USSBS Report 46, Japanese Naval Shipbuilding

8/3/2019 USSBS Report 46, Japanese Naval Shipbuilding

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THE UNITED STAT,ES

STRATEGIC BOMBING SURVEY

JAPANESE

NAVAL, ,SHIPBUILDING


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THE UNITED STATES

STRATEGIC BOMBING SURVEY

JAPANESE

NAVAL SHIPBUILDING

15 November 1946

Military Supplies Division

Dates of Survey:

Septe.mber~November 1945


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FOR.EWORD

'The United Stnt~ Strategic Bombing Survey was estBbli8h~d by the Sccr!ltaryof \Vn r on 3 Novamber 1944, p II rsuan ~ to , -. , Iirecti v e from t he I fIte PresidcotR.oosevelt. l is m iS llionwns to condueLan impartinI nnd cxpe rt s tu dy of lhe elfec tso f o ur a er i II I a taek on G cnnany, to be used in con neetion wit hair a ttaeks onJapnn, and to establish II basis Jor evalunt ing the importanee and poten tialities o rair power 'as an ins trument of mil itary s trutcgy, fOT' planning lhe lutum Rgement,and eampaign by campaign, and tose cu re re as nn ab ly a cc ura te s tat is ti cs u n J ap nn 's e co no my a n, l w a rproduction,pl'ant hy plant , and industry by industry . . In addit ion, s tudies were conducted ou.Ja p an 's o ve r- al l a tr nt l lgic pili Ill!a nd t h c b a e kg ro un d.0 f heron! ry in to tile war, Ih IIinternnl di~cUJ;siol1sand ncgofiations lending to her acceptance of uncondltionalsu rr en de r, t he co ur se o f h ea lt h n nd mo ra le a ll lo ng l im ci 'mu ll p op ul at io n, t j, ecffce tivcn= of theJ apaeese civilian defense organization, and th e ctrcntll of t henio!l,ic bombs, Separate reports will be issued cover ing each phnse of the ' s tudy,

Th e ,SUfl'''l' interrogated more than ' iOO Japanese mil itary, govemment , andiodusl,riaJ offlcials, Llalso recovered nod I mll"lnted muny documents which noto nl y h ave b een u se fu l t o t he Su rv ey, hu t al so will furnish {hltn vnlusble fur otherst udies. Armng~!!1ents have been made tn t urn over the urvoy's files to theCentra! Intel ligenec Group . . through which t l lCY will h ea "o il ab lo fo r fu rt herexamination nod dlstrlbution,

This report wa~ written primarily f',r th e u se of 1he Uni ted lales Strategic130IIbio!! uri ley in t i,e prcparut i"n of rurther reports 0 r a mo re "0 mpreh e 118ivennture, !\ny e on el u si on s o r u pi n i n ns e x pr es se din this re po r t m ust b"considered aslimited te t l . . . >ll" 'oificmaterial covered and BS subject tu further intl'rprctntion inthc light of further IIldiC!' conducted by the Survey.

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TABLE OF CONTENTS

U:'l .t~ tABY , ~ ~

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1942, re pectively, The keel I or thes e two wer~laid in 1937 and 1938, marking the oomtnencemenLof the Inrga-scille .Iapnnese naval shipbuilding pro-gr am. O ne o the r b at tl es hi p k eel w e l nl d af te r 1 939 ,bu thi. vess IWUi! converted to an lIircrnft carrierbefore it completion,

Deliveries 01eOlllllleLedaircraft carriers w 're con-s i l ent il ' hi gh from 19M through 19M. Construc-tional activity or input of work, was Ilighest, in19 43, d rop pi ng . har pl )' i n 1 9u . NI > carriers weredelivered in l!)


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a nd 1 11 '1 0I ID d a bo ut 2 .5(W1'C~n\of "on.trudionular t ivI IY in tonnage term. in those I\\'0 yea!:".

