21st Bomber Command Tactical Mission Report 257 and 261, Ocr

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

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


3/81

14151&181920222728

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

Pogo.J!lla 1

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

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

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

Targots on tho lalallll or Honahu.lapan

TAmE OF CONI'ENrS9/10 July 1910

Field Grder No. rn

Tactical Narrative


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

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

I Date111111lOr, .1D.ltii1le

,

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

SCi3J.2.CT1

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

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

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

56th73t'd313'h314tht

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

257256259260

Mission


5/81

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

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

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

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

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

(0) Determination of Bcmb Load:


6/81

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

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

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

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

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


7/81

J U ~ . B " I

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

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

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

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

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

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


8/81

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

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

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

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


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

Bue to lwo Jim ..to333lH _ 13346E

to341gH _ 1 3 ~ 4 1 3 0 E

toTa.rgettoIwg JIJlul.toBu.

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

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


10/81

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

t oTo.rgett o

Iwo Jill l l lt o....

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

(3) FliCht Engineeriall

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

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

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


11/81

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

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

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

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

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

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


12/81

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

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

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

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

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

(b)20-25 enemy fightera

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


13/81

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

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

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

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

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

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

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


14/81

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

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

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

13,3 tOM ofon Sl1ukl.

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

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

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

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


15/81

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

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

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

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

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

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


16/81

correct ion.

ence or offlllet

sight ing only.

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

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

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

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

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

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

j. Intel l igence SWPmery:


17/81

.i lll it

ANN'"A

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


18/81

S E C ~ T

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

CHICH' JiMA

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

IWQ JUolA

0'0.

IIIII .

PART I NAVIGATION TRACK CHART

,

IIII

APRIL 1945

--- . Q

0KIN4WA

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


19/81

1.

Par t I I _ BsmbiPB

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


20/81

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

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

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

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

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

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


21/81

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

/ ~ i P o o

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

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


22/81

for t V _ f! p dor

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

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

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

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


23/81

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

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

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

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

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

Fixed4871175

Trailing6671325

c........

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

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

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


24/81

I}:rt VI I _ CAumerx

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

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

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

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

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


25/81

\\

IIICHICHI JIMA I

\II

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

)

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

1 }5 "

J

o

III

APRIL 1945I }O"

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


26/81

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

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


27/81

Part 1 WeAther U F O r y

Planning fOrcODst - Missions No. 257thr91gh 261

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

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

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

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


28/81

Targets I

Eases alReturn:


29/81

,

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

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

(


30/81

,

, eH IOU JI"'A

' ",--'


31/81

, - '

- ,'-


32/81

JUQ. l ! I I

c

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

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


33/81

Part I f01

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

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

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

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


34/81

~ ! ! ! ! !LI ST or IFTERCEPTS

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


35/81

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

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

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

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

3. FreaueM1CS: : .toospheric int


36/81

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

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

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

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

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


37/81

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

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

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

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


38/81

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

D

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


39/81

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

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

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

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

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

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


40/81

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

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

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

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

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

Loeatiq; Cogrdinates pww


41/81

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

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

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

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

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

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


42/81

}H.BI I

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

Loeat im Cocrdinates

3urface VesselSJrface Vessel

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

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

directed.s t r i ke .

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


43/81

e . No aircraft \fere loot to f lak


44/81

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

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

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

2. Report IDntrCl7.4

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

b . Powse to t ar ge t"

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

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

Tgtal 1 '2


45/81


46/81

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

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

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

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

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

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

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

neatrqte4Sq, 11 , br oed

.911.08J..02


47/81

,


48/81

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

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

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

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

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

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

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

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

53.748.1052.5

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


49/81

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


50/81

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

p :n I I I - SWTI


51/81

Numbered Targetsl NelleOt her Targettu P'mag8

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

center at e i ty ) .

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

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

(gi thin 5 mile ra diu s d

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

Kauasald Aircraf t 'Jarks0.20- 24090.20- 249


52/81


53/81

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

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

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

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

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

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

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


54/81

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


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D!Ji\GE IN SQThtRE FEETSUPERFICIAL Percent

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


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

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

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


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

" II "

""

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

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

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

"i

i1

615,760

~ L ~

D/A R.port 141, cont1d.


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

12'/'140l4 l154157171294J09

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

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


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B

CORSOLmAIED STATISTICAL SWl.J4RX

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


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. 3 0.3il2

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

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

257 - 261NO9 July 1945

43 TOM

FORM 34

]858 Tons

70.7il

MISSION

572

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

gOST OF 'w!10N

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

SECRET

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

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

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

CONSOLIDATED STATISTICAL SUMMARY OF COMBAT OPERATIONS

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

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

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


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

21 1 5;on "2


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!,ol:ltedOtherNon_ I Bombed

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

ssion j/ 2

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

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

fee the Secondary Othor

intonaneo porconnol error.

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

16 I 5

j E ~ J l j ; l

6

3

2Sa

16

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

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

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


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

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

l i l i l l .1I

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

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


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

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

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

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

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

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

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

TOTAL


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. j ~ < l j I

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


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

3 1 WG 1.1

.c\r:.L 501

30

100

60054535

1340

1200

1200

.ew.

441


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

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

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

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

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

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


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F


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FIRID ORDERS ),NUUIlEll 97 )

1. Onitted

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

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

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

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

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

F .0 . #97


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

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

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

UPl Foree Required


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SF,CRErF. O. fJ97

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


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for GIFU. . . . . ~

x.(6)(1)

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

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

strike

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

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

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

R ~ S T R I C T E D


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G

DlSTRIBUTIQll


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STRIKE

---Sf '


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,i,I

CONFIDENTIAL JUNE 1945 SHEE


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APPROACHES TO WAKAYAMAACTUAL SCOPE PHOTOS

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

E


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JULY 1945

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

j\


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CONFIDENTIAL

CONFlONT1AL


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REPROIlUCD BY '49TH ERroR AYN TOl'O CD

......" , n

/

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

APPROACHES TO SAKAIACTUAL SCOPE PHOTOSALTITUDE APPROX.8000

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

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

JUN! 1 1 4 ~


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

21st Bomber Command Tactical Mission Report 257 and 261, Ocr

Documents

Transcript of 21st Bomber Command Tactical Mission Report 257 and 261, Ocr