21st Bomber Command Tactical Mission Report 251-255, Ocr

8/6/2019 21st Bomber Command Tactical Mission Report 251-255, Ocr

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HE..m.U..RTERS;ca B ~ i B E R CQi,It.i..ND.JlO 234T . , C T I C . ~ MISSION REPORT

Fi old Order Ne 96 Missions No. 251. 252, 253. 254 &: 255Targets: C h i b a ~ .Lkashi, Sh:"r..lizu, and Kofu Urb:ln ->roas, am the Maru'Z,on OilRefinery, S h i m o t ~ ~

6 JUly 1945Table of Contents

Tactical Narrative. e "'goNo.111121314161724252627293131

Observed i e a t h ~ .

vs.. .

C p o r a t i ~ n s . ~ '" Part I - Navigation Track ChartPart I I - r ~ a n Points of ImpactP'll't I I I - Bembing, o. Pa=t IV - Flight Engineering Ch3rt.Part V. - Rad'U' 0 > Part VI _ Gunnery Part VII - ,dr-Sea Rescue Chart Jcnther Part I - ',icather Sunin3ryPart II - Chart - PredictedPart III - Prognostic ~ b Part IV - Synoptic Map

:Ulncx .1. -

.l.Ilncx B -

. E - C o n s o l i d ~ t o d statiatic31 S u c m ~

_ ~ c x D - Intelligence. Part I - Encmw . ~ i r OppositiOD Part I I - E n nntiaircraft . Part 11I,_ D n P a ~ AssessmentSection A- ChibaSoction B - .lk'lShi Section C - S h ~ z u . Scction D - Kofu Section E - ),bruzeD Oil Rotlnory

lJlncx C - Communications. Part I - ReM. Part II - R3.dio

XXI Bombor Calm'Ull Fiold Ordor

3233JS38394."5"5474953.ss5968

. ~ G - Distribution. --I . . . . . . Ollo_.. 'ZS


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1111::1:::1:1:11:::1111SECR E T :: By ow.th. of the e.G.:

1 XXI Bomber Coamand:,, 6 lU145 ;[0. CjDate Ini t1a18 :

:::::::1:::::::::::::::HE..DQ.U.RTERSXXI Bctl:BER COlf'.Ari.ND

.U>O 234Report o f A ttacks - 'g 8inst 4 Urban .'.reas and 1 Precision Target. 6 JUly1945

TO '" Conm:lnding General. ~ e n t i e t h oUr Force. 'JashiQ&ton 25. D.C.lDE.'mFIC..TION OF MISSIONS:oa . Field Order"lfuobet 96. Headquarters x;a Bocber Coc:land. dated b July

~ 9 4 5 . ~ 1 . r e c t e d the 58th, 7Jrd. J l ] th J14th and 315th Botlba.rd;.:;ent . 7 i . n . . ~ s to part1.C-p a t ~ 1.n 10t1 and medium alt i tude night a tt acks again st 4. urban axeasOJand 1p r e c ~ s i o n tar" t Ho h . XXI n_-b "--_.255. ..e on IU:I u 1.n DVUI er ~ l L I Missions . ~ c r e d 251 through

b. TarBet Specified:(1) Primary Visual arA Radar Tarpets:Mission Tax30t :liM Force ssi ;p .ed251 Chiba Urban hrea 58th 4 Groups252 nkashi Urban .\rea 73rd 4. Groups253 Shimizu Urban Jrea 31J'b it Groups254 Kofu Urban .rea 314th 4 Grouils255 lAaruzen Oil Refinery, 3'5" 60 .o.ircrattShimotsu (TarBet 90.25-1764)(2) NO secordary or l a s t r es or t t ar ae ts ~ e r e named.

2. S T R o ~ T m Y . ~ PL.NS OF OP.rn ....TIONS:a . Strategy: . lS a resu l t of: continuing uataV'Ol'oble 'trostbel' over theJapanellie mainland another ser ies of: oi t ies vos selected for nibht ineendiar,r

e t r ikes . Planning 'Il8.S similar to other s t r ikes in l7hieh the 4 lrin"s


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Hitrad ~ c h 1 Aircraf t Company._ It i s also an important rai l roadcenter . ui th l1ne.and1.8ting north';1e::lt to Tokyo. northeast and southeast acr03S Chiba Peninsula.SOuth to Kisarazu.r ( 2 ) Mission N.tmber 252 : The city of


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t Z For use against tho .Umshi urban arca the 73rd -:ling ...b0 10M 4 Groups (includes 12 Pathfinder B-29 Is) 'I1ith clusters or 111)9 inco(l:Harrf olllbs fuzed to open 2500 feet above the target . 40n intervslomater set t ing or 50foet was to be employed. Since the ~ type incendiary bomb ~ 3 8 n O ~ availablel ~ USe by pathfinder ai rcraf t or the f i r s t par t of tho lIlain force. clusters o fh? bombs ware s ele cte d a s the most desirable incendiary weapon available m tbt1 t l.ch to ~ f f o c t destruction. Buildings in the target area nere or l ight con-~ u c t i o n , requir ing only l i t t l e bomb pene trat ion fo r oaxicuc dacage. Tho fuaingt intorvalometlll' sett ing specif ied wore s ele cte d to obtain an even deDSit) ' one tarGet and to insure proper functioning of tho bccb.i1 a 1.. For use against tho Shic1izu urban area the 3l3th :Ji.Qgf s to load 2 Groups (includes 12 pathf inder 8-29 15 ) ';lith l%7 incendiary bcab8fUZed instantaneous nose and 2 groups uith ~ incendiary clusters ( ~ bocba)uzed t.o opon ]000 feet above tha target... Intervaloocter settin&s of 50 teet tar~ 12j.7 baIlb and 35 f?et for the 1:ll7 c ~ u s t e r s uerc to e:JployecL This h rgo t. ea. s I:lixod indust r: :I. lU and res ident1 .3 l a rea rrith bU1.1ding construction vary_l.ng from l ~ wooden to s t ee l types uas considered sus cept ib le to suceessful8."tack. by the combination of these 2 't'Ieapons, The penotratill6 and f ire-settingq ~ l ~ t 1 . e s of these boobs uere considered su perio r to o th er a va ila ble beets.dens1.ty. of approximately 8 tons per acre on the target area Q3S 8XJ:ected, end't'Ias bellcved Sufficient to effect destruction of the area, I n t c r v a l ~ - e t e r se \ t -ings and fuzings specifiod 't'Iere designed to obtain caxil::lw::. density cn the targetand to insure proper funct ion ing of bombs and clusters .

h . For use against the Kofu urban area the 3ll.,th ' : t ~to load 1 Group (includes 12 pathfinder B-29's) 'J itb ~ incendiary be:c!ls !uaedinstantaneous nose and 3 Groups 'I7i th clusters of l.t69 bcc.bs tuzed to open .socofeet above the t a rge t , Intervalom.eter sett ings ot 75 teet for tho war aD!50 fee t for the clusters qere to be employed. The area to be attaeked 7Ubelieved to be highly inflammable, but conta in ed suff ic ient f i re breaka to cauaesmall f i re divis ions . I t uasexpected tha t the !.UI.7 banb dropped b)- the 1 \ a o ~'t1ould cause in i t i a l appliance f i res and the l!lUltiple hitsobtai:J.ed by the droPP1l&of clusters of ~ bombs by la ter fonnations \7Ould insure f i res o;rithin 03eh f i redivisioD& The i n t e r v a l ~ t e r set t ings and fuzings s p e c i ~ i e d ~ e r e seleeted toinsure an evan densi ty, l1ith maxil::lUm. concenttation oil. the target area baing 0CIls i s tent uith the proper f unct ioning o f bombs, to o b t a i n . p e n e t r ~ t i o n at s t r ~ e t u r e .in the area .

For use against the Maruzon Oil Retinal)" tho 3l5th 11Dcuss to load i t s a i rc ra f t ":1i th 500-pound general-purpose bombs fuzed .025 sec0a4delay nOSe and non-dalay t a i l o. The 500-pound banb ' t ' I ~ seleetod sinoo the targ etins ta l le t ions uerc of both storage and refinery type, and ,,011 dispez'sed qitb1Jlthe target area" The larger number of bomb hi t s inf l ic ted by tbe use or th ie~ i 3 0 bomb uaa expected to resu l t in maxiumum damage to both manufacturing aadstoraso fac i l i t i e s . The .025-second dalay fuze '1735 solected as an sH:


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MissionliJ.mber

251252

253

254

255

.1ing

58th

73rd313th

314th

315th

. a i s of. ~ t t e . c k(degrees)32239

27515

47

! Q . ! L ~ !Bombing In i t i a l Drif t Lone'h Time of.u t i tudo Point dogroes of Run Run( fee t ) ril9lt (Mile') (Min)

1 0 ~ 0 0 0 - 351B30N- 7 27 7l10,800 1402500E7.000 - 341930N. 6 29 77,800 13441307;000- 345830!.J.. 1 35 101:7.800 139073013;200- 3436N - 8 75 1714,000 138l4E10;000- 335000U- 2 301: 61:10.800 1344430E

(2) Navigation: ~ . i r c r a f t uero to UiSO tho follo7ing routes:(8) Mission 251:

Reasons fo r SelectionTactical Doctrine

This dead r eckoning point uas selected to keep O\lt at ba:lberstream on the approach to the i n i t i a l point .Tactical Doctrine

point Oi ls-:.lectcd

.i. lao desrce turn :733 Sthe easternas the imUal

cif ied to l ~ ' s

Tate Saki Cape. an ea si ly i den t if iedside of pen in su la out from TOk"/o uaspoint .Chiba urban area.end.land'S end.

Targetto3535110 Jiw.to351830N-1402500 (IF)to

(b) ~ s s i o n NUmber 252*RouteBase to 1170 Jimato3350N-13445Eto341930N-1344130E (IP)toTargetto3452N-13505Eto345811-13440Eto333JN-1341'l1!toIJIIO J':lms to Baso

Reasons for elect ionTactical Doctrine.landfa l l nas to be the oosi ly identif ied p oin t Just la t tof I &ima.Minot Point on the tlest sido ct .1.'lTaji Shima ':1hich made Ulebest approach to the t a rge t 178.5 selectod as inih ll1 poin t .. lkashi urban areaoThis p oint \las dosignatod to avoid. f lak.To avoid f l ak , a le1''t turn '[faa to be _d e a't HiJaej1.Lawl i S end.Tactical Doctrine.

(0)Peep' (S F S,ltS S iM'raoUOI!Il. DDoV'1D8!lda_-__ 'U afO- - -.... hnL to ... :Ialu.a1 ....... .. ...


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345830N-1390730EtoTargetto3501N-13815Etoh o Jima to Baso

(IF) J. ju t t ing point ju s t cas t or tho ci ty at I to and which WUeasi ly iden t i f ied by radar \768 aoloctod aD tho i n i t i a l point. .Shimizu urban aroa.This point l7as designated to avoid t lAk.Tact ica l Doctrine

,BouteBase to 1m> Jimato3436N-13Bl4E ( IF)toTargotto35 14N-13909Eto1>70 JilXla to Base

(d ) JMssion NUmber 254:Reasons fa r Selec t ionTactical DoctrineOmai Saki Boint, easi ly iden ti f ied tor th e radar approachto the target 'ilea selocted as tho l n t i e l point.Kofu urban area.Land's end .Tact ica l Doctrine.

(0) Mission ~ e 255:Reasons for elQCtiog

Tactical Doctrine.

Tactical DoctrineThe l andfa l l point selected :las jus t to l e f t ot :&.l:rotPoint . making a s tr ai gh t l in e to the h rg e t t.:rouc:;h thoto i n i t i a l }Joint.

335000N-1344430S (I;P) The ju t t ing point of land a t the entraAeo to 3Ua &17.making tho best approach to the tarbct I 7a3 s ~ . c i t i e d asthe in i t ia l point .J.bruzcn Oil Refinery.

toTarectto3335N-13557Eto1wo Jima to Base

Base to !.;-ro Jimato3322N-1340JE

(3 ) Flight Engineering:(a) For Missions Number 251 through 254&.

1. 4 ~ l t i t u d e s and spcods, except fo r the bCDlling run aDS.compression of tho str iking force, trOrs to bo in accordanco 17i th XXI Beaber eaamood Tactical Doctrino. NO assemblios ~ e r e to be et toctod.

1.. FUel reserve data indl08.tod that tho 58tb, 7)rd .313CIL-.lind 314.th ;ring trould not requiro bomb bay tanks. and that a to ta l ruel 10.-1. atapproximatoly 6100 gallons lIOuld be carr ied .