W otk o n speeial attsek vessels started in 1944,but d ii not hCCQmci InJ l" r t aD t un I i 19-15, whclInIxnlt 13 - J.l perren I o'f dQli" " r o dt on o ng e li nd lIt rates nt l il lY o ne t im eincluded p hy si cn l d nm l lg eto .h ipYIL.rdsth ru ug h u ir ,1 It' lc ka ,l w,w il y i ne re ns edab sen teei sm d ue to a ir atta ck s, s ho rta geof t"nus-I 'o rt ll li ,r n d uo tLl s h ip ~ i l1 ki l\ W ', the dctcriornling:m olo r v eh io lo p os i I io n, a nd L hu d i sru p L io n0 rio ~n lIrllool))~n-produ~lio"fnuili(io2!i. -

Organization

S ll i p h u i ld iIII; in .Japn n pr ior (0 Ih e Wat w as a

n rntter "r fr eo c u n lr n ot b etw ee nIhe p ro s p eo tl v e, ,11ip-uw n er n nd t h e ~ hi p h ul ld e r, S h( )r ~l .y II efore Ihew 1LrI he m erehnu t 5hipbu i,Id'iug Jl rogrnlll \\"H~ ~ lowingd ow n d ue to th e c mn petitio n o f n uv al s hlpconstrue-t lon, I t became apparent III (he outbreek of Ihe wart hUI, d or lln nd f or s hi ps w ou ldgrelllly i nc re as e m idth nL s om e m et ho dof ! lni f lcn . tio l lan d control wouldbe necc>'!nry. t\"cordingly, controlu rmerchant ship-building w us transferred J ro rn t he S hi .p pi ll g Boord(j(uimuin) to lhe Navy early in 19~2,an d from thennuLil the end nf the w ar, the Nu'') 'controlled .111m erch ant and nav al~hipbui!dlng, " 'i th th e NAva)Tee hn le nl D ep ar tm en t i n p ri nc ip alcharge.

R equests fo rnaval ships cam e from . theNll''YG en er al S ia ff n nd r eq ue stsfo r m er ch an t s hip s c am efrom the 'Trunspcrtation Ministry. These requestsw e re a cc ep te d by th e N !Ivy B m -en11 ,,,r G eaera JAtT alrs in c om plianc e w ith thefinl lll Cill 1 n n d m a te -rio I r ' IUld sUbIl l9r i !l l l. i !. ond s l lbmBr ioe l5were gh'iug w ay rflpidl) ' \" Jlooductioo (If special1 I\ l1 I( "k " . . .. ft_ n "'us I11!p"rt~'(1 tlm l I'ur t~ of oldb uil er " f ro m building,; a ll d m et al Willer ta nl o! w er eheing II-"l!d in the c ll!lstm ctiotl o f sl> Ceial attackcr n tl 3,l the do se of the Wllr. Uke,,i:re, in atlditiou

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In ,HI 1I' l1~nt n.. . .. . rn, proteding , . en IKIle>, tlli'I II UI Cr i' ll . ll IO r l" ~ C w nsr\' lil'"n,ible ro, lhu aceale-.,\100 p rodu ct io n o f < ' 0 0 1 , 1.I~f~ru; \ ' ( 1 " ' < ' 1 , . .The ~hiI!.neeurring I>c!w,~n \,.riOtl. IYI"" 01s hiflhllildinp:eanbe -0011 inchart I I.

3. Oi"""",,, 0/ For,II1ir$h) R'I""r lI'''r~. Tre-mendous mnOllnl~ o f M Jl nl J. r w or k l ll "' t' (,rhMulcnnd IDI" , fc l 'f ' In relit!ion tu total pro-duerion i- '"01\'0 i n t he f o ll ow i ngtahl :

T u n " T o 3.-A"PrlJJlI . , tJ j ,j ( ' " Mr-,.I Ju p ,.rpfl.nll ,rwl (hrlf ptT~"' ' 'IiI,.-qJ/ClnImm1",r/,,,,,.,.1 """"', b~j...,} ' t < n ' .1 9 4 ' + "

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'1'110inrres>e in repai r work after ]942 is attrib-utahle Iv Ihe Blr, surraee, and subrunrine attacks on

n nm t s hi ps an d t o t he m i ni ng c a m pa ig n .:he XI" '}" designated ertain yard' 10 h l ln d lc r e-

