.l junc tion sevc rcd th e pri nc ip al north-south overlancl road
lid<
e-L~rcein
Cagay~n nd Davao, I-t
i s
now rcpo rtc d tiia-L th e 3,000 Jzps s ta te d by ~; uer ril la: :
t o be 7,000 yard s c a s t of Dilap (see Dail y Sui~laaryNo, 1115) a r e under command
of Lt, Col, Takumi; t h i s o f f i c e r has been ca r r i e d as
O
166th Ind
Inf
Bn,
75th Brig &de (100th
N v .
This ide nt if ic at io n allnost conclusively indic ates
that tlie 166th Ii?d ZIP Bn, probably aug:xclltcd by oth er elements of th c 75th
B r i ~ a d e
nd
a l a r p number of
miscellaneous
base and se rv ic e personnel,
i s
now located north o th e occupied road junction 2nd thereby vir tx al l x isolateci
from i t s parenat un i t i n th e Davao arca.
I n e f f e c t t h i s c u t s o ff a t l e a s t 1/8
of th e 100th Division conbat str eng th and raduces i t s effectiveness propor-
t ional ly .
It i s not bel ievcd tha t the in ab i l i t y o f t he 75 th Brigade e le-
ments t o complete a. -u~dthdrav~klo Davao, w i l l i m t e r i a l l y a l t e r t h e e ne r~ yl s
pro2ected defcnsivc scbemc,
If he c l cc t s to' ~ C S E I I ~hor t of t he Dava~City
a re a i t s e l f ,
th e most l og ic a l a re a vroilld
be
t h e Apo Xange, a s t r i d e the canal-
ized Route I zp~r or,c h o Digos.
Terrain here
i s
e::cc.ptionallg rugged ~ f i t l i
t he r oad p ~ ~ s s i n glo se t o lclt
:TO
t he h i~hc s - t ~cnk
n
thc Phrilippinc Archi.-
pelago.
I Io~fe~er ,o date, no si gn if ic an t $cSenses have been rcportcd i n t h i s
Encay Capabili i e s - Go~l~t
6
Contld
3
Troop 2eali~nmcnt
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 69/82
from his positions on
IIi-t
..iC2ta3a, <h.j cnemy nay have withdrawn the bulk of h i s
rema.ining stre. -.t11 no rt h tl crcss th e ;i,hrikin a River t o p os it io ns on 11% ?amitin,-;.,
:,It
Lai~fita2nd I L t 7uyr.o (aWroxirnatcly
s$
ni lLs
SSE
:%n ta lban ) , l oav in~
s:1a11 f x c c t o hold Lhc
lint
s o u t l of th e r i v e r from itit Pa.calm&?n t o th e
Bosoboso 2 i ~ r c r . On i, t Pa ca w ~y ~n ,ur f or co s pushed t o vri-thin 30 yards of
the cr cs t xkerc
-tlx
cneny continues hi s stubborn re sis tan ce from pillboxes.
On th e Z2.r cas te rn
fla'n1;
oC t h i s
possible
n m l i c o of defcnsc, i n th e v i c i n i t y
of idt 2hpatzd (6000 yds I Q of Xe~crr l3osoboso), a i r o bs cr vr tion h,2s di scl os ed the
enemy
con str uct ing and inpro ving new dufansivc pos iti on s, while our ground
f
orccs r cp or t ilenvy re si st an ce south and soutil-wcst of the re.
it
i s tl~ u3tfl;il f t l ? ~ ricmyhzs cnoui;h s ~ r e n ~ t l lo ndie t h i s
consol idctLd znd unif i ed l in e.
I t i s
morc probable, i f
his
troops are commit-
ted ovcr such
z
a r p fron ' , (npproximately
7
milcs) , he :;rill cl la r~ ct er is t i ca l l :
defe ni fro n sclec tod st ro ns poi lzts ,
v i e :
t h e c r e s t s of tlleso several mountains.