1. No maximum or mini:zaam. bomb loads n re spcoit i04. a .blOads vore to bo as follows 1

pi C..

Potep.tial Capoqity


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(b) Mission N.mmbcr 255:i 1:.. Except for the banbing run and compression of tho s t r ik ...ng force, a l l aircraft . nere to f ly a t speeds and. alt i tudes vhioh 1XlU1d allowllIaXimum range and safety. Speeds aould be 8Jlproximately 5 miles per hcur hiiJborthan the speeds rococ:ll:1EItdcd in the x:a Banber Comnand Tactical Doctrino. N:lassecbl ies , /ere to be effec ted.

2 . The expected fue l load '.7as to be carricdl1nd center t7ing tanks. E3ticated bocb load "as to 18.000 pounds.

(4) :Radar W.issio:l Planning:

in fu l l mng

(a) Mission N.unber 251: Chiba is located on the eastern coastof Tokyo &'Y. giving an excollent rad:u- return . The approach to the city isgoverned by tho flak defensos and by tho difficulty of choosing in i t i a l points.~ g o o d approach ~ o u l d be from tho southgcst, ut i l iz ing check points along thoeastern peninsula in Tokyo Bay.. This axis ru.ns the gauntlet of heavy ant1aircraf t and searchlight dofenses. The only other run is from the southoast, using35l830N-1402500E as tho i n i t i a l point and ~ a selected b c c ~ u s c this point i sdis t inct ive and had beon used successfully on previous strikes in th o T o area.Radar r/inds could bo obtainedfrom the island chain bet\lQcn 1'.70 JilIl!l and a Shicaand tho point a t 3454N-1395lE. Direct synchronous bombing nas to be omployed.Tho cross wind run flas not expected to cause great cross - t ra i l crrOl'S in theincendiary clus ters because the cstimated al t i tude ~ i n d s nould not be strong.

(b) Mission 1'\mIDer 252: .lkashi i s a familiar h rge t area 3Mthe plan ~ a to be s ~ l a r to the one used on the Empire Plan to targe t 15k7(Kanasaki ..rircr:Jft Plant a t . \kashi). The b:.st axis ~ o u l d be troo the southe3Bt.st r ik ing tho ci ty perpendicular to the longitudinal ax is . In this o:ay a l l nit:1Uth orrors 'ilould bo in tho target area . tklst of th e p re sent bCl:bin,g errorsar.:: in def lect ion due to poor radar ,rinds or poor r ef in emen t o f dr i f t . The ci t7i s along the co:cit and can be identif ied very eas i ly . The i ni ti al . po in t,341930U-IJ4,4130E, i s aprominont coastal checkpo in t on .aaj i -Si l i :e. Using &al t i tudo of 7,000 to 7,600. fee t . the banbing ~ a to be by dir.::ct synehrOnOWlmethod.. The llaIlY peninsulasprior to the i n i t i a l point offer Qcel lcnt points tormaki ng radar :rind runs .

(c) Mission Number 2511 Shimizu i s another coast31 city ghichcan be easi ly iden t i f ied . The routo to tho i n i t i a l point b a s ~ 1d031 ls13adcheckpoints for establ ishing a radar l7ind. Tho i n i t i a l point, .34583ON-139073QE,is on the peninsula in tho Sagami-l'ilda. Tho tresterl, . axis;f8S to be pcrpen'"d ic ula r to tho long axis of the c i ty . d is t inct ive reference point is thecurved peninsula in th o harbor area . The ci ty i s bui l t along the coast aDd sinoopast errors ",oro greater in defloct ion, this axis I1S.S reccmnendod 58 tbe beat.

(d) Mission N.unber 254: Kotu 1s one ot tho t i r a t inlam.c i t i e s to be attacked by incendiaries a t night . :1 ith' lbUlt J 'u ji a t 12,388 t ee taDd a mountain of 10,000 t ee t to tbe nest ot tho 6:ity, it nas t e l t tlaat tbemUsion al t i tude should be high. For th is reason, an al t i tude ot 13,200 to1.4,000 t eo t VeB apccifiod. I6:lst mDgs nero in taTOr of a higber al t i tude iA md. -to accomplish good synchronous r61oase. ThU ta tcot tlO'l14 be aD. uco l lon t aU '\ 0 cCIIIPBrO f ina l resul ta boeausc.. bolretotoro, 10,000 10,800 t$Ot ba8 b e ~ . . L ~higbost alt i tudo usedin night incendiary at tacka. Tho best axh iJI rrc:-lJ8UB which is the landfa l l point an4 a b o the in i t i a l point . IbID' h j : l ..coos1dercd to be 8Il. ideal r6f'oreDOEI poin ' tar loacatiD8 tbe oit7 si&D&l.r s lar rocODDaiUaDCe photos. the city ataD4s out as a ve11 del'1.DllNI.i&Da4 --baa beOJl 1l8e4 8B a l l in ! t i a ! point on IIIOBt ot tbe aiae10D8 iD'&:o tbe t'c*;ro .....DlreC\ 8)"I1CbrODDUa release vas to be u_.

(0) .,Boa H!!!!bftr: 25S.i This u.. . iCG to tM J I l l ' . - a u . . . .tiDUl" .. planned. \0 g i f t t1Ie opt;iDIal QPrOeob to r ... JQ-1 equtpen_. . ._._et..-t; up tor'p1aaD!DS ":re. low 4r in t aoW. ao6I 1UlIta11 ..... . saU1Il1 wbll 1'UII" eotiDito n4u ' iDi'1a1 JOiD.t. MI, U J suD" , .,


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turn at the in i t ia l point .. Basod on these requiremonts to r radar re."1gat10I4 8: o ~ t e was ohosen uhioh approxillBtcd a s tr ai gh t li no fra:l. landfall through thol n ~ t 1 a l point to tho targot.. L:mdfall uas designatod as 3 3 2 2 l ~ 1 3 4 0 ) E .. ThisPOlnt is tho promontory on the ooast. 10 c i les north of tho dlst inoti"e point?f land a t bUroto-SOki o. Muroto-saki is on t ho sou thoast t ip of Shikoku which18 ideal for a radar mnd run. Tho in i t i a l point is 45 nautical milos trOtDlandfal l and should be uithin easy rango af ter making the turn a t landfall . Thoin i t ia l point i s a dist inctive peninsula a t 335000N-1344430E.. Tho courso tothe in i t ia l point sl ides along the eastern ooast of Shikoku and wil l be an aidin establishing oourse and drift . . Tho in i t ia l point turn necessitates a verysmall c orro otio n of only 3 degrees in course.. Tho Mttuzen Oil Refinery is OD.

t h ooast t1i. th a river running along the nor thorn s ide of the ' target.. I t abovaup on the JPO..7 as an exoellent re tu rn . On tho f i r s t mssion. an al t i tude15.000 foet mlS speoif ied. The resul ts ' ; 'lere'negligible, but rr.afx:t close hitsi1era cado. Thorofare. for the seoond at tack . an alt i tudo ot 10.000 tee t vasplanned ...

(a) For Mission 251 throuP,h 254:1. Four speoial jaIlDing ai rcraf t ;rere roca:cendod toruse on the mission to the Chiba th'ban ,irea because of the searchlight"'li3Y f i . ; h ~ c rcombination act iv i ty along the approach. Tno of the special a i rc ra f t 7cte to

orb i t in a lO-Ib.ila radius c i rc le about 3532N-14010E a t an al t i tude o f 15.000 feetfo r onc an d 15.500 fee t for the other . The other 2 ai rcraf t :lere to crbi t 1D. a10-milo'radius around the center a t 3536N-14008E a t an al t i tudo of' 16.000 toet:fo r ODC, and 16,500 feet for the other .., Those spooial jar;cing airer: l t t ilCrc tobarrage ja m tho 190-210 megacycle and 78 megacycle rogiollS 3lld spot jac. gw l -layil1& o r s ea rc hli gh t signals appearing outside the b:lrTago. .Qdibonal quant i t i e s of rope were to be carried by theso a i rc ra t t .

. ~ < > 1'b specia l jaI!llling a i rc ra f t '>loro rococ::.ended torMissions Numbered 252, 253, and 25 4 becauso of ~ a G C r flak aM searchliGht do-fenses in these areas . ,.11 st r ike ai .rcrat t mro to ca t t y ja: teing equipllCnt.Ropo qao to be carr iod and d i s p c n s ~ d in accordanco uith cxistlQg r C c ~ l a t i o c a .

(b) Mission N..unber 2c;S;10' Each ai rcraf t 0783 to oarry rope to be diapoD.1locl 'CIbeDprotect ion nas noodad frOtl radar 00 ntrolled flalc and soarehlighta.2 . Since tho 315th '.ling '\Tea DOt: oqu:Lppe4 with RQII 4111""""search and j8lll!ling could not be COnducted.

(6) . l ir-Sca Rascuel (See p3r ' t VI, .4 to r d e t a i l . ~ ) 1'be""\1llS f'urnlshod tr ith do t s l s o f tho'missions aM providod the tollOllllliS...tr..saaRascuo fac l l i t ios : '1 0 submarines, 10 dumboa. aDd ,. eu.rteoe Tea_I . . III aM iU .to those fac i l i t ios , tho Nlvy assigned o rub boats iA tbe rlc1AU;r o t the M('


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(2) Enemy ~ ~ t i a i r c r a f t :(a) l ~ s s i o n ~ b e r 251: The nnt ia i rer3f t defenses at Chiba

~ e r e as f o l l o ~ s : heavy guns, 10j m c d i ~ weapons, 44; searchl ights , 16.This ~ a a very ~ 6 ~ g e r defense a g ~ i n s t night at t3ck. Only ccagcr to m o d e r ~ t efl::lk .13s expected, but tho route neecss.:u-ily crossed a part of the o uter sovCbl i ~ t defenSOs of Tokyo (Chiba Peninsula) . ..t the pl:\Uned al t i tude of att':lck.10,000 to 10.800 foetI the ~ e d i ~ ~ f l ~ k ~ o u l d h3ve s l ight to n il ef fec t on the .at t3cking a i rc ra f t . I t ~ 9 planned to approach this tgruet froo the s o u t h e ~ s t .,-,ith a 180 degroo turn foll(r.7ing bombs "l.il3Y. This route 'aould avoid 311 otbcrf lak areas and '."7ould not expose the a i rc ra f t to the Tokyo defenses.

(b) ~ s s i o n NUmber 252: Tho dofanses of : ~ s h i ucro as fol -lous: heavy guns. 19; medium ~ e a p o n s . IB; and searchl ights . 2 . This un9 a very'."7oak defonse agains t night at tack 'and f lak"uss expoctod to bo n i l to meager a ttho planned a l t i tude of attack (7.000 to 7.800 foe t ) . The approach t t ~ s plannedfrom t he southuost , ' avoidi ne f lak areas on Shikoku. . l e f t breakauay. avoidingtho Himeji dofonsos. ua9 spocif iod.

(c) Mission Number 2'i,: In tho Shimizu-Shizuoka area there;70ro t he f ol lou il ig an t ia i rc raf t defenses: heavy guns. 20; ncdiw:l "i7Oapons. 25;and searchl ights . 1 (estimated 2 to 6 ) . This a.1'ea ..-ms very sparsely dcfcndodagainst night at tack at tho planned al t i tude (7,000 to 7.800 feo t ) . Tho routeuas planned to avoid the dofonses of Numazu and Kambara on tho north sbaro ofSuruga Bay.. The brcakarmy uas due ';1cst and then soutb;rost to la :ld 's on:1.

(d) Mission I\\J.mber 2'i4: Me age r and i!l3.ceuratc heavy f lak h!ldbeen encountered. over Kofu on dayl ight missions, hO":1ever, Photo[;1'8phic r"connaissanee fa i led to in dic ate defenses located there . . 13.200 to L:..OOO-footat tack a l t i tude '.1as planned in vien of tbo proxici ty of the eourse to Jb ult Fuj i .4 t th i s a l t i tude . f lak ~ a no Problco. in planning. 'iho route . . :!IS Just bttc.1 iDrange of the Shizuoka defenses . but only meager and inaccurato fUk W'3S expected.from t he s e de fen se s.

(e ) Mission Number 255: J&:ager aOO inaccur.:Jte r b k h!!li boeAencountered a t \7akaYaJ!la but there nere no adequate photographs or tho area \0confirm it a t the 15.000 to 16.000 foot al t i tude planned. Flak uns of c1acr im-portanco. The route ttas planned to avoid a l l knoun defenses.