1'311>only, while other yurd , W ere designated tohandle bulb r epai rs Rod nCI I' construction, Gener-a lly, new.con.unc!; n of naml v '"I 'I~had prior ityOV!!I"eepaes. n de r c er ta in m n er ge n~ vronditionshewever, repairs ~'e", to be handled at the exr'>cID!~r~( nel\"ron..lrUcllon. In promoting new ecnstrue-non, bonn. ' w ere"[,,rOO fo t rmlll'lc{ing shipsahead IOf schedule, til bonus being increased 8Sday, IIhCll~ u f th ed lli e in ereas ed , b u th ere w n n o~ ~ ~e .J lQ Dd m g, f ea tu re f orrepair work , T he m or c~killed technreians were required ror repair J'oh dODS tJ hi > au< equen y < Ip, " III r ep ai re d h ur ri ed l vto gelthem oul o f ~ I~ eY l lr d" . -\ ,; 3result, IDRnysl;ip weruID po er t" JQ dlllO n w hen rc lurn !!" 10AS " I. " ' ," ',.'C\\'y rOD-

s tr ue te d v ",~I. u iT r ed s im i la rf81 I rI ' , e o I t: rl ll I" e 0 theru- I f u r c o m pl et io n and iJecnll-~ uf the II t: f"killed latH" in their


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"!J't'ngth (""iv ide bO A< , midge!. S I Ib m ar i l ie s, " h n-man" IOtpcd_, "kl, o ther "~"rll~!. ~nd ~Olh":sm ~II v c.- .d , w er e a re cn l ua 'e itII 00. ~llt'O." I .. t me kco""e,,,j"lIl1f 1111naval vessels,

H e, .! ( ro m y ea r'0. v c n r,h cg in ni ng w il l~ 1 93r. ?h e' li b iu i n oi ll d c" H C l ll u n it s c O l ll l' lu l >e dp"'Jor to l O B I ,1'1"""d(h~hm61 [m ils in u nc h c nteg ury u s th .e) ' w ore"" i.11. It iJ


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" ", ,, tI I h ' r "l ~ ill I{I'IL 'I'll unenmpleted lit tile end of the wa r has been" pr "l Id o v er t heI",riod f ro m k ee l J ny in g00 t he b as is0 1 t h ei r percentage eleompletion.

Tlu!d indi"", ~ h o " - l il aL ~whie t o t a I tonD a ge p ro -d uc ed r em atn " ,I a I no OH e en st a n t t hr ou gh194] and1942, the v al ue o ftUDlLlLgep roduced rose graduallyin 19 42 . In 19~ 3 thev al ue o r! "a r' 1g ~ p ro d uc ed r o se'nure t up id ,. v B ud a du al to nn ag e f ol lo ;" '" d I hesametrend. In 1101. 'i r > ; ~half o f 1944, the Ii.e, bolh in\'.81ue and in to n0 age, becilme [ 00 r 'C hm:p UIlti 1, int he p en k m om hs .in 1 9 ~ 4, t he m o n ti ll y r.u leo f p n,-d uc lilJ D in tem lt! o ["OU, v Blu e a nd lonnage "!Illn ea rl y [ I\ 'n a nd " o c- Io ,, 11 l im .. .. . t he m o n th lyrotc in1 94 ,1 . T he d ro p i n p ro du cti Qn n f lc r S ep te mb er 1{l.Hw o" o S>wift B the riB! i n tb e r.nt h al f o f 1 9' 14 ,! lndt : .yJu ry 1 94 5, m on th ly p ro du ctio n w as f nt b elo w l be

J~.nnl~A'rre~ ) . . . . . .. 1 1 " . . ..0

1)0~ of IIlh~p T{Ig~ tiftH'l UmerC!fI KIll I i : . ( ' t ' lto l./loIUKb'!oQ-Ilft'on liil!lKh d~I!W~"y

H .. . .. k -b lf W! _ ".000 ~.HO.Qal,i'l f)!IJI~

1.001" 1 1 > ,C& ~~& ',IlOO 3. J1)i'5 :II!I 338CiiLrrJt:n. ~y ,1 _ as.>i . " 316,~'..... '~,IlOO 3ml 1m allC ru ~~ .~ .~ : :: : 8 .000 5,Un "" J"rone.-rc~lJI ~.~ : : t . o - tD a.~ . .. ,'"" ". hl I) 'I "t .J o ' 1.700 ..~.~ ~~_r_ ~~r 30 so100 '~~~::.-:: 001) '..... . . . ~~~~r ..... _.. .. . 30..~i~ ~~~~~ "-i6 ~ - ~ r~--M 40JlIlIWilry m.. &~ . < 1 0 0 '&00 3.