I n
a 13
cvcnt, provided h i s main disp ositio ns n re as
indicated,
they fur ther
s?~.[:i;~sth c p o s s i b i l i t y ~f an cventual ~~it3ldrawalo the north-east , rat her
than nor th to re inforce the Ipo area since these d isposi t ions lcave h i s west
flcnk and most
accessible
L of i n t o t h ~po secto r vulnerzble to &tack
frcm t h e west i n t h e a re a e ~ s t f iihntdban.
po ss P~ lc : o;li:;r?mint of t he enemy's di sp os it io ns t o thc north
of
t ,;
idhrikina diver along an
ES;-Yl>jl
'Jinc, ]\It Pamitinan-IvItLamita-ER Purro,
v~su.lds:1~gcstan c v ~ n t u a l cithdra'c'ral north-east fr ox thc sector , ra th cr than
nor th iinto the Ipo area,
Operc:.tions i r ;
t h o ~l~.=.nscihot0 :
4)
Dcf cnse of Southern Okinava i ii:;h t h e ex cept ion of s nipcr and
pat ro l ac t ions , r p i i z o d incxy rc;s'istr.ncc has ceascd on c ~ n t r 2 l nd
1,'
Okinav:~ a n d c n Ie Shiin3; zssault opei'ations thcrc are comjjleted.
R~.r"chercon-
e bp
s@
9
~ 9
)'&
ie
c,a,i,ics - cont d
b
6
-
Conttd
Operations I n Japan:
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 70/82
5 )
.&Concentration f o r Offc~sive-Defensive Operations: Ae ria l photo-
grapliic coverL;;e of
13 main
airdromes and scq dan e bases i n Kyushu
(IQ, I ;I
and South 1lyu.shu a i r ce ntc rs ) on 22 April, r ~ v e a l c d t o t a l of
86.5
service-
able ai rc ra ft . Photos of the same gcncral coverage on
2 1
April rcvcaled a
to ta l of 630 serviceable aircraft , rcprbscnt ing
a
gc?.in of approximate ly 23.5
ai r c ra f t i n a 24-hour period
(one
hundred nineteen
on
airdrcmes cot COT-ercd
21 April) ,
Signif icant ly, 654 0;" the 865 t o t a l on 22 April were si ng le engine
e i r c r a f t ,
a gr eate r po rti on of vrhic:? probcibly a r e f i ~ h t e r s ,
Thc balance of
2 1 1
2ircra-f-Lvrere twin cn~in,e~ypes, bombcrs predominating.
On Nonshu, photo coverage of
14
airdroxes and one seaplane base
i n the Tokyo and liagoya a i r ce nte rs revealcd a t o t a l of 052 serv icea ble ai r-
c m f t .
Of th ese, 683 tvcre s in gl e engine t m e s anc? bu t
54
were twin engine
a i r c r a f t .
t
appe5rs fr oa thi s increasing concentration of a i rc ra ft a t
thc ?rinciplc air-centers i n tho hp ir c , the cneniy my be marshzlling his
homelcnd a i r strcngt 'n fo r a t-cvc-phasc p lm of opera tio n: a )
Protection
of
south 1u;;3~t~rnapan by
a
renmrcd large-scale a i r offensive directed agains'b
our forces i n the Nai-lsei Shotos, ut il iz in g h i s ai rc ra ft now i n the thre e
pr in c ip le Kyushu a i r cerltci-s to raou11t th cse opera tions; and b) Conccritration
of f ighters
i l l
the Tokyo-Ik.goya a i r c ~ n t c r s o r a poss ib le i~ l t cns i f i c d e r i a l
dcfcnsc of s tm te z i c ta rc e ts i n hea r t of thc b p i r c ,
Thc
to t al of 1,727 ai rc rz fl
concentrated
i n thcse two vi ta l
areas probably represents t h o greater port ion cf t he er,emyts a i r s t r c n ~ t h e-
-mining i n Japan proper, 2nd lcnd s crcdancc t o h i s probsble course of act io n
as
pointed out above,
b. Relat ive ~Frsbabil i t ics:
1 ) DeQ~izscof the Davao Approaches: Tho basic contention rcaxiins
un-
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 71/82
Daily Summary No.