3 . EXECUTION OF THE MISSIONS:a . Take Off: Taka-offs uore accomplished as fol lovs:

Mission :lins; .Patbt indgf . u r c r g t Str ike Airsrpt! l i r s t "'Jse..Q(t W I M1..Qtf251 58th252 7:Jrd253 313th254 J14th

315thD I Bomber ~ n

12121213

4

117 0 6 0 ~ 3 % 06uo&a1 1 060806Z124 06084% 061D3'Z1 060730Z 0 6

--2.. q6g7pOZ P'9'Wo607IJOZ .611.....5/05

'l'b18 to ta l 4008 00'\ 1nollMl. 4 JDrI a l r a r en ud 5 ~ b. Rput. M . I.oac Z'8IlrSI aarisaUOIl . . . .aOClllllP11 to a l l _2 ..

. . 1II41Y1d.ual a1rozoatt. total. o f 8 unsataN ". a l l 5 I

. . . , 1aDUall "'_4 '0 be soeeai . . . Ocrft'od ori"".':Loa . . . .... .. idn:Nf1I talled to b PI':l.uI'7 ..... bO 771


11/75

primaryVarious

(1) Primm Tarllets: Target nrea navigation. O1ind dotonninet ionoand bombing :7ere aecanplishod by radar . 'i1inds in th e target areas vo.ricd trom270 to 300 degrees at 20 to 25 knets respect ively. . to ta l of 570 8 -29' s d roppC6d 4306 tons of incendiary end senoral purpose bocbs on tho prioary t 'U 'got s f romo l4l9Z to 06l905Z a t al t i tudes ranging f r 6,900 to 17.100 foo t .(2) TarllOts of Opportunity: Fivo 8-29's , 2 of ';'fhich also bCl:lbod

ta rgets , dropped 23.3 tons of incendiary and general purpose bOl:lbs onta r3ets of opportunity.(3) Remainder of Forco: Thero ncro 21 non-effective ai rcraf t .

d. Route Back: Returns to basos nere as briefed, : l i th the exception at21 8-29'5 >7hich landed a t b o Jima t ions as c. Uindin3:follorls: .. i rc raf t landed a t home bases under good ilOather condi-lI1ission ::.!i!11 Fi r s t L"mding Last landing251 58th 062251Z 070243Z252 73rd 062040Z 0100013253 313th 062100Z 062334Z254 314th 062128Z 0623522255 315th 062l0lZ Ob22SZ:;

XXI Ba::Jbcr Comoand 062040Z 0702430~ n of f . Losses: One 8-29 of the 3l3ththe r u n ~ a y because of brake fa i lu re .

g . Operations .9uIm:lary:'.1ing o;ms lost :lhcn it r:lD. ott

...11 c r c ~ c r s "ere sa9Od. t h

(1) Navigation (Soe Par t I ..annex . ~ fo r Track Chart . ) N!royigatioDand t ime control as a uhole : lere considered sa t is fac tory on theso missions.There nerc . h o ~ e v e r . moro individual diacrepancies than on previous missions.Those discrepancios nere made by approximately 1 .3 p er ce nt o f the a i rcraf t1ng tho t a rge t s and noro not considered eXCessive.

bcrnbilll); uas(2) BombulIl::

acccmplished by (Sea Partradar . I I I , ..nnoz .1.. fo r dota i l s . ) Most ot tbe(3) Fl igh t Ensinoc:t'ingJ (Soo Part IV, .oDnO% .... tor Q,art. &Dl1

Consolidated Sta t i s t i ca l Sum:1ary .1nno:z:: E. tor dot : l i l s . )(a) Narrat ive at Miss i on s " Flgqnl

1. Cruise to tho !lA, q . lAg l l I IdlYid11.al oliJlba 'CI8r'O ...: l ! l I Z l O d i a t e ~ a t ta r tako-of't to alt i tudes botveeD 4.000 aDd 8.000 teet wb8re ..iD1tial crnise a u tlOQD. Nf) all8Olllbl1oa vere lI8do. Q:apro loa. at tbo taroeen o effoatod by n1'71ac cruising al t i tud.. aDd a ir .peec1o

.2,. Rupl sa .b1aa: ' " OOIIllu.otod b7 11111ft48a1 aU'-ann a t alt i tu408 betlJ8OD. 6:900 a1Id 11.100 toet_

J . "'turn to "'11 RDtunt &0 baHe ..41'ri4Ual a i rc ra f t vithou,t 41UloulV. Mlnt_ h a l : - ~ : : = = ~ J.t 10.000 to 12.000 teet &lid. d"coDlU . iAM tb I Ret t ie . . . ..... JlMida as QMU'111d br' t b b bMlIquuo ben

0.) ? 7C1" ....uz. ......


12/75

!QB ! !except the 315th, carr ied fu l l loads of bombs. The 315th " ling . car ry ing 500Pound General Purpose bombs. carried an average of 74 percont of fu l l l o ~ d capaci ty and landod ui th an average of 1386 gallons of fuol ....11 (4) Radar: (Sec Part V,bO!.:.lbillti >;;as accol:lplishcd by radar . ,nncx .1.. for detai l s and Rad3.r Charts.)

:'/cre not(5) Gunnory: Soo Part VI. \llnox " . fo r de ta i l s .(6) ir-Sea. Rescue: (Soo Part VII , .onncx " . fo r de ta i l s . )di tchings or bai lou ts , and a l l a i r c r a f t ~ e r c accounted for . There

b o i7eathcr: (Sea ,.nnox B. fo r de ta i l s . )approx imately a s predic ted .i . Communications:

jeathor on theso Qissions

(1) RCMI (See Part I .\.TlZlCX C, fo r de ta i l s . )(a) '!he spcci.:l1. jan:cins ni rcr3f t used by the 58th ""inc; on i t s

niss ion to Chiba vere employed successful ly . , to ta l of 15 siGn;tls ';'l'er inter-cepted and j a ~ d . Cloud cover in tho Chiba area aided in prcventina effect iveuse of searchliGhts.(b )jBI:l:lOrs. employed ropo The 315th :71n.3 -:rhich 1raS not yet eQ.uippcd n th electronicas a countermeasure ';'l'ith excollent resul ts .

(2) Radio: (Sec Part I I 1JlnC.J: C. for deta i l s . ) Tl:.cro ';'l'OrD :: '0breaches of net discipl ino or violat ions of securi ty reported during these ~ s sions.

j . Intel l igence Sumnary:(1) Enemy .J..r Oopesi t ion: (See P:1rt I . 1D.."WX:I. far det.!.ils.) 4"-

prOXimately 60 to 70 e n o ~ f ighters ~ c r e sighted on these cissions. ~ i t b only 5at tacks being made against B-29's . No B-29's were los t or d ~ c d 33 r o ~ u l t atthcsa at tacks . 8-29 crol7s m3.dc no clailllS.(2) ~ c m Y ol. ' l t laircraft: (Sec Part I I. t o : l n ~ D. for dehiLs . )

t l c ant iarcraf t opposi t ion ~ a encountered on those ~ s s i o n s . TQo a i r c r ~the 3 l j th ~ l i n g sustainod flak: dl'llllagC on Mission ~ e 253 aaalnst Shimizu.l l t -0ri th SOClC goupe

u s i n ~ fixed angle re loase .


21/75


22/75

1. No, or Ale f i r ing :__- - ' _2. Averaze turre t lcsdl

OF466.6 '!:.350 L\315 IF2003. No. of r awds f i r ed in CCI:lbat per turre t l

OF UA L \ II0 0 150 0 4. No. 0< rOJ.nds f i r ed in cQ:1bet 1SO 5. No. 0< ramOs used fo r tes t firing 5095 6. Guns Loaded; . 5 , , 8 " ' t h ~ . I ; ' i " ' M " - 7.J'ir;;d;;:';h,,""-", 113th;. liMliot Cold Hot 3J4tb;ilDg 315 J hHot Cold

7. MalfuncticnslDynamotor w tTurre t lag in trackingat OJing cireui t OJ.t1 speed system cu t

C,;.,L, .5 0 M.G.8CIlIlD.1 t1 en jsms -2QJ.ns OJ. t at hoe 2ba l t 5 1 teh bacbarda

( :..ro.15 !laltuneti ons- sixteen (16)8. Equipnent operaticn (Total percentage opentiTe).

c.r;c.99./1( CU.. ,50 .M,G.9'l.719. Remarks; AFG-IS mal1'unc t i OM "liere che to lack at kDodedge

or set

Based CI1 J1ng Gunnery Off icer 's F1epCll'ts,


23/75

TO 0621

145-SECRt;:T

MISSION NO 251-2DATEXXI BOMCOM.AIR-SEA RESC

.,,.IS

..

I- - - - 1 - - "IIIIII

Cl:.H1........ I, II---.+--'IIl JUIlIJl. IIII

f/-10-__ " I/'- ", ,.-.,.....,.. ........... ,

I

010

135-PART .JllI... AIR-SEA RESCUE CHART

J

,

.- SUBMAR"E0- SURFACE VESSEL.. - NAVY CUMBO- SUPER OUMBO

IIII----f--IIII

--

.........._ ......,.

' .. . p,

APftIL 1945

,o. - - - j . . . . : : : : : . - - - - - + - - . . : ~ ~ \ " ~ d \ \ _ _ i 1 _ - - - - _ + - - ,

."-


24/75

B

. i E . \ T F ~

Pal!t I - ./eather &cnaryPart I I - Chart _ Forecast V8 _

Observed ,leatherIa r t I I I - PrC60cetic MapFart IV - Synoptic ~

Missions No. 251. 252. 253. 254 & 255


25/75

Bases:

RQJ.te:

Targets:

Bases a tTake. Off:Roote:

Targets :

Bases tnReturn:

5-7/10 lOT elQJ.ds. base 1800 f t . tops 10.000 ft n'ith re2 to25.000 f t . and l ight to moderate sho:lers ttith 5/10 mildlec1QJ.ds at 13.000 f t in morning. C1QJ.d amcu.nt deereesing grad-ually in afternoon to 4/10. base 2000 f t . tops 6000 f t .To ISO !V; as bases.To coast : 4-6/10 lOT clQJ.dS. base 2000 f t . tope 6000 t t ';litbfet' tops to IBrOOO f t and ';lidely scat tered shooers.Tokyo: B..1O/1O 100 c1c.uds. base 1500 f t . topg 5000 t t vith10/10 middle : lcuds in brcken layers troo 10.000 f t to 16,000f t and 7/10 hlgh c1wd3 a t 26,000 f t . Slm clearance inafternoon to broken 1m and scat tered middle clQJ.ds.Rest : 5.1 flOT ni th b.-B/lO 100 clQJ.ds on ":Jind;rard slopee andshores and 3-4/10 on lee sides \lith 5-6/10 patchy ciddleclOJd a t .14-16.000.

OPER..TION..L FQREC:.srScat tered 100, middle and high clQJ.ds ' : li th scattered lie,htahooers.There ~ " / i l l be scat tered 107, I:J.i.ddle and hi c10ld8 ':litbs c at te re d l ie h t samers a t sOJtbern end at the zone to 2)011.FrQ:l 23 N to 33CN there ':1ill be scat tered to brc:io;en loa clcudoand scattered middle and high clQJ.ds. ?rce 33 0 N to t!C"gtthere n i l l be scat tered 100 and high C10lds ';lith scatter. :dto broken ciddle c1OJ.ds.Kotti: 5/10 CUI:IUlus, base 1800 f t . top 6.lO.OCO f t , 51 alto.s t ra tus in layers bet7Cen 16.000 f t a:ld 18,000 f t ; 1./10 i.rTwIa t 30,000 f t . "."/inds a t .1l,..000 It >7ill l:e 29)0 a t 20 knots.Chiba: 6/10 cur:w.lus. base 1800 f t . top 6000 r t i Ill:! alto..s t ra tus . base 15.000 f t . top 17,000 f t ; 3/10 cirrus a t )C.CCOf t . ./inda a t 10,000 I t :7111 be 300 0 a t 20 no t s .Shimizu: 6/lJJ cumulus, base 2000 f t . top 6000 f t ; 4/lD sltc>s tra tus a t 15,000 It; 3/10 cir rus a t 30,oeo f t . J1ndS at8000 It >7ill be 3000 at 20 knots.Akashi. 4/10 stratccumulus, base 2000 t t l top Eooo f t ; l/lDc 1rrus a t 30.000 f t . .hnds a t 6000 It 300 0 at 15 knoUt./akayamn,: 4/10 stratccWDUlus. base 2000 f t , top 6000 t t ; l/lCc i rms a t 30,000 ft. oJinds a t 10,000 f t wil l be 300 0 a t 15knots .Scattered hV, middle and high cIa.uis.