~~:~f:~~~Il00 'lIOO 3 ~ 'U . ., ""01) 1 00 J 0 '"

, 00 "00 . ..]00 0 27 '" , .~ .ss.00, ,8:1 I,., .3 311 11 68 4$J~l ;~- : . - : : : : : :_00 39~ 100 7< 50

'"'70 3,

.0 ~l o I" "

.0 0 ... 70 ~,

AUll!~ 0 , "" 100 " . 0 0 g ~"' ' '.. ,,;!OO 0"l07 OO!) lU :w o " , -1:1 '"

A pp cn tl il i I I g i" cs th e m o nt hl yI',dlle in p l8ce o fplVduoii,m "rcnch t}'p~ u f s hip Irom J 9 41 to 1 94 5.T ~b Je 10, belo w, ho wst il e l )c io o D~ a ge o fl ota l to n-n ng< ' p ro duc ed, figu red o n u ,n[uc inpillce lla~is,lIo d th e jlart'~nt.. go ",f to In! t on !1 a :g c d ~ lI ve r cd l orC l Io h cl n~ ~ o f $ hi l> ,a nn ua ll y, 1 94 1- 45 .

III Silicide BlIal (SMnJJo}.-A. woo([cn !ltan off% .I" 2 Ions ]lowcred by a s ta n dn r d g l ls n ti !l il - tr u ckengine. Apprll)(i!JIute C{,st 30,000-'10.000y.eo.

(2) Midget ,sub (Kairyu.l.-'ri lis emft wos n2:-mn!l 'ubmnrine -o f 1 8- -2 0 t on l! I vi tha: eyli:ndric.alh lill . It ""US c li .v id ed i nto 3b to Qk ~r or c, m id sh ip ,Bnil nit, joined by bolt~ UpOIl n c arrin ge h OI'in gI\' he e Is,T he cnrd 0 ge WIIS on ra i18 m Id th e o utf i l ti .n g

~lIII'j~t.. 1~t~~tf'llPl!li(lt'rl!(~ U o I r l, . ._; : : :1 :"-GOd.

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Built lIS n r eg ul ur I nt p< .> d" ."ilh room for an indi-v id ua l to steer. C o.- I 4 00 .0 00 y rn . B uil t ,, { K ,, "" .

Th. I' " wero ~ ;~ d i .t in . 1 t Y I k' ""f l snding o ru ft , hut"nly (II''' 1)'1"'"1\'01'('t um l '< l o u tin any 'llmntity.The monthly p ru rlue ti nn o f , 11= [1'0 In>% is 1l.t.11in lable [ 2 , 1 > 1 ) 1 0\ \' .~l"ng with th e " ,! R IM n n d1 " " , , -Ii on s o r t he ir I ~ ~d ;" ~mOlllufaclU rers,

These InLldingrnJt "l're ~,dled "dfJ''1!!.I/su'' andwe .. .. .o ri gin" ll y a n . \m lY mod el , The Army dev ut edm u ch e lTort 10 these "MI n bul, M SU" h , t he ir erigi O!IIdesign 1 I ' 8 ~nul f a, 'o r" bl ~ f ur m us s p ro du ct io n. T heNavy ninde revisions Jcr mass-produetlen l'"rrK)'~

I II SI'tt'! D ~; hn ,ls ". -' \p pr o.~ im 8I cJ y 4 8 i ee l inl en g th , w i thn s pe ed o C k ou ts , nod powered by 811S O horsepower ~".oli n e e n g h n' . It ha d Il m a x i " ,u mI,,,,d of ~ IKJut 10 tons,

12j lr 00 .1 D a" in l$ Il .~ .\ JlPru~ imnt;.