1116
EXi LATJATORY NOTES
1
22
Apr:
Previously reported enemy group, estimated
by g u e r r i l l a s t o number 3,000, now s t a t e d
t o
be
under command Lt, CoL. Takurni Identi-
f i e d a s
CO
166th 1nd Inf
Bn
str on gl y sug-
gosting is o la ti o n from Davao of t h i s bat ta l-
ion n addition to other elements 75th
Brigade.
2
24 Apr
Without eneny opposition, elements of t he
3kth nf
reached iCiclapai:~an, appror:imately
94
oad miles SZ
of
Eabacan road junction.
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 72/82
No
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 73/82
6
psLA JAT3RY NOTES
1
S m l l suicide pockct estimated at 2 300 isolated
on t i p .
2
Ib-tobu peninsula
cleared
except
f o r scattered
snipers.
3
Found lightly
held.
4 Found l ightly held
5
f.Jo sigi i i f icant change i n f r o n t lines 29-23 April
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 74/82
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 75/82
G EN ER A L H EA D Q U A R TER S
SOUTHW EST PACIFIC ARE A
MILITARY INTELLIGENCE SECTION, GENERAL STAFF
1-111: DAILY SUMM ARY OF EN EM Y IN TE LL IG EN CE
IV:
G 2
ESTIMATE OF
T H E
ENE MY SITUATION
V: MISCELLANEOUS INFORMATION
No
I-J-1.5
D TE
23/24 Apr 1945
NE JJ
GUINEX:
1.Aitape-YJewak: 22 Apr: Enemy pocket remains v i c Maprik; hvy enemy f i r e
encountered; pa tr ol c lashes
1
r i l e s S Banak; na t i ves rp t ac t i v i t y S
and SE Xaravuop.
PHILIPFINES:
2,Mindanao: a ) Cotaba to: 21/22 Apr: No contact made 5000 yds SE on Hwy
1 r Dilap; plane recvd small arms f i r e NE Dilapj unkn nbr Japs engaged
junction
H w y
1 and Sayre
H w y
ne ar Xabakan; gu err r p t 500 Japs 6 m i N
nknuangan and 3000 Jap s 7000 yds E Di lap, b ) Zamboanga: 21/22 Apr:
a r y 1115 - Cont
d
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 76/82
PHILIPPINES
1.Lueon: 23 Apr: N. Lueon: 2 en Fs st ra fe d on Aparri s t r i p
1
on Echague;
2 l e f t smoking.
FORMOSA
2.Matsuyama a/d:
23
Apr
N i l
in tc p tn 23 B-24s bombing a/d f a c i l ;
4.A
holed
9 planes.
3.ICiirun:
22 Apr: Lone en
B
(poss Tpt) shot down by
P B ~ Y
0
rL KT
Kiirun;
07171.
FREIGCH I N DO CHIIA
4, ~a ig on : 23 Apr: N i l i n t c p t n 2 4 ~ 2 4 sombing naval base; 2 en Fs driven
off by P-38s.
SOTTTH
CH INA
SEA:
5,Hainan: 23 Apr a ) Sin gl e F i n t c p t d 20 B-24s bombing miscellan eous
shipping i n Yul in hbr ; n i l dam, b)
N i l
i n t c p t n
11
~ 2 5 st t a c k i n g t g t s
-
along
SE
coast Hainan,
CH INA
6,canton:
22
Apr: 2 en Fs agg ressi vcZ yintc ptd
P B ~ Y
t tacking en shipping;
1F dam; 09001.