26/75


27/75


28/75

,.A.wr

"IWQ JIMA

&'

-.., -( ...'",--'


29/75

~ f I,,I " ' .

.... r _ / ' " f/ ,_ \A y ' . , . , . . ~ 1 --

, , I,.,'


30/75

c

Part I _ Radar Cwoter MeasuresIa r t II - Radio


31/75

p:..m I _ 1011", PJ.rpose I

s . To D/F early 't7srnina. gunlaying and searchlight radars.b. To cCDch1ct a general search in the 20-3000 region.c . To barrage jam the e n gunla.Ying and searchlight radars

in the 7 2 ~ 8 4 m:: and 190-210 me banda and to spot jam allY gunlaY1.Ilg c.s ear ch li gh t s igna ls appearing cutside t he bar rage .d. To conf'use enecy searchlight and gunlaying redan b y the

use or rope.2. ~ t h o d :

a . Taenty-feur H ;M observers participated and used tU fa l l -ming equilJ!lent to accanplish the search and j a rc ing: 359 - .:..Pr..1.192 _ ; ~ I Q . _ 2 , 12 _ : Jq -8 , 23 - ! J' I' -3 (Modif ied) , 24 - :JR-4, 18 .. :..F':"-ll,2 _ . ~ 7 , 4 ~ - 5 , (, :"pil.-24 and 1 . . ..F.-6.b. Rope 'I1as dispensed a t the rate at 3 OOnd.les per 10 secccas

"hen protectiQl uas needed fran searchl ights .c . Feur spec ia l jaa!ling airplanes ;rere e : = : p l ~ e d by the 5fth:Iing, target Cbiba, to circle the target area dlring the s t r ike .These specia l j8DlIling airplanes uere equipped to barrage the 72-BL me

and 190-210 me regions and to spot jam. allY gunlaying or ra4ar sig:Dalsthot appeared eutside the b a r r a g e band. In additiCZl., each s t r i a a i r plane carr ied frQ!l 1 to 2 j3D:lers tuned to 3 frequency 1J1.thin thebarrage bend.

3. :Results *a . The speoia l jOlllll.iDg airplanes appeared to be suOGuaful.A to ta l d 15 signals '\'lith gunlaying and searchl igh t cMrocte rl s tioa

were in tercepted and j ~ e d . CIOJd cover in the Cbibl!l area p rennte4ef fec t ive use of searchlights .

b. Seventy intercepts '!fere roocrde4 and are 11ned at tbeend at th is sectiCZl..

c . The 315tb iUns, target )laNsea. aU RBfl_%7t " a,oI: J'dequipped m th olectrcc1o jammers and rope ft. tbe CDly CQ,lDtu.ll- .anc p l C l " l d .

a . ROJl8 vas di.apeDlSe4 $I a cteteu1Ye .....-are -ealU't1&lRere On 2 ~ o a a i C D a , tbe t1&b'en . . . . lem a' , olalClDIr: ...a ' 400 7c11 alut tlbea. rq:18 .a s diQeDH4, &her . . . . . . . '0 di f t .-aa.4 ..., trca tbe ai.rp1u8. OIl 2 o t b U ' ClDou1_ . . , . . ..... . . .v a l .101 obuI rp . aD4 t hea t rapped ,be a ' t edh U_. . . ._ tIT ,be \0.11 . . . . r .Ub e r d l l J' . . .1 AIV.ua-u.. . ",_, wi '" _ .-. . . . . . .Me ,.&VtA05--...... __ 8Il11P*le..... ~ _._.) .s.._&a__ . . . . ........... ~ . ~ ~ .


32/75

..'p.RE.'t:

00060 2000 10 2930N 14ooQ;; 070645 2310 21 121 S go, roHI00070 2000 12 35311 13930 070745 0142 21 121 S OL oTAD300072 0485 36 3325N 1382!B 070745 0125 21 121 S , ," ' 00101020200075 0495 20 3425u 138228 070745 0115 21 121 S ".., em00076 1500 06 3530N 1393CE 070745 0141 21 121 S OL OTA0300076 2700 40 300011 1 3 9 3 ~ 070645 2315 21 121 SOOOBo 0480 35 325011 13832 070745 0120 21 121 , .-, 00101020200081 0980 30 3305H 13950.:; 070745 0400 21 122 P ..., r:HI00081 0480 36 3 03511 1394% 070745 0247 21 122 P , ," ' CHIoooa8 0500 30 3130if 1:3930 07


33/75

P."RT I I _ R.,DIO1. Str ike Reports, There \1ere 41 Strike Rcp


34/75

' ~ Q ! ! : g !(3 ) Unintol l igible C./ a t 18JOZ flee af fec t ive .c . 10305 Kps: Negligible .d. 1145 Kcs; (This frequency has been replaced ni th 3160

Kcs)

inef fec t ive(1 ) Jap s t a t i aw . operating fran 09QOZ to 2000Z ':lore

to effect ive .(2 ) Eneoy (f,1 frem Target to 1uo '\'las par t ia l ly ef fec t ive .(J) Jap voice a t O ~ 5 Z ";las p31"tially ef fec t ive .

e . 60'15 Kes,( l Scratchy noise bet';"leen 1uo aDd Traget gas part ial ly

e f fec t ive .(2 ) Unidentif ied C.l a t 1530Z ':Jas effect ive .(J) C:l fran (3) statiQ1S a t 1245Z ...as etfeeUva .. .(4) Jap voice a t 154.5Z ';11lS part ial ly effective.(5) Unkneun sta t ion sending aate t i , r grOJps and rm::ber,no authenticatiCll, a t 1549Z u3S efteetl.ve.(6) Steady note frCI:'.l Saipan to 1uo oas partially eftEict iT

r. 10880 Kes:(1) C:i fran 2 or 3 stat ions btnf!en 161020 and 17C4Z ;ns

par t ia l ly effective.(2) Steady tone and (;:1 transmissicns bet:reen 160az and

1630Z >7ere part ia l ly effect ive .g . 1410, 7310 KeS: Negligible.h. 11160 Kcsz (This has been replaced '\lith 10125 Kcs).

(1) Keyed 0-.-/ signals betQeen 0945Z and 12QOZ ';Jere ineffective to very effective.

(2 ) (J,l betueen 130.sz and l500Z vas inerfective.(3) ;. varying tale s ignal bet016en 1700z and 18JClZ v u

effect ive .i. 3990 Res: C'J eode and dashes a t 1804Z :Jere Yer1 etreet-

ive .J. 7415Ke8 z C.I eode and daabea a t 172& n re TU7 ettf lOi: iu.. 10820 J eS t Negl igible 1. 3810 Ip r;.l a1gDal at ; l200Z vas . treoU. . . ... 6640 I PS I Int;mmi\teD\ (1.1 he. .l.2OC8 . . JlU'ia11Fi f t .


35/75


36/75

D

mT3LLIGZNCEP.1J"t I - Ezla.",1,v A.".r 0tlposit.iClD,.Part. n - E n .\ntiaircraf't

Jam. Ie. 251. 252. m. '5'.'s'. " ,


37/75

P. .R ! I _ ZliIE'r:Y :.lR OFPOSITWI

1, The Jo.po.nasG ... i r Force d1spc.tched 50 - 70 o.ircro.ft o.go.1nstthe n1ght s t r ikes on 6 July 1945, Only 5 ~ t t : : l . c k s resul ted with nodonnge or loss to 5-29' 5 , 5-29 crel' lS made no cl;:l.lms,

2. 1;15s10n No. 251. 58th "Tine:. Chib;l:D., .-" toto.l of 18 o.ircr::l.ft "ere S30n but there w:l,S only 1

o.tb.ck fro::! 0. p r o b o . ~ l e Tony,b . I t 1s believed tho.t jor,Cer 5_29s ha.ve 0. decided ef fec t

on o ~ e m y night f ighters 0.5 well o.s on enemy ground defenses .3, J.:iss10n No. 252. 1 3 "ling. nko.shi: The re were no

o.nd only 3 onQtly c.ircr: lf t (With wing t ip l ights ) ....ere socn,undcrco.st co.y have res t r ic ted enec.y nctt vi ty.

"' . i.!ission ~ ; Q . 253. 313th ' nng . ShicilJ!:a. ;,. co.xic.w:l of 12 enemy o . i r c r : l f ~ \701"0 sil;hted on th i s mi: ;

s ion 4 o.tto.cks \ ~ r e repor ted,b. Jus t o.i'ter lo.nd' s end nn enemy o.ircro.f't w:t.s seen to ra

lOMe c. spheric:l.l glowing object which descended gra.cl.ually fo r :l.bout3000 fee t before it WOos los t from s ight , Fit.-o minutes lo.ter 2 ~ e r cof t he se o bj cc ts wore seen, presun':lbly supported by b:llloor.s or p:lr:lchutes . The crew VlnS un de r th o i;u pre ssio n th:l.t :111 3 were releo.sed bythe sone cnemy o.ircro.i't. None of those objects ';'.:l.S c lose r thlUl 600yo.rds to our o. ircraft o.nd go.ve no indiCo.tion of pursu.i t ,

5, l.Ussion No. 25010. 3H th '"ling, Xofu: -'oIl estll:lo.ted 20 22 : l i r cr::ll't lI'Cro seen bu t no o.ttOocks were reported.

6. Mission No, 255. 315th .ling. EQ,ru1.on:0.. One of tho cre ....s reported being pickcc' up by 5 onemy : l i r .

e rd ' t 150 n:l.utico.l miles from l::.ndfc.ll, tho cncay circro.! ' t st: .ying\7ith tho 5-29 unt i l it VI::l.S 50 miles from b.nd1s cnd, fo r 0. period ofOnO hour ~ 20 minutos,

b, The 5_29 "c.s pic\t;ed up by 5 enemy : : .ircral 't whicb stayodui th tho 5-29 unt i l tho i n i t i a l poin t W:lS rO::l.chod. During th is period.so::\e 15 to 20 PQ,uos wore made ::l.t the B-29, .:.11 of th.) onccy c.1rcr: .t thod running l ights and 1nhding l ights on. ~ of the enemy o.ircr:.ttvlOrO rou.,hly o.broo.st of the B-29 (md criss-crossl)l1 frolll s t ... rbo:l.rd topor t Q.nd from por t to sto.rboa.rd, wcc.ving undvr tho B29. Ono of th ocnomy a . ircraft lIQ.S sto.tionad o. t 4. _ 5 o 'c lock high. a.nd mllCle Q. pdS ::l.ttho 8-29, which took evo.sivo act ion o.nd los t the.. a . ircra t t . On pulllDCout of tho ew.sivo Q,ction. o.nothor cnemy o.ircro.ft .:IoS notGd OD theoppol1to siele o..t '7 o'clOCk a.nd s t i l l I U \ O t b ~ o n O ~ ::l.lrcratt C laf rcu below. turned r ight a.nd broke a.wo.y elowmrr.rd a. t approz1Jll1w lT 300y . . . . . c. On the tC&l"&Gt run. tho crow 80 . . &",oa l l p t a . 0" ODrlr}rl< Idll1 ODD on the lo f t , o.t tM sUIO DlUtude o.a tho 10.1!lOOt o n . ".,. _ re llheo.d. o.a.d coaing t.owa.r4. tho B-S . 0-." D 1__ r to B-IP a.bout 1,000 to 1.500 tee t b low, fa . otIIer ..... a l l oret1l o..t 10 0 ' cloak. tw'aed ilL towlu'da the .... but .t - 0 ' 01 ' - ' at;ebad eoo ,.ua. b1'Oko ...., to tba r l p t .