' ]' 1, ,, m sn utue tu ri ng eos ts o f each ~rl lf t amoun tedI" 3 0. 00 0 y eo l or tb e 5 t" ,, 1type l in d : ? l, O O O ye n l orthe 1 I ' l l < > C ! e n')'1"'. T hi s d 0C : 3no! inelude lloa eosi IIII he engines IIIld fittinGS-

Bottlenecks and Ceunrermeasures

f )u ll fI Iber T, J941 10 Beoilmin(J of .dILled Counter-allach

! Ju ri ng t hi speriod lh e < 1c m~ nd lo r n ev at s hip s>uddclIly inC""'H,,1 and " rap; ,I e.\]lBusi00 "f mllnu-r 8e lu ri ug u (l Ilc it y " ' ... . n ec e; ;, .< n ry. H o w ev er . t heJBj l Jlnc>e wereel8!ed with their success at the be-g ;nninJ\ 'of the ,,'ar lind " 'e re ; ;nI i~6ed wi lh m e et j n gi IIlIIedi~I~ dem " m i. am idid 110t hIke UlIV drastlom e" "re III meet I he fu ture dc""lopment DC" t he \ V n, ,,T I'c ",r or e ni lcuuntenn"","ure;; " '' '' ' ' L Uk en I uol' ur o ;; w e o o " .u ,, 11 y 1 0 1. 1late.~he prj ~cijIJIl d iffic1I!tie;;~ncount"",d dUJ: iog Ihisp cn od we re n. rollo,,",,:, 1 .1) U"THept lr cdn_ Jor .llaos PrDfI"cliOI!..-E~-'0ti"? ahi pbuildi nil' in. '!aUmjon, in .rnPRU WQre in-aIJ,,~,"ahr~ 1.0 IlU!' ]' md Yc li on , l in d h ot hodlJlinj, ,-tN'tlo.n c n,l ,u pe r\'i~ io D w ef'e no ~ o rg an;,,,,,, fo rcurry'"!: Out tilc p r o J > O S I . ' dincn:tlSco:l prluction. As" 0011"l,..rmeMU rc, the N o "Y u ni fi ed merchllnt andn n .v a l s l, il 'b ui id in g c o nt ru l,B explained e nr lie r i uU"" I'll] o ;> r I .T bi~ p,0"",1 tn b e " er y effec t; ve .

(2)" 8ilOrlaf]e oj Dobor.-Dueto Uwd'afting of"WII onto tI,e Army am i X u,') ' a nd 10 the cXl 'nn ion

ul i ", lu ~ tr y, l nh u th eg nu I n g ro w " " ' I~"O .I,n.rj::c num-h e" " o fd.nf~.d workers W"'U used in tho .hipYllr

marine cl,mllllill'! f!>'"~ol OOl1ht rl lc t io l l o fe scor t c rn fbfind tr llnS I) lm ~" B y this lim e delnys ill;l1Orca~ingaad r

( 2) S h( Jrt 10ft,I'('c lulnl (>ulp"(

( 4) S ho rta (je o j . &c ul ld aJ 'y Malerials.-Lark to fcoal was "'Ipccil!lly ser ious dur ing this per iod, dueto laek nf both localand seaborne t ranspnrtuti 00.

{5} Food Shor/oge.-This shortage became more"cule. than ill the c 'adier periods, particularly du e to(be t ie -up of 10MI trnnsportntion nfter area-bamb-jng IItmcks.

In addition to the bottlenecks Ii t ed c h ro n o lo g i -cally above, there were several fundamental admin-i:otl'~livc obsmelcs 1 .0 !nrge-,calc nO\,11 1 5-hip co,;-s t ruc Ho n. T h~ " ex i"tedth roughou t the wa r nndwere ofteu .cspun!!:i:ble lo r ille actual bolthmcck.and the! I . lcucrn .lfailure of cOl[nlermctlsure;.