NANSEI SHOT0
7,Okinawa: a ) 23 Apr:
1
en
D/S
shot down by Corsair 50
m i N
Ublo; 2
clf l-gd a/c de st on grd; n i l en a i r a t tac ks, af ternoon. b) 22 Apr: i )
60 en a/c i n
11
even ing r a ids ; t o t a l 54 a/c des t (most by CAP, 4
su ic ides); aval losses , 1minesweeper,
&
1LCS sunk by su ic id es , 2
DD s
darn; 2 n r x i sse s ; f i r s t r a ids f r R l a t e r f r Yr i i ) 40 en a/c 200
m i ~SrQVOkinawa, c r s 100 deg, rp td - by PBM; 20151.
30 en a/fc 240
i n i ITNW
Okinawa, c r s 100 deg, r p t d by PBM; 20351. c ) 22 Apr 16 en a/ c sho t
Nawj - Contfd
-
Contld
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 77/82
PHILIPPINES:
7,Zamboanga: 23 Apr: P os it iv e sub conta ct , 30 ini E of Zamboanga.
8.Cebu: 22 Apr: Liloan: Beached ba rges ,
1
enemy Pt destroyed by PTfsr
FORMOSA
9,VVes-L Coast: 22 Apr:
1
ugger sunk off Tainan.
FRBNCH INDO-CHEJA :
10,Cape St..Jacques:
23
Apr: a )
1
des t royer escor t . b )
1
d i r e c t h i t on
f r e i gh t e r i n drydock* c )
1
(150/300~)f r e igh t e r l e f t burning s i nk ing
1.5m i
E*
11,Tourane: 23 Apr: 2 1 r g
11
u/i vsls 8.5
m i
NxW
12.Tonkin Gulf:
23
Apr;
3
u / i v s l s .
13,Weichow Is: 22 Apr:
1
ugger dam,
HAIFJAN
:
1 4 , ~ a i n a nBay: 22 Apr: 1-L power lauirches
6c
luggers s t ra fed; 3 damaged.
15.yuli.n ' ~ a ~ :3 Apr: a ) 5 (300/1000~) fr ei gh te rs anchored, b)
1
(2000/
4 5 0 0 ~ ) r e i g h t e r t r a n sp o r t ,
1
(1000/1500~) f re igh te r t ranspo rt ,
1
(1900T) tanker,
a t
l e a s t
2
(150 / j00~) r e igh t e r s , 14 barges destroyed.-
1 6 , ~ ~oast: 23 Apr: 1u/i transport anchored.
CH INA
COAST:
17.Shanghai: 22 Apr: a )
1
destroyer,
3
destroyer escor ts ,
3
u / i f r e i g h t e r s
70 m i SSE, b )
1
destroyer escor t ,
1
subchaser 60 mi
ESE,
c rs S. c) 1
destroyer , 3 destroyer escor ts , 110 m i NE, c r s
IW,
d) 2 dest royer escor ts ,
1
(7000/8500~) f re ig h te r transpo rt, 120 mi NE, c r s NE, e ) 1 i g h t c r u i s e r
or l r g des troyer, 3 escor t s , 2 (2000/4500~) f re igh ter t ranspor t s , 9 m i
Eg cr s E.
18,Foochow: 22 ilpr: 300 bo ats (18 f t le ng th ), 100
m i
NZ,
crs SE;
1
h o s p i t a l
ship 50
mi E,
c r s NE,
19.Amoy: 22 Apr:
1
destroyer , 6
s m
freighters anchored;
1
destroyer escor t ,
Swnmary of the Eneqy Situatio
15
Contld
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 78/82
co as ts p a r ti c u l a r ly Labuan-Lintangan-Sibuco are a, Yf cooast,
Cebu: Idinor co ntac ts a11 op er at io na l ar ea s; enemy ap pa re nt ly
moving N route s t o 10 miles inlan d from E coast.
llegros Res ista nce conti nues Northern Highlands une st nbr
enemy contz.cted 2 i mi les S Manzanares; enemy act ive ,
Bohol: Contact wit h undetermined number nez r Kambingay;
p o s s i b i l i t y Bohol ga rr is on may evscuate t o Dumaguete (SE Megros)
~J ioluccas N i l ground activity,
New Guinea: In te ns e enemy f i r e encountered from enemy pocket v i c
Maprik; enemy a c t i v i t y rpt d S and S Karavrop.