38/75

d. Shortly af ter ~ o r . l b s 'J.,!ay, tho c,'C=',: ""?orta th:l.t 2onolllYc lrcr :L !' t w ith landing l1&ht:; or nacigation 1 ' l . - : ~ t c = on in f ron t of thoB-2S c.nd high. 1 a.t 1 o'clock, :Lnd 1 c.t 11 o'clo(;;:. s ta r ted pursui t; ~ l r v o : ; . Wlthin a. J:Iatter of c. ninute "f ightors ' , , ,cN cordn; '\11 ovcr- .~ n Crew reports th a t 12 to 15 defini t3 passes woro l l l : l .d_ with 3 closingi ~ ~ o le ss than 100 yards. Two p l ~ n ~ s wero raported ~ o k i n ~ pursui tct,rvos closing in to loss than 300 :. 'ards with 1 Z;\,,!:lY ai rcre . f t :>.t t,o'clock c utti ng o ff i t s Ic.ndinb l i bh t s . On:. o th:;. crew r..eo'bors st::.tcdt ~ 12 ene:ny nirer:: .ft "ltOTe sight::;d fro::'! bo ",}.:; a"ay to pc.st l ':.nd'a entifo r a par10d of 350inu tcs .

o. Sav;;.raI possible in ta ,ded r ~ ..~ : w:.ro reported. .; B-29crO',1 reportad 0. s ingle-cngine r . ) , . i ~ l f igh t3r t::!.t C::u:la in fron 9 o'clock10701 \ ' i th i t s guns bOQring 900 to the t'1.ll. E7t\sive act ion t : ; . k ~ n W:..$:.. vio lon t t u r ~ t\nd di'TO to t h rlg..'>1.t. Th:l C'. ' ;_1: c.ircr:.ft .....as roporteda.s c lo si ng i n to witt,in 25 y;:..rds. ~ twin .1'1.;: ' {..nCC!y drc r . : . f t c=o1.1 fro;:\ 12 olclock, The 3_29 p u l l c ~ up in :. cl ir:bing turn to tha l ~ f t:.nc. "\;no c.ircr.: .ft '::ont under the. -.n:"l,!;. lt -,'I;).:; roport.::d o.s closo :.s 100f eo t i 'roi:l the t::.ll ::ond bole": thG B-29.

f . So'J'O r-.1 c r e ~ s reported tho pos.:Jibil it:' of drborno r-.d::.r111 t h onell':Y n1rcrd ' t . On:: Onellrf o . i r c r ~ t r o l 1 ~ d th::: B_29 throu,;helouds o.nd \".':\.s los t when winCiow 1 " ' ~ S dropp::;d, T1-tc crc.T1 b ~ l i c v c d ttn.ttho enemy :l.1rcr,3.ft could not ha-!03 follotrod t:l: ' B_29 visu:l .l ly. iJ'-wr1 ~ , ~ : i ' s end 2 en


39/75

d. Short ly l l f t e r '!:>onbs ::,r';;..y. tho c r ~ " . O?OrtB th.'\t 2 on",myt l ircr:d' t with l and ing l i&h ts or na-igation. H .::t.; on i n f r o n t of theE - t:;tld hi&h. 1 a.t 1 o'c lock, and 1 eot 11 o'cloc: : . s t a r t e d p u r s u i t~ l t r V c . s . WIthin a matt.er of I l minute "fighta:,s were co:ninb :\11 over".lho crew repor ts tha.t 12 to 15 d e f i n i t 3 passes ~ r no.d_ ~ i t h 3 closingi:'l. t o lc;.s$ than 100 yards. Two pl: .n;s Vloro roported r.:a.kinE. p u r s u i t~ ~ ~ ~ ~ k c ~ ~ ~ ~ ~ ~ g i : f ; o i ~ ~ s ~ a . ~ ~ ~ ~ b 3 ~ ~ ~ ~ : ~ s ~ ~ h o ~ ~ ~ ~ ~ r ~ ~ r ~ ~ ~ r ~ t s ~ : . t o dth.:\.t 12 enemy o . i r e r ~ t 'l'lCTG sight:;;d from bo "J:> ,,"'-ray to p a s t b c d ' 3 ondf o r n per iod of 35 i:linutes.

0. Sevyral p o s s i b l e i n t 3 ~ d e d r;:l,l"'..r..!;l:s \T:.ro :-COlorted. :. B-29c r o ~ reportcd Co sin&lc-on5ino r a ~ i o . l f i g h t o r t ~ t c i n f ron 9 o'clock10'101 ,-:ith i t s guns bonr1ng 900 to tho t:-.ll. E7ctsi'le a c t i o n t:..kcn ",.:.s:. v i o l e n t tur : t :;lnd di70 to th_ ri!;-"-1t. Th3 C _::1.---:' c.lrcrc.1't ""0.5 l"Ol)ortodc.s c l o s i n g i n to ..... i t h i n 25 y


40/75

LOO .TION

lbha Jilll3

COORDINXI'ES

3532N - 14020&

Mangos am. 1D11ocUato.codium.Predictad concantrat- 'ion of 8 hony bursts .accurate.t.b


41/75

3 . Mission No. 253, Shir.dzu Urban ArC ' l la . Tho prim:trY target ,las bombed by 133 Ale of th e )1 3th .iingbetfteen 1533Z _ 1710Z : fr oc 7100 to 8300 fee t . "Xi s or ntt


42/75

g . One ,I./e reported ground t o a i r rockets over the targotllI.~ c r o Dcomed t o bo 2 b 3 t t e r i e a launching 5-6 rockots each s i ~ u l t ~ n o 0 U 8 1 Y .t nas f u r t h o r reported t h ~ t a f t e r reaching the ~ l t i t u d o of tho n/C(7800 f e o t ) tho rockot t r a j o c t o r i e s ~ o u l d level o f f for a time perieda p p r o x i Q ~ t o l y tnico tho timo poriod of a a c e ~ t .

4. tKssion No. 254. KOfu Urban Area (Night)1a . Tho primary t a r g e t ;m s b c r n b ~ d by 1)1 4 C of tho )14th :ling

bct';iccn 1 4 4 T ~ t o lo35Z from 11.200 t o 17.000 f e e t . .x is o f '3tt3.ck v'3J"iedfrom 00 to 490. ,1oa:thcr U:lS reported 3S 8/10 t o 10/10 underc33t ...nthmnda of ) 0 knots f r e e )000

b . En routo t o tho t:ll"gct f l a k U'=;l.S encountered 3 S t :Jbubtcdbclmfl

I..oca'tion

Shizuok=;l.Qnaosaki ( I . P . )

ShiJ:Jizu

Coordln:Jtc53458N 1382]E

3436N - 13812E3501N - 138JOE

~ 3 g o r .00 i n C l . e c u : ' ~ t e ,h ~ v y .tJi ~ d i u : : l e!.b:lgcr in:Jccur':lte:'OCdiU::lel.b3gcr aZld in-",cQ'.1I':ltc,hc:lvy and lXd i 1Jt1o

lOOuth of F u j i G:lila 3508N - 13838E M:;::tgor :un iMce...r:lto.ccdiu:::l.c. Over the t a r g e t a r e a f lak 110.5 descr ibed .:::1.5 t:l.::tJ.6cr, i n ~ c ~ ~ O

and heavy by only 1 Ale. 36";0 reported Ocdlu;:l fl:lk :1S ~ o :md i n -accurate. The remaining ale found fl:lk t o be n i l .d . On ",11 thdra.ual fl ' .lk uas observed as t:lbuhtod balao l

e. No Ale noro lost or d 1$'1.800 30S s Z'oeult or tlU.- t b l .

loc3t ioJl

OShima

NiiShil!lll

IQ9!UCII,-...-I am

CotlrdjMt08.3514N - 13910E

J442N - 13924E]423N - 1391bE

'lord accUl'sto.ho l.vy ') liblor3te aDd.In:lccur:J,to, m...dlu=.

Mo38OZ' "lD4 i ~ o C W ' a t e .h.,).3-.y :lDd diu..

, r- IIIIIJII.... . . . . . .'


43/75

l o c ~ t i o n C o g r d i p ~ t o ;14:Juth of Fuj i GaI73 350BN - 13838EOShima 3442N - 13924E

2-42

5 .. Mission N o 255. ! it ruzen Oil RcfiD;rv a t Shiotsu WiSht};a . Tha primary target vas bombed by 59 "';C of th o 315th .ling

bett'lccn 14\52. to l5lBl. f roc 10.200 to 11.500 foo t . , .xis of 3.thc:k3.Vor


44/75

1. Sun:mo.ry:a. Chiba City damage resultulg from XXI Bomber Comr.J.:md Mission! 'h. 251 of 6/7 .July 1945 i s .86 sCI.. m. or about 43.4 per cont of thobUilt_up port ion of tho city (1.98 sq . mu. as dotermined from photos).

tho nostbuilt_upb. Damage i s concontr,tod in the central par t of the ci ty ;shorel ine axtending cast to tho end of the nain part of thearoa.

r r

c . Lit t lo or no d"llD.age i s in the no rth"po rt ion o r the bull t -upa rC3 along the l7est c o ~ s t and. inhoo about 1500'. md in the south portionalong tho shorelino and inl'Uld about 3200 ' . No numbered targets ori m p a r t ~ t indus tr ia l areas arc in these areas.

Sq. A-:i.of ,ore:}2 . I tem iz at io n o f Area Damage:

The b u i ~ t up ~ b a n urca ( r c s i d e n t i ~ laDd commercial concent ra ti on ) runsalong th e c O ' ! . - I ~ . l i n e for about tolOmiles "-!'ld e X " ' ; q ~ l a n d NE about 6200 ' . l .q8

Sq . Mi.Ib.":nee

.86

Fcr cent ofIh.....ace43.4

3. Soo(':31 Supp1c:oent of DP..J:!agc .lSsesSr.l.ent Report 135XXI Bo!!!. Ca:::1 Mission 251, Cbiba - 9O.Ut-Orban. 6/7 .July 1/601.", Targots ,7ithin Built-up .>rca: Ibr:pgo

Jiu::l.bored to.rgots; NoneOther to.rgcts:

RR Junction .. St::ltion. Y:l.rds. RoundhousoNUlito.ry Depot . ~ e o . (Ordn3nce)RR Regiment .111rchouscsInfantr: ' SchoolPerider r.bg:lzinaRR RegiIll


45/75

Damaoe

rl Y

\ .'

APPROX)

IDeNTIAI.


46/75

P,OO I I I - SECTION B _ 15m. _ n . \ l . t ~ G E . l S S E S S l ' : : ~ : m ' .1 . Sur:t1nry or ihm;'ll"c:

Po r cent ~ Built-up arc,,":dostroyed - 57. Sq. M[. t o t ~ l - 1.42; Sq. ~ u des tr oyed : 0 .81

b. Pl'\nned target :troa.: 0.8 sq. mi. Per cent dostroyed: 101c . Tot:ll d".m"3Q to d:lte: 0.9 sq. c i . Per cent of: buil t -uparCo.: 63.5.d . Trlracts d::l.l:nged by current s t r i k e : 0 tlw::lbcrcd; 3 other ..

Note: Previous d'U:ll[;e to the c i t y resul ted f r m s t r i k e s nct inst T....rgct1}47 (by bombs f : ~ l l i n g outside th'\ t t ~ c c t ~ e o . ) .2 . Ihl:nge n i t h i n H o l t s o f b uilt_ up '11"0.'1:

:::l.. .I,I'O:l d'1,.":l.:lP-c f'rcn current s t r i k e : "SO.....- "..... D c s t r O ) " ~5 9 . ' Per centBuilt-up a r c ~ ( U r b ~ )Buil t-up urea ( I n d u s t r i ~ l )&li l t -up nrc"!. (Tot::tl)

b. d e n dao."(_e f::on a l l s t r i k e s :Built-up nre::l (Urban)Built-up n r c ~ (Industrio. l)Buil t -up urea (Toto.l)

c . D a n ~ g o to T:lrgots:

0.690.120.81

0.7450.1550.90

557557

59' f l635

M.unberUniden ti fi ed Indus tr io . l ' ~ C 3 S (3) 1.2 sq. mi.

T o b l I bm" ,

~ r n a q e outside b u i l t - u p area: (ni thin 5 miloof c i t y )90.25-1547 K . : m < J . s ~ k i .VC Co. Nono

radius C"t eo.ater

None

Inclosure: l ,t )saie o .nnot, tcd to sho'1 d 'UU'go

Basod on XX I B.C. CIU D Report No. l 5 ~ .


47/75

CONFIDENTIAL

40.' eooc1 FI("


48/75

Q Q l 1 ! l . f ! ' l i ! I ~ . 1

P..RI' I I I - SECTION C - SHIHlZU _ D.Ji,CE . ~ ' 3 3 E S S 1 : . : . N I ' .