(I) Comple;ritll oj the Qroulliza(,on JOT WarPrndllclim,.-Thc oppo.ition b etw ee n Il leAnny an dIhe. Navy w".'! ~trungly evidcllt lhrougl!( ;l \! t theprodudiuI ! f io lc i. \ \' he ll the l\1unilion $ :Min i.!lry \1,,.;formed, mattcrs l>CClII\lC1Il0J' l!rOHlI,l icll tcd Ilnd tl,,.f riction betwee n the threo llIinislrie.; W8. "0 SCUll'

tha t i.t p~netratlld to th ~ l ow es l lrvcl~ of Hdlilioi~"tr81ion. EIIoh ministry, f or c ,\ nm pl" . wo ul d give ano.rdcr fOf th e . nm c nrliclc to Ihe ;;OLDC filet"'!')', withhtUCfllLclIllli n( """perlLlion. Om5~uellll\ ' t h . .Inrion. ~ i "i li a n , ,! o ot ;;Imd [a f",,1 tbeir wu y throughIh e conAidinl,l dem and. of Ih",,"e Ihroo scI" ofauthorilies.

(2) It!([(ic' l,wle Pr,!Xilldim, Ad",inistrnl ' ioll I)rnlPoor Prodlldioll TechniqllC. - Jl IpuI lCSC t~'Clmicu lc o iu "n li o n p ln { 'e litOll "lUI'" ~tr~~ u n d c s. ig ll 8m l nil!"nuugh on prodllction tc dmi qll cs , O win g til this,!lw~ w o re l Io t~ no ug ,h ] ll a, ," " ~ up ab lo o f m an uf ac -I!lrlng first-el!l~~ part;;, om! pro duution of parts had

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to I I < 'f tllo 'm tl~ 1 10 Jm ns w hic h did po or q un lilyw o rk , A ., en rb ly I'rlX"""c" in tl oe , h ip } '~ ",is were111.0in S Q l y.these lin"'" Io,;tptkiti\'cn~, lcellnicAI coft~ciouo:.!l~'to i 'i d i n tc r t: ! it i n"",lIil,g production . rh usua llyoJled \(:10 quicklyever th~ir triais, ",;UI dIe r es ul t th nt subsequentI I I , > < i i6e n t io n s IIad In be ,wide du ring m a ss p m du e-Ilun T hi- "CM"I.-d 10 M u se c oni sion in p " " d u e ti o na nd i n ti le 6 Ql d,

Details on Major B"rtle"cck~

$Ud.-Thlnl annua l r "l Ied s teel nnd special steeldcli'i'eri~ 10 r n a ' nI . ; ;11iphuildi og nr-cshn wn in Ill.ble13 " below. T he li gur es in table 1 3 a n> fo r sh ip COD

s t ru e t io n and repair and do not include steel fo re~-p..~~jon0 r ~hipyards.

T"'"L~13.-rlmioffl a"d ad,oJ d,I,,-ui { \froUl41 kg. po r I I I I ll . " qU U r- 6to 39 kg. Jler Illln. sq unr".This rc(lucLion alillwed nbo'lt 10 perceuL additionalIlv ailR bl'~ s tC QI to p R-"S t br ou gh th e m ate ria l te~ ~.This Ivwer quality s to ol w as Hot, how(lller, u8ccl intile mrun part'! 0 r the "=el~.

l "u r UI e r ~ aI'iug S o f s tc cl w er n m adeby p~"Omotingtlle inlc t< ;h nn ge o f IIlnlc rin l~ , no t o nly w ith .iu thein div idu nl y llr dS , b ut b ctw ce!) the v nr io u: s v nr ds .This wn. done i n s pi le of political h in dr ll nc ~ a ndof oOlll",1 regulo.tiou8.