Bougainville-Mew Britain:
N i l
s ign i f ican t g round act iv i ty ,
b,
Ac tiv i t ie s i n Rear Areas:
Formosa:
N i l
a i r oppsn B-24si
Saigon: Weak a i r dppsn t o B-24s.
Hainan:
1
en oppsd 5-24s; n i l oppsn B-25s.
Canton:
2
en Fs aggres sivel y in tc pt d P B ~ Y .
Okinawa: 60 en a/c at ta ck ed nava l for ce s, evening 20 Apr;
54
a/c
dest , 1mines~~eeper
1
LCS sunk by suic id er sj n i l en a i r at tac ks rpt d
f o r 23 Apr.
J a ~ a n :%eak a i r re ac ti on t o i3-29s at ta ck in g Kyushu a/ds 22 Apr; of
30 in t cp tr s , P-51s sh ot down 9 i n sweep of 2 Nagoya aa/s ; agg res sive
coordinated a i r at tac ks a gai nst 5 2 9 s boinbing Tachiarai a/d (18 l L p r .
c. Ide n t if i c a ti on s : 2nd Co, 21 st Xort ar Bn; documents captd
1
mile
NE
1Jev: Bosoboso 3 ~ a n i l a ) ,
3rd Rocket Gun Bn;
F V
Captd vic Quexon
strip (E Manila).
9 th r I n t e l Regt; enemy dead Ipo are a
3
1,knila).
d. Weather: I nt er fe re nc e wi th Luzon grd sup por t China photo missions.
-
Conclusions,
Enemy Czpabilities - Conkt
1115
Cont d
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 79/82
Operations on Luzon:
2
Defense of t he Bale te Pass During the pa st few days our
pa tro ls probing north of lo c a l strongpoints west of i lapintalan reported the
enemy appeared t o be bui ldi ng up a s tr on g defense l i n e ato p an East-lAJest
ridge 1,500 yards
IlTnJFT
of the vi l lag e.
East of Kapintalan, th e 27th In fa nt ry
opera-Ling 4,200 yards t o th e n ort hea st, developed st ro ng enemy po si ti on s
manned by fr es h :; ell-fed troops. S t i l l fu rt he r eas t, gu er ri l l as repor t an
enenry concentration of troops c s t i m t e d a t approximately bat ta li on str eng th
on the Old Spanish T r s i l .
These troops po ssibl y ar e a mobile forc e i n
sqnport of posLtions south of the re i n h t l a n River Valley (6,030 yards
ENE
of Putlan). These l a t t e r posit ions permit
-to1
enemy to naintain his
th r ea t to our rea r in s t a l la t io ns as wel l as to prevent our use of the Tr ai l
toc&aunvent h is Bale te Pass bas tio n,
The other two positions would indicate
hi s concern over th e po ss ib il i t y of our outflanking his present main defenses
astride IEgh?vay 5 espec ia l ly i f he i s r ein fo rc ing the ea s t f l ank, a s t he
fre sh t roops the re would indicate.
it i s
i n t e re s t ing to note, t h a t of 5
of thes e troops ki ll e d i n actio n by the 27th Infantry, none had id en ti -
f i ca t i on tag s or carr ied other means of id ent if i cat ion .
This
i s
i n con-
formance wi th a po ss ib le measure of cou nte r-i nte lli gen ce by th e ,enemy
has been suggested by sev era l other rece nt s im ila r instanc es,
The enernyls at te nt io n to h is flank s i n the Balete Pass
sec tor would indi ca te he inten ds t o prevent our encirclement 02 < is pre se nt.
defenses astride Highway
5
Fur the r, t h e rein force men t end improvement
thereof, suz;;ests he has no int en ti on to re lin qui sh h is hold on the Pass,
de sp ite th e im?inent col lap se of defenses i n th e Baguio se ct or and th e con-
t inuing reduction of h is reserve stren gth i n the Balete rea r areas.