::I. ~ n i m i z u City dYol."'-tic resul t ing from )0(1 Bomber Coa:nndMission 253 of 6/7 JUly 1945 tot : l ls .71 sq. mi. or "bout 50 per centor th e ci ty ' s buil t_up area.b. Not; 'lnd old d:::LliD,gc COver .74 squ"'lI'c ::lile or 52 per centor tho buil t -up ::Ire.:!;.

tho e::lstj (1 ) The buil t -up i ndus t rh l aro::l "\101'18 Shioi2U furbcr toabout .53 squ-:ro Tili le.

Photos) c . ShiIJ.i.zu Ci ty I s tot ' l lcover s 1 .41 sqU1.re r : l i l o s ~ bui l t -up ~ O (as d o t o ~ n o d frooI t h ~ tao dis t inct divisions:

S'Q.lL:U'e : r i lo. (2) The buil t -up c o ~ r c i ' \ 1 - r e s i d e n t i ~ 1 > r ~ j 3bout .88

d. . v i ea r l i e r XXI Bonber Co,D:md mssion le f t .03 s':!.u-U'e :::li.lnof d"l.':l.:\uu in both aroas .o. Mission 253 eoopletely destroyed .58 sqU'U"e nile or 'J.bol..t65 per cent or the cOl:l::l.crci 1.l-rcsidcnti-l,1 ~ c : 1 '-lld l e f t undJJ:l'\:;od only

s n ~ l l port ions in the c r t r c ~ e north ~ south s ec ti on s o f the ci ty .f. D:lr.J."'.lN in the b U i l t ~ u p industri::ll ~ e ' \ tot"1ls .13 squ-..rcmile or about 25 per cent of the n t c r f ron t ir:r.cdi1.tely ::ldj'lcont tothe ci ty 'lod north of tho ~ o u t h of the r ive r .g . In addi t ion to the d : ~ r . : n g c in the built-up nrC:l. "!.boot .20squ\re 1':Ii1e of d'lr.l:l{,o i s vis ible in outhying residcnti"1 1.ad c ina rindustr i : l l sect ions not included in the t ~ ~ t nrca.h. The f o 1 1 o ~ i n g n ~ ~ b c r e d t ' l r ~ e t s in the buil t .up i n d U 3 t r i ~ l1U'eo.. :"ore affected by Mission 253 (sec over1 'Y shcr.1ing nu:.lb.:rcd t:l.r.:;ots):

(1) T.::trget 1178, Shimiz.u Docks: These docks .:lrO north amsouth of the r iver mouth . >11 nOli dW1.ge i s confined to the nor;h . : l r a ~ .'"here 51 of 81 buildings 1.00 t7 'l rchouses 'l re des troyed. ::!nU repros"ntdest ruct ien of 1.bout 60 per cent of the north .:1%'0"-. or ~ b o u t 40 per c"ntof '111 dock build ings in the t t70 arco.so

(2) T


49/75

Q ! i E . l ~ l i N T I A . L-----2. SPECIAL SlTPPLEDrr

a . rt i thin Urban Area:(1 ) flu. ,bered T.::r;;ets

~ : i S : 2 1 5 0 , T o a O i ~ . R ~ f ~ e r y8 XXI U1JO ruJ.l,. , : " I 1 , ~ 1 . : l e e r i n . " " CO':lp.:lnShi.::.izu P 1 ~ t '9O.1S-XXI 6001 !.fa.chine Shop and l:00dworkin,:

90 PI...nt. Araa ..IS-XXI 6CXJ2 Railroad Sk t i on -nd T r shipcent Docks9O.18-XXI tlJ7b Tokai Bo ..tyard9O.lB-XXI 60:30 Honan VfJ ,etable O il Plant(2) Unnur:tbered T.:::nets

s.:.aU S03.plane H" ..,:,...r .:;.;od R..:J"lPMilitary Cal:\PTwo barracks AreasThree Li..,ht IndustriesTwo Li.;ht IndustriesOriental C;m Co,"lpa."'IYSca.ll C:-.nneries Ar.;.a

b. Outside Urban A r e : l . ~

Ilone vi:l.iblezn;, deetl'o7edHiner d a : : . a . ~ e) ~ e a t r o y e dUone visible5 5 ~ ~ : ~

!Jone visiblellone vbib le::000 y i a i ~ l e!'k....-.e Yu1ble100;" d,e3troye4100'" C:.;st,rored,I.tinor' d.:.7Al. ..

(l"ithin 5 miles of r:.onter or cit,.)(1 ) NlI. , b e r e ~ T ; ~ r : : : e t s

90.1&-1173 Dock Area90.18-1176 J


50/75


51/75


52/75

P..RT I I I _ SJ.:CTION D _ KOFU - D.Jl"C;: .ssE:3:J,Zm""1. $ur.m'1.ry :

.3 . D:ll:ngO"to the city ofKofu resul t ing frail"XXI 8a:lbcrCoonand lJission 254. 6/7 July 1945. tot3ls 1.3 sq. m., uhich representsabout 65% of tho bui l t -up portion of the city (2.0 sq. o i . ) .

b. Thero uero no numbered ta.rcots in the are3S d ~ c . Tho major portion of the d=. . ;o infl icted n s in tho

r c s i d e n t i ~ l '1.nd cocmorcial 3Xeas, u i th the s o u t h ~ n h3lf of the citybeing . Icost completely destroyed, and t he nor th er n section 3 h o ~ i n gd:u;ngc sC'1ttcrcd throu;..:hout.

d . Tho'principal m e r s h ~ 1 1 i n g fords. in the center of the Clty,ucro not d""U:1'\i,od, but qbout 5 0 of the buildincs in the ::1rsl:nllingy'll"d jus t south of the ci ty uere des troyed .2 . Spcci'1.1 Supplcocnt:

3.. Tho inst '111'ltions covered by this supplo::lCnt b3d notbeen d.:tIll.::l8cd pr ior to XXI Ba:!bcr CcxiD::J.nd Mission 254.

(1) : i i thin City .'.rea:A.ll unn.unber:rl t ~ g c t s

!lone visibleMinor d=.: ;o

5 0 des troyodJO:; of buildi:ligSdcstroyadl00l: d.:ls troyod100;; destroyed100": dcstrOY;;ld100"; dcstro:,,ocd100.; destroyed1 0 0 ~ destroyed2 of ~ u i l d i n . . , " " SdestroyedNone visibloN:Jnc visiblo

Six :"I"'rehouscsRi ce j ,hrkctSi lk MillElec tr ic Sub- st at ionK::\ncbo Silk Mill.feather Stat ionKofu-Minamiguchi Railroad Sta t ion

49th Infantry Regiocnt:J.l .-\reall::lruo.:l Silk Mil lGas DepartmentKoru Railroad Sta t ion

KYosei Electr ic Railroad BridgeMinobu Electr ic Ra-ilro3.d Line( ) Out id U b (" " tb 'n 5 "-1(1 r3dius of contor2s c r an _\[9i l : . . . . . .....

of ci t y ) . Non"

G Ba-sod on XXI B"C. CIU D..Ao Roport Ncl. 1)4Inclosuro I Pr(l-strika mosaic


53/75

f\

Damage To Kofu90.16 UrbanDamageReport 134XXl BornCom.6-7 July 1945C.I.U. XXI Bom. CO!J'. . I . '

-,

URBANINDUSTRIAL

: = : Y ~ I I U L T UP


54/75

P..RT I I I SECTION E _ M,IRUZEN OIL REFItnRY _ D.Jt;.GE . s s E S S ~ : : u r 1 . $umfl tyr

a . Roof d=' lgc frOOl. !ti.ssion Humber 245 i s 54.225 sqU'll"Of'oet or 10.35 per cent of tho to ta l roof ar03. 'l'qo s:::l:l.ll t3.nks ";Ierodostroyed ~ n th e largo s t o r ~ g o t3nks in tho south sect ion of thoplnnt nero smoke covered, indic3.ting d:lI::l:l.30 in th e area. ~ inthe s ou th s ec tio n i s not as s_ se ed bcc3.uSC of tho ~ o k e .b. Roof da:J.:lgo fra:!. Hission lolw:Jbcr 255 i s 409,975 s

fce t or 9 7 ~ 1 per ccnt of tho to ta l roof :\Toa. Tank c'\p,,-ci t" f dcstroyedto ta ls 525,000 b3rrelsj tank c a p a c i t y d ~ ~ c d tot31s 375.000 b ~ o l s .Capacity dostroycd/d:tr.Uged tot",ls 900,000 b:uTels, or 88.5 per cont atthe to ta l plant CIlpacity.

c . Tot3l 1:-""afdXl3gc in the refinery i s 072.050 Sqll:ll 'O footor 67.1 per cent of the r e fi n ery 's o ri gi n" l roof ~ C : : : l . .d . Five of six ref inery uni ts .:lrO soverely d ~ _ o d D:' dcstl'Ojcd.

Tho six th u nit i s appnent ly und:l.l:l.::!..ed ....l l other ins t ' l1bt ions ,inclUding the tuo brid""es connecting tho t::o scct ions of the p l n t .e i thor d:lO.1.oCd or destroyed. 7he open stores :LI'Q:l i:1 tho north SCoctionof the pl:mt roceived 27 SC.:l.ttercd hi ts :mel mch of tho:. ~ t . : r i : l l s te rin th is area i s d e s t r ~ J c d .

Building am. tank no:;1.surencnts orc b ~ e d on ern d.::lta.

3. Sta t i s t ica l Sumggry of DnQJgc:a . Roof du.':mp:o from Mission i ~ b c r 255 c

Squ::tro foctof roof

UPor cont .r origin ; l ;:(lot Y 9

DestroyedStructured dm:IagoSupori fc ia l

GuttodMinor roof d

'rota.! d

620 .1

.. ' rotal roof :11"031 519,848 sq. t t . Bum OD. JXI B.C. CItJ D Ropon . . .1112--..-a. ' traa ..-.r .c:A...1.1'_1 155. . . . . . . . . - - . .'lDclO8Ul"OI .-u.__ y 4_.


55/75

cmlFIDEHTIAL

DestroyedStruc"tural dor.Io.geSuper f io ia l l1. Gutted2. Hinor roof dorlo.G6Total dlU"lo.fO

S q u ~ o feotof roof21,700:n ,3757,1505,00054,225

i 'ercent otorit'in.'ll roof' area.4.13.'

Toto.l'roor d ~ ~ c to date:DestroyedSt ruc tu ra l d ~ b eSuperficie}11. Gu.ttcd2. l ~ n o r roof d:ullflL"O"''''Tot!!.l d::un:lgo

.1

37..1

'crcent. d td;r.l r'3t1J:l.M7t ~ . ! " . k c!l"",'-1tyVo1trl.e inCubic f ee t

"'*This firure docs not represent tho s ' of ~ ~ M ~ ~ O frrn tho atrik D i a a l ~ r ~in t h ~ t two ~ u i l d i n t . s s u p c r f i c i ~ l l y d r ~ c c d by E i s s i ~ n 2 ~ w c r ~ c o ~ p l $ 1ydestroyed by oission 255.

T ~ t ! l l tllnk d n m . n ~ e to date:

DestroyedD r > ~ { ; e d

T O T ~ . L l

525;000 ( ~ r - r G % )375,000 h?:;:;rox}S'Xl,OOO

Tota l co.plloity: 1 , 0 2 2 , ~ O O ~ b l s . , (o.pprox)

,1561001':"1:.'lO1001001001001001001

Percentcf r....C"tot ' \ l1,400

.).,7201,7201,7201,12('\5264, :)6011,60;)6,30012,4C''''10,4001 ,ZOOI ....

"...810

Gutted.D ~ J i . $ E IN SQU.:.TIE Fm

ITEJ."'Z TION OF u_'J':,""GE - ! ~ l 5 S i o n 255

1,4001,120l i 7201;7201.7206264,96011,6>0G.aoo12,40010,40010,100I;IIlO".1001llo8llO

;:'oof o.roo.101314151617161920nB2II..


56/75

CmlFIDE:ITl.\LiJ/.\ Ropor t 1012 Cont 'd .