6''' 'pbuildin(J l "Q ~ il 11' ic s .- Sh i pb u il di ll l: f a ci li ti es i ntlte )l" a "y ya rds bud b Cen i n Jlroved ex tUllllivc Iy be-f or e the wnr, h ut thu se "I the o re-d IIeed by twu-thi rds,

( 31 . S a$ cb o Navy I'a~d.-Tw" attacks, one byt he 2 0t h A ir Force of 10 planes and on e by the 5thAir F orce o f30 planes, dropping 0 tota I 0 f 43 tOD"o f H E. D oek ya rd f ae il itiC l< s uf fe red li ttle d a rua gc ..sc llc ml b uildin gs bu rne d, b uL the ef fec t o nprOOI!CHon wns slight. ,

fill. Mo;zun, Novy Y am .-T wo uttac ks. by tbe20 th Air F llr~ e ofolle plane eneh and Navy attac kof 11 plo nes, dro pping ntotal of II Ion of HE.Yard fanilities ."Ufferod little d"mngc I ln d t he re w""n() eITlld 0 n productio II.

Iii). O n ;m a to N a ll O .tR e.piI;rY ord.~ Tw o raidsby Ihe NS1'Y of l5 ploocs IDld o ne p ln ne , droPJlingn I o ln l o f 14' tOM of HE. O ne dr ydo ok d nm nlledw as f ully r CI) flir ed . ~ oOUlet dUlllagc.

A d Btni.1cd d isc lIE" i00 0 f I he bom b (1am age toc o m mn rr io l ~ h ip Y lI .r dsis contninro in Ihe ),IercltanlS hi pb ui ld in g R e po rt . Table 14, b el ow , ; ;h ow ~Ihedl'strnolioll o f f lo o r \! j} n ce i n t ]. ru !' oylU 'd :s by bombing.

: .' I. iu c h" ll t s hi p~ a nd " n' . al~hipsIWr-c

b uilt in tlw.lUno yaros IIml ~I!


12/16

APPENDIX B

MONTHLY INDICES OFJAPANESE JAVA! SHlP PRODUCTION, BY FISCAL YEAR, 1941-45

C A .. .. . M o c 'I 't hb ' P r od ~ tl Q g. lnUMI-IOOl

Yeor: 1941

8 10 II J - : :

I!! liS I!! 118 liS '~ liS 113!IT n

~ p . .22 "' S" OIl ~$2:2 ~~ n ., .~ DO II G JJl1 , : > 7UH10 1 10 1 " , . 10 1 '04 10 1 10' 1O. .04 ..O "d ll~ 'i; 1 2 1 1 liIIl 117 ., 76. . . 7S '" !IT .'" ' II 1 1 ' 1 110 1 104 . , SI . ' .7 1 3 1 1 . .~ ". . DO

"1'

_:~,_ _ . . , :~. : iO O::: : :~IL --:- : , , , , : ' :W ::~~:JI- , , , ,~::! : :~:- I- " ' :04:-=i. : .~: . ~ _--: :=~ :: . :~:- t-_ : :~7 :; icio7~ -I- - : : 1I ' . l : ;- lM ::~-I_-;.; iO O - : :: -' ll l- '- '- :' ~ ;, ;: -: ~ ;- - ~ ~ ~ ~

1 6

APPENDIX B-(Continued)

MONTHLY INDICES OF JAPANESE NAVAL SHIP PRODUCTION, BYFISCAL YEAR, I 'U . .. .. . ~1\"VIt:~,t! ~101i1My PKldlWUOb iD 1.041-001

10 II

i7.3'. 7

........................................... _ . .... _ ........

APPENDIX C

VAL UE OF NAVAL C ONS TR UC TJ ,ON B Y C AT EGO RY I N 1 945 P RI CE S, 1 941 -4 5l i n mH_l lo f t Jo0 '~I

F io ca ly _ 1941

10

Fin, ,,"1 year 1942

F l. at y e" 1943

22 0 ...~I , I7 ., 3 . > .--ii-ti" " 'io T . . IS ' I. 73. 2 23

"'.3 331 l Il T , 8 ., I I' 3


13/16

APPENDIXC- (Continued)

VALUE OF NAVAL CONSTRUCTI ON BY CATEGORY eN 11'4S PRICES, 194.1-4j~o!ltinu.dIllImU~",1)(!iIIJ