Enemy Cap ab il it ie s Conttd
1115
Cont Id
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 80/82
The vv et ur i ore area in to
the vulnerable Java Sea, -ohere Alllied ubmarines lurk, i s agparently born
of desperation, but not in expl ica ble i n view of th e cncrnyts other alter nak ives
vi z: ail attempt to r un the blockade of our submarines and a ir c r af t t o th e
Empire, o r remain i n the Singapore area u n t i l a l l imit s a re repaired ut
r i sk ing fu r the r damage as a i r s t r ik es
a rc
stepped up.
The enemyls s i tu a t io n i n th e NEI-Singapore ar ea
i s
s t e a d i l y
dete rio rati ng and desperate measures t o obtain a maximum use for transportation
runs and convoy missions t d t h h i s r e ~ a i n i n g ni ts may be expected.
Operations i n th e China Coastal Area:
5 Usc of licrchant Shipping: Although the Singapore-Empire
l i f e l i n e has becn severed f o r normal convoy trafTi c, s igh tin gs f or t he past
several days >e fl ec t a p a r t i a l resumption of ship-oing ac ti vi ty , both along
the North China Coast, and along th e Indo-China-:lainan se ct or .
On 20 April,
photos of Saigon re ve aled approximately 21,000 to ns of merchant shipping ,
including severa l s izea ble merchant unit s ; several lar ge fr e ig ht ers were
al so present on 2 2 April. t Yulin Bay (S ~ a i n a n ) n 22 kZpri1, a conca-
ra t i on of 2 large tankers, 3 medium and 2 s m d l freighter-transports Tias
reported,
Recent searches have fa i l ed t o disc lose any s ignif ican t a c t iv i t y
a t Hongkong, Swato~v, Amoyg or Formosa por ts ot he r than a g re a t ly incr ea se d
volume of sa i l in g junk and small cr af t t r af f i c a long th i s sect ion of the
former mainconvoy ro ut e, Convoy t r a l f i c northward from Shanghai has as ye t
been r e l a t i v e l y unmolested ot he r tha n by submnarincs.
Apparently the losses
suf ie red from a ttempting to run the ga un t l e t ~ v i th arge merchant ships from
Hongkong t o Amoy has convinced th e enemy t h a t a more p r ac t i ca l al t e r na t i v e i s
the course which he i s seemingly follovcing a t t he p re sen t time,
>iz,
s taging
h i s lar ge merchant shi ps ei th er sin gl y or i n small numbers up th e Indo-China
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 81/82
EXPLIINBTORY NOTES
1 2 2 Apr: Gu er ri ll as r ep or t approximately 700
Japs located
6
miles N l knuangan; anothe r
for ce, esti mate d a t 3,000, were
re po rt ed 7,000 yds E of Dilap moving
E
(Comment: both reports believed
exaggera ted, pa r t i cu l a r l y l a t t e r one);
enemy
s m l l
arms f i r e r eceived by
f r ie nd ly plane 7,000 yds N of Dilap.
2
2 2 2 3
Apr:
Intcrrnittent enemy
M
and mortar f i r e
receive d d uring ni gh t by elsments
34th Inf v i c i n i t y junction Route 1
and Sayre Highviay; fol lo win g day,
wi th ou t enemy opposi tion , 3 rd Bn,
34th Inf se ized IZabacan town and made
junction with other elements 34th Inf
( i n amphibious move up Pulangi R ) and
secured ferry cross ing
M
of Kabacan
7/21/2019 Japan Enemy Trends April 45
http://slidepdf.com/reader/full/japan-enemy-trends-april-45 82/82