I T ~ r ! I Z , \ T I O N OF DIJ:f\.GE Uission 255 (Conti d.)UUlnbcr D : J ~ l . G E m Sr.U.\Il.E FEET(Ref.* ) Roof areQ

Percent ". tDostroyod Gut-t:':ld Tot-'ll of roof'11 7.900 c=en< t 5,200 5;200 10057 10,000 10, 0 10,000 10050 13,150 13.450 13,150 1'Xl59 5,950 5,950 5.950 10060 1,.100 ,1. ICY.> 4,10:1 10069 3,150 3. is:) 3. ~ 5 0 10071 1.200 1,200 1,200 '"76 11.500 11,500 11,500 10077 4,000 2,000 2.or-....o SO70 Ii '}Q() 1.,H}Q

1,4OJ 10000 ~ . 2 0 0


57/75

E

lU"lOU lb. 251. 252. 253 25! 2556 Juq 1"'5


58/75

CONSOLIDATED STATISTICAL SUMMARY OF COMBAT OPERATIONS

0.5:10.2>1

o.:l:C

31

Aircreft Landing At Iwo JlmB . . . . . . 21

Aircraft De.lD!lged. Percent Of Aircraft Airborne.Crew f.1!!mber casualties ; 3Percent Of Total Partic ipat ing-

cOOl OF MISSION?Aircraf t Lost Percent Of Aircraft Airborne.

erea.

74.5%

23 TOM4306 Tons

. .603. . .

},lission #251.. 56th Wing - Chlba Urban .a.reaMission #252 _ 73rd 'ihng - Akashi Urban Area.Mission #253 .. 313th Wing - Shimizu Urban AreaMission #254 _ 31.4th Wing - Kofu Urban AreaMission #255 .. 315th Wing .. Jv1lruzen Oil Refinery

SECRET

a . b q R.sults .. PnUnlnary inforlll!ltion indicates thefollowing dameSCt" s i o l l itl251 .. .8 6 aq miles or 4 3 . ~ of beavily populatedII1aalO1l "252 - .42 SQ l:Iil.ea or 24% of bui l t up araa.UU.ica 125) 67 all Ill1lee cr 47% of built up erea . . . iacalt254 .. 1. 3 ell milee or 6 of bui l t up area ..MllIaica .1255 .. 9 4eatro,red ..

FORM 3 ~ _ 255M I ! ? ~ 1 9 ~ '

XXI BOMBER COMMAND

SECRET

ao.H DrOPJl8d On i'riJlary Target... Dropped On Other Ta.rget&1rcratt BClllb1Jl& Pr1d.ry Target 570h ..ceot or Bombing Aircraft A.irborne 96 .0%

IRICtnnrnras or MLSSlqSaircraf t airborne ,.relent or Aircraft; on Han4


59/75

~ ~ Q E 1 1 t : l S S l ~ 251 - 255A I H eR AFT P A. il ]' 1 C I P A '1' I N G DATE

TIMi:.. OF rJ..i'..E CIT TDIll:: or l i l : : l ~ .jC Ale A jCY ' - JTCYW. TOULAle. Aje Ba.:B1UG BOli1llNG EClllD.;G Ale J..fC AfCli e Ale F .n.n:c 'J,l mn'J\RY SECCNr.IlRY O'rmR auPLEI' ~ T 1 V E Ncti.' " \ W,LJ,-\ i'C \ I!.......t. l " L c ~ r u.sI' lJA'I'Z loIHSr LASI' TJ,HGI:.T T I t R G ~ 'tARGETS mtEi"" T'iP. I El:nCTM

f,;, lJ) tl LJ, I W"" on' ILW:iO:I.lOlE Iaaion H.2'-

1851 120 ) 117 & July 09)9 Z 1106 Z 6 7 2251 Z 024) Z 112 - 1 - 11) I 412 . . . . 12 July 12 - - 4 121.. 1 ... ... .. 1 1,t _ . - - - 4 41 . as io n tl2"2'/31111 1116 I 120 1 1l!) ' 0606" 0912 Z 2040 Z 0001 Z \ 11 ) \ - \ 1 I . \ 114 I 512!. . 12 10 .. ... 10 22.!!.. 2 .. .. w 2 2Mi fliOll #2I ) 1)6 I 12) - 124 ' 0849 Z 10)4 Z 6 July 2100 Z 2)4 Z 122 _ - I 122 I 2121." 12 I I _ - .. 11 1I!.. 1 .. .. ... 1 1

Mi aion /12r::.1,' .1 188 I 124 ) 125!' 07)0 Z 0912 Z 2128 Z 2)52 Z 118 - - I 118 I 7i ) ! _ i ) 1) _ - 1)IJl . . 1 _ .. - 1 1

.1/lIll! 114 \ 60 I l i .'on ' 2 ", 5 60 J.' 0700 Z 0806 z ~ 2101 Z 2257 z 59 - 1 - I 60809 547 12 .545 lu1 0700 Z Hob Z 6-7 2040 Z 0243 Z l\::;t!< .. ..._ .49 ',h _ - 46 3

5 i - 5-' - : - 5 5'L - 4 _ _ - 4 41 .....,1JI6uo aLtoratt.. ..........0 a1rcrart. NOTE I XXI. Be Fiold Order 1196 cal10d for o\ircraft Londins . \ t 1'11'0 JllIlJ,la Teohc. . . 1 .pan Q ~ r a f t nonml oCfort on J,U-salona ~ l 2.52, 254; Mia.td. on 251 - 58 IJiI18 - 14 aircr ' l f t IE' . lIirCl'll1't 3 groupo on t t i . t H ~ i o n 253. and 60 aircraf t rJioalon 2,52 .. 73 Wing" 2 aircraft .a 5 _pah a LrC1'Qf t on Mia/Jion 255. h liDslon 253 - )1,3 ;Hn,g 2 oircr' lft .L ........ . uW' f , t G1";roft. ,Utltllon - '1 4 \/ins - .3 nireraf t .J i i . n ; ; l


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!. a1AtellA_ P8ftcaMl orror .

.... I _bod IBClUbedItt.aUn StcODllar:,/ Other EomtedOther()'I1jER

Non- I BombedU r ~ e t l T ! ' b e e o o d a r y

~ I S S I O N 2>.1 .c"0,\TE 6 July 1945

EJm.rY ACTIONNon- J Bocbed ItClll1.edErrectlv Secondary Otl.er

l ! l i ~ l l E I

FLIGHT COllDITIONS

M!,s!lion t i 2 ~ 1},lis io n #2'12-!:li5 io n #2'n , I I I I I

I

",. ion 2-1Ji8 io n #2 . 1 I

1 I - I I I , I J

.:; /; l< I I . . :t

Non- I BOlllbe4 I BanbedfeetiYe Eecoodary OthorBRF.otJ(D()YN OF iLL .HRCRAFT FA-lIDG TO BOMB PRrnA.RY URGET

2; 0

5

2

III

pERSONNEL ERRORNon- I eClllbed I BombedtrreetiTlaseeanda1"'J. other

2

1

1

-53

16

53

" , " "CAl . ,.WIRE..


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2 ~ ~ ! l ~ ! r.u:.srolls 251 - 255BOMB ING nUN DATE 6 July 1945

TIME OF RELE.\SE ALT. OF REI.EASE TARGET VlSIBLE T.\RGET NOT VWIBLE

l ' l ' Y B i : I I I I B O = I ~ U E S T I lATEST VISUAL Rt..oMl RUN DROPPUC VL5. SIGHTINJ DEAD IJWFPlmWilEST HIGHESf SlGlfl'IN: 111'l't1 VISUAL ON ON REFmE1CE R:"lJ.\R RI:CK- OllONLY CCRRECTlOOS l.EAIJER CR OFF5E'I' PT. mm O N n ~ LEAD'"Missi #2,1

:01 112 1650W905 Z 9900 11500 I 5 I - 1 - I - 1 '0712j!. 1639 Z 1111 Z 10200 10600 - - - 121 U own Un!rown - - - 1Miss! "2,2~

113 1519 Z 1627 Z 6900 8200 I 6 I - I - I . 1 ' 0 ~ I 2lOj!. 1515 Z 1539 Z 1550 0050 1 - - -1 1544 z - 8180 - - - - I 1 I - ,Missi . #2" I I I I~ 122 1533 Z 1710 Z "/200 8300 I 1 16 - - 98 I 1l l ! , 1533 z 1554 Z 7100 79DO . 2 - - 9IJri ssi '2 '"P ill l455 z 1635 z 11200 17100 lJI I 5 I - I - I 99p 1) ! 1447 Z 1530 Z 1 1 2 0 ~ 1 l ~ 6 o o - - - 13TO 1 ~ own om 1TO 1 10- Un 0;;;:" 1Mitis 1 57 I 1pi 59 J.4l9 Z 1510 Z 10200 11500 - 1 -

Tol 1 1443 Z 10190 - - 1. - - -p I 524 IJ.4l9 Z 1905 z 6900 17100 32 22 - - 466 I 4p 46 j!. 1447 Z 1111 Z 7100 14600 1 2 - . 43

~ W I 8 I e a ' au:%:.4iIIIwaft .1110 Ii *1Dary t4ree t 1 ( 8 1 1


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..,- , , ~ J < E ~ I M.!S)IOU251 .. 255D I . : > P O ~ l T I O N OF BOL lBS

D ~ r E 6 July 1945

fUZE LOA.OED ON AIR- R ~ L E A S E : n al l Tol.ROgTST Y P ~ " \ SE'M'we B O R ~ E AIRCRAFT mILhRY ~ l . F G E T !'"RGE"" OF OFF.

Ji:i.T'rlSONi:;O I rl.,.i'UNW) I UtuUleJo/il"E1GHr l.I Bu..8 ' ~ c s . - l Tail i:c. Tons :;0. 'rons '0 --;;ons '0 "'ons "0 O!lSI '0 I ''l'ons 11;0. I Ton sasion 19.0 \ 69 12.4

100/1 I.8. r \ - 11512 399.0 IG161 371.3 I 184 6.3 552500II I .e. - ! 2460 496G 2432 466.4 - . 48 9.65GO/I Prag l! 159 31.8 159 3, 8M i s s i o n ~ #252 I I I 1309500II I.e . . g 5226 045.2 4875 915.0 4G 8. 0 161.8 I , I .4

P b o ~ o t l A a b Var. . 11 - 11 Ui.;sionl"2l:;':l1001II I .B. net. 0 12817 441.9 12619 435. 1 - 0 191 I 6.B I 1500/1 I.e . ! 2413 618.3 2378 594-.5 94 23.5 1 , .3- I#"b. - - I1 ' asion100# I.8. Dst. - 7110 245.2 67'4.. 231.9 0 - 386 13.3 , 5GO/I l .e . ! 0 30 7. 5 30 7.5 - 0 . 0. 5GO/I u . .. ! i 39G6 781.2 3655 731.0 5 1.G 244 48.8 I 2 I .4./f6 Photofla8b - - 52 - 47 - - - 5Ul.3sio 1#",5GO/I G.P. .025 N.D. 1799 449.7 1766[, 441-.5 32 8.0 - - 1 I .21001II I.B. 31499 066 ..1 30110 1038.3 184 6.3

135 ~ r 70 I 2.45GO/I I .e. 11612 322.4 10962 219'4 45 9. 0

601 0.2 4 .B5GO/I h .. 159 31.8 159 3 l.8 - - - - -I.e. '503 625.8 2408 602 ..0 - . 94 23.5 1 I 31799 449.1 1766 441.5 32 8.0 - - 1 .'63 - 58 - - - 5

47635 ~ 1 5 . 8 45463 4306.0 261 233 835 t 8J6 J-7" .. o, .D 5000 t t tOTe ~ B . t l .. ~ to 0 Po" 2500 foet ob Ive tl1rg t. !. :3 u..47'a dropped ::J,ta " t.h com Co tl in g 1 T ~ t C S .t WI 0PR, 1.000 t t low trera; . ~ t to 0 Po" 3GOO feot ab tvo tori .. ! 7 1,l.64 0 drOppoJ o.to tI th can leta or in 111 as .=i:-'.dls;I.


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1IlICKA1T lAlST AIRCRAFT D A N ~ G E D PERSONNEL CASUALTIrsUDIf Ace. UII- EIDII ENIlfY ENIlfY ACC. ow, UN- TO'lAL TOTAL lilISS- WOUNDED-- MAL., Ale AlA Ale. 0TItIIl KlI l l I l rorAL Ale AlA Ale. om OWGED

. . . . ot t 0114 or l 'WIfIQ)' bucou.o. or bt-oko foHuro.

SECRET

. lii .. ; j i J :

lUSSICI< "51 . " ,DATE bItt! , 1%:5

PF.RSONNEL CASUALTHS


64/75

- DIM!' ~ DlSDOUD I i IW"lJID 50 GALIBD. AMMtJ]JI!IOI UPllIDI'!UUiftAOD1lIl! J./C _, _(A m:S'1!IIO!ID PRQRm,y DlMlrm) .InD Dr US! Im!lSO'" as fow.I l_ m:STIL'DD C()l(B.l' rIUD LO .. J./cHissio .2


65/75

\ MISSIONS 251 255DATE 6 July 1945

FLIGHT DATA & FUEL COflSlJ,lPTIONMISSION : ~ E R #251 1/252 #253 11254 #255UNIT 58TH InN:> 7)RD WlNG Jl}TH flING 31.4TH WIle )15TH W I ArncRAFr COIEID!:.RED 112 l2.2 131 128 S9AVERAGE FLYING T l ~ E 14:25 13:45 12:56 U:20 14:21FUEL CONSUMJ::D

Average 551.2 5823 5589 5859 5394- Uaxit1u:n 6200 6396 6250 6315 5965Mini!:!\.J::l 4910 5255 5127 5 = 5122

FUEL RD4A I N1 ~ X Average 842 778 1103 783 1386

(W Maxicun 1490 1264 1593 1231 1663Minimu:t 400 254 470 285 B20

Ave. GALS. USED PER HOUR 384.3 1.23.5 432_3 408.9 375.9TOTAL USED ON AIRBORNE Ale 732138 748122 75J.2J.4 796106 324725

FeIGHT DATA00. AIRCRAFr AIRBORNE 129 131 lJ6 138 60AVG. BASIC fiT. or AIRCRAFT 74879 75015 74959 75614 71559AVERAGE USEFUL LOAD 58626 61514 60275 60658 61801AVO. 00. OF BOMBS LOADED Mixed Load Ml:Cl.'


66/75

F

XXI Ba.!B:!:ll: CCU.tlND FIELD


67/75

FIElD ClIDERS )NUUB..:R 96 )

SECREtRuth: C G I n i t b h : ' .Onto: 6T 4 5XXI Eo:e::R CQDlA!DGU.J!6 July 1945 - O)OQK

Maps: Japan A.vi.tion Chort 1:218,830.1. Qnt tcd .2. XXI Bonbcr Cot'J:larXI a tt oc k: :! C :J DA , :.Kt.sHI, SHI!.lIZU end KaFU URBA _And tarSt 90-25 - 1764 "n 6/7 July 1%5. II ..REo.S) . o. 58th Hing:

(1 ) Pril:lary v i swl and rildar tarcet : CHDJ+. UH3t.ll ..r.E:.!P I FORe:::; :B1\JDa>086094 Normal E f f o r t[PI Rcfc:rcnce: XXI uO!"JCoo Litho-11osaic CgD... ARS.., rio.

90.14 - 2145.(2) Route:

BaseIwo Jirna351"30N - 14025E (IP)Tar.::;.,;t180 deGrce ri . j ' l t tum to .landsend3535N - 14031E3520N - 14045EIwo Jir:aBasc.

(3) Altitudes:(a) Enrouto to target: 4,000 - 4,BOO f t . , 7,0CIJ - 7,800 f t .(b ) or attack: 10,000 - 10,800 f t .(e) Withdrawal fron tlU"Cet: Above 12,000 t t .

M-47 ms tuaec1 1JuJtantaneou ....intcnalooeter tt1J1g .. 7S n.,elustel'lI oontain'. H9 ~ . , . . .to cp8D ,,000 tt.. abcft t .arg&. :I.-' eno l. . . . . . . . . .t1JlS - SO f t .

2 GrOllp8'2 Groups:ecb Lood:

(4)(5)

(6) _,. 061",1.b . 'P3I'd W1III1( l) m ..__


68/75

F .0 . #96(2) Route:

BaseIMo Jima3 3 5 ~ N - 13445E3419);)t1 - 1344130E (IP)T . " U ' ~ , ~ tJ452N - 1J505E345811 - 1J4,40ELeft turn to l2n:1send3JJJN - 1)419EIwo Jir:laIk!.se.

(J) Altitudes:(a ) E n r o u t ~ to t a r ~ c t : 4,000 - 4,800 f t . , 7,000 - 7,800 f t .(b) or attack: 7,000 - 7,SOO f t .(c ) Withdrawal frot:l. tarJ


69/75

F .0 . #96(b) Of a t t a c k ~ 7,000 - 7,800 f t . .(0 ) 11ithdrO f t .a b o v ~ ta rge t , intcrvalClrX!ter l l e t t ~ _35 f t .

(6) T a k c o f f ~ 0619OOK.d. 314th i'line :

(1) Pri.r;ery vi &lal and radar t a r ~ c t : K


70/75

(4 ) t'loe.b 1.o:Id:

F .0 . ~ (2) Rout e:

Doso1wo Jir.n3322N - 13-'1>3E33500 - 1344430E (IF)Target3335N - 13557E1"0 JimaBase.

(3 ) Altitudos:(a) Enrout.e to ta rget : 5,ac:x' - 5,000 f t ~ , 1,000 - 1,000 f t .(b) Of attack: 15,000 - 16,000 f t .

5Ol l CPs fused 1/40 nose are n o ~ e k y t a i l .18,000 Ibs p..;r Alc, aini.':UlI:l load.(5) Takeoff: 061700K.

x. (1) Uetho:1 o f Attack: by individual A/C .nth cai" face Jr .. ~ e by 12 pathfirrler A/C.(2) Firs t 12 A/e will ba designated pathfitr lers t lam by best

radar bmiJin."; ~ r c : w s .4. Tactical Mission Numbers:

CHI2A No. 251AKASHI No. 252SHI1!I1JJ No. 253KOFU No. 25490.25 - 1764 - No. 255

5. c.. (1) The lpoeial jammil"l[; e .i rc ra ft f or the 13rd :-lin; will beequipped to barrace jam tho rebions 1 ~ 2 1 0 and 72-84 ~ : 3 . cycles. Spot jamming wi l l be corductod over the freqJencyranges 100-190 and 210-23) me:acycles as des ir ed by theWing COlM1


71/75

XXI BQ.1B!R CCUl:.,NDOIl.'"I) 1uly 1 ~ _ O ~ O C K

FIElD amms )

Change so much d paragraph 3. c . (1 ) that r ed s l 'Foree required)Grmps ' to read: 'Farce required 4 GrOlPS'.Change so much d paragraph 3. o. (.5) that reads: '1 GrQ.lpJ&..17 Ie.'to read: '2 GrOJps !t-17 lCs ' .

:.. .1 KISSNERBrigadier Geoeral. tJS.l.Chief' St&f'f'

OFFlCllL:


72/75

FIZ!D ORDERS )NIDJBER 96 )AlIDIDllENT utl'..m3R 2

=uth: CG, Y.Xl Bccb8l" C. . . . . . .ln i t i a l s : ~ / Date: 6 J Y 12L.5XXI B O M B ~ OOI.\WJ1)GGAlI6 July 1945 - O)OOK

Change paraGraph 3. c . (5) to read as follows:(5) Bo::lb Load: 2 Groups: 1!-l.7 IBs fused i t ls tantaneo\CI noseintel"valooeter setting - 50 n .. '

2 Groups: ll-l? les fused to open 2,500 f t.above t a r c ~ t , intervu1ccet.ersetting - 35 f t .Change paragraph 3. e . ( ) (b) to read:

(b) Of Attack: 10,000 f t .BY COl.'JlAND OF ~ I A J O a G::::NZRAL l . e ~ ! A Y :

A. '1 KI551'iUtBriGadier General, U ~ , \O1ie! of Staff'

OFFICIAL:

DIS1RIBUTION:2 - ca, 53th Baub Wing2 _ CG', 73rd Bomb Wing2 - CG, 31,3th Bomb Vring2 - Ge, ,314th Baub Wing2 - CG, 315th Bcmb Wing1 - ce, VU Fighter COllIlBlld1 .. CO J 3rd Photo Recon Squadron6 _ A-3 Tactics, XXI Banber Command2 .. 33rd seu, XU Banber cOllllWld1 _ Communications, X li Banber cCIIlIlW\d1 .. () \S. III Balber CCII':'Ift8Ild2 .. ClU, XXI Borrlber C()lllll.8Dl1 _ A-2 Repo:rt.1ng, a t Bamber cem-a ncJ,. _ A-2, n I Barber cCIIIIlaDli


73/75

G

DIsmIBUl'ION

_",gp, !p, 251. gsa. 2". 29 ass


74/75

CoPY No.1234-567691011121314151617161920212223 211.2526 .. 272629 - 333435363736 - 6766 - 6970717273747S76177B79-80

pIsnUBUTIONT.\O'I'ICAL MISSION :REPORT

ConrMrJiing General Ar!qy Air ForcesCo;::manding General. U.B. Arm:! Stra.tegic A ir Forces (Rear)~ n d i n g General, U.S. rlnJ:I Strate&ic ....ir l'c::'CleS (Guam)Chief of Sh t f , U.S. Strateg1c -Ur "orees (GuaI:I)Commanding General; Twentieth ~ i ForceCoananding G e n e r 9 . l ~ Eig:tth Air Force'{O'duaw3)Cor.ma.nder in a t ief , U.S. Ju:r;;y forces. Pe.cificChief of Naval Operations, OP_lb.-VCa!m:lnder in CHe f; P ac ific Fleet (.nd" ~ Cou=order in Chief , Pacif ic Fle.et (Rear ~ Comcander'Air Force. Pacific FleetCcmn'lrder; Third Hee tCommander; Fifth FleetCaImander. Firs t Carrier Task ForceCoamander, l:arianaSConroandin,g Ge!leral; U.S.' Arrtq Forces , ' ll1Mle Paci t icColmnandill.3 General . . tllied A ir Forces. So7P!Conmanding General; "far East .i.ir ForcesCot:malding General; U.s. Strategic .ur Forces in EuropeCalmanding G e n e r a l ~ Mediterranean .IDied AU' ForcesCammandiDti General, Fif teenth Air ForceCocmo.rding G e n e r ' l 1 ~ Seventh a.ir ForceCoanatrling Genera l; V I! Bomber Carma!ldComnanHng General. VII Fighter Ca:Jn3aiCommanding General ; E leventh Air Force~ n d i n g G e n e r a l . 30ls t Fighter 9ingCalmand Hq. A llied A ir Forces. S1P..\.';\,Tl'N: Senior Intell igence Officer. 'R.l. . .A. '.CortIrlaMar in Chief. U.S .u-:Iy Forces. Pacific

, ~ ' I T N : 0-2 (For Section 22. RQ.i)Officer in Cbar1!. Join t Intel l igence CenterPacific Ocean AreasConmanding General. ,\rmy .A.ir :!'orees.A'l"1'N: AC/AS Intelligen.ceCotImandins ~ n e r a 1 . rmy .u.r ForcesATTN: ~ C / A S . Intelligence. Collection ~ i T i . i o QConmanding General. U ~ .. knItf Stn: tes ie Air l o r ed (Qua)~ N Intell igenceCoumsldins General. U..5. Arrrq S t r ~ t e g i c U r 10r0ee (Ouaa)ATTN: Co:Imunicat i,onsI'cit: Counter Measures .Ur .\Dalysi8 CenterCalmandiDB orrieet. Twentieth .oUr lorce Lead. Crew SoIlOOlBrigadier Genetal. M.S. liaMeu.. J r .Qlie1' at SCaf f. Twent ie th A1r ForceDaputy C/S. 0pDB......atietb .u.r rOl'08..c ot 5 .1.02. 'l'Ventbtb I'orOeCbnical. Bartare .Officer. '1'VenUetb .oUr ...Qttioer. TtreDUetb Air JcroeD1ncrI;or o f ' tecUM. 4-3. ' lWntieU . . . .Bi.. tor1aal Cltt icer . 'fwD,Uetb Air JCI'OII


75/75

81B2838485868788899091':l29394'f79899100101102103104105106107108109110111112113114115116117 .. 130

CoamandintJ; General; 58th BGmbardment 'i1iogClinsCommanding Officer; )rd Photo Raeonnai8sanee Sq~ d i n g Off icer ; 41 st Photo Reconnais8abce SqCOIImaDdlng Officer. 55th Reconnaiss3nce Sq , wns Races-Jeather .Cocm:tnding Officer. T:lentieth A ir Force Cocbat StagingCenter (Provisional)Co=anding O f f i c e r ~ 33M S t a t i s t i u l Contl"Cll UnitCaDnaming Officer; 6th Ba!lb Group (Vii)Ca::maIJiing O ffice r; 9 th Boc.b Group (VH)COI:nan:Hng Officer; 16th Bomb Croup (VH)Coamanding Officer', 19th Boob Group (VB)~ n d i n g Officer; 29th Bomb Group (VB)Ccmn

Documents

21st Bomber Command Tactical Mission Report 251-255, Ocr