Toi..1

::..n 3.0, ; - -- -: 0-

1:7.l l"L2

18

UNI.TED STATES STU TEGIe "BOMBING SURVEY

" Ph e f al l' o ", .i ng i"blbliC!l!" 'rhy or "'I""b ! re,mlli!ll! from~ILeS urV{'y';A'studles 'of thu EUfOlJ(i"ru~nf.nl P't'toilir:oW P ! J 1 I I . Ceot-Il\t!~ of (hC2-t! I IQ I )O . .. .. ~mLQ"be p ur ch as ed I eo mtho Su.JWrin~~l"ll.dlJ'nt of D{lClIfnff:tt.. nl t he G ov er nm en t P ri nt l l1 J4 :O ff ic e tWnshinp J, on , D ~ C . P ermi ss ion to "~fI~illi::!: the Icm.l,l.;ni,ng' " P " " 1 t !lIIay be ho d by writ lng 10 t he Ho.d q UA ,t "' " o J Jlro.,,',,>,"t G,I1",,,II)'I',oinl. W",b;1'111.011 25. D. C.

EUROPEAN WAR

O FF IC E, O~ T HE C lI A1 &M AN

' 1 :. 1 1 < > U n ;led S Itl le s Slru t.fgic B cru bi o J> , S" n . y: 8 " m -"",At) R "p "r t ( Eu ro pe an I V fl')

2 'ft.. U "i t i S fa l" " S tm l 1, )'j r~n,1. Aluminum,g f Germiul)' , 1Par t I ll " MB~C!fUml

21 V"''',n i gl e D e .t o oh " M'ct . .U".rkc. H l Id ' . . . h . .n o . C 1 l '-(IUD,)

:!:l M o ;a l1 SU "' go ,; cl lo

Genn.l:tfly28 I..i1 )_ lW w C' rk e V e re i bl g; tC A f um i niu m ~e:rio(! A G, Lunen,

C:"""OlI) '2! 1 V",,, jnigte Deu~h. M"lall . .." ,ke, B

31 A"", Slu

:Ill A o.l.Jloo Siud y of 1 1 ! ~E II .< I.; o f M . .. & l" bi ng o n.Romschoid

37 !l Detniled SI"dy or the EIf 1,< 01 Arc" &lnbinl< onD"rmsladt

:IS .~_Do",i lt 'l l SI" ok

:l9 A I:lri .l SI'Udy of I'll. Effects o j ,I "" ~ Bo,l,bil\R OR&r,I,~, A"~\lI]:, Il f' i_ n f :u r L . . f I Iu dBremen

~o Ci\"iIiU_DD~f(i~e,Di,d~iQn-Finn] Repar!41 COl"" ,, ,. F ie ld R"jJOrl42 Bouu J~.td Repert~a n "n o" .r F ie ld R el" ,n1 1 Ebml>UI l! F ie ld I tc ll ,I -\ ,o l. I .To~t ; \ -u l I I. E'd"hU~5 B .~d Old ",,10" Pield It OJ>


14/16

1llrial ll!IJ'\&a hEQUll'ME T DIVl ION

c..." EI"dr ical EqUIp"' .' " ln~""t:" R.port' .S B ro wn n O o n "fl. Cit ' . M~nnhf'lim K.... ....I I, (iermJln;,'

O p i~ 1 i lD d P f i: ic i. .t ll On I li Ul nl J ft :i f QI . .. .. . h

0 0 O i l if l l( ,, 'I 1 en d l " "n " C 'l .. .n n l ~l mm t" D L l ;M iu .~ tf) RC]'JOft

61 T h C '"""II AbI1l -" , , ' "11:111....1)52 ~1",,'.r ... 01 S.hmnlt. O ll on b. < . . rFoetor., III C o m ba . B om b ar d" ,. n. O p em ' io fi i!lD - tb e E 1 L 1' D I~ T h t. "i It l" f'

113 Bombinot A=c;). t .A Ar n "" .- y.nd MlimnBomben< II) lh ETO

64 OeoenP''0" .. r RA r Bombi"~6b T b J >bOplld or th AIlird Air E!TorLOnGem",n La-

KJ: . . t i

MORALE OIV1S10N

!!flo The Elf.... of - 1 0 ' . . . .< llomb,n~ on Cenn.n ;\j"r:d~f\'o,," J '" III

,UrdJbl B " . J I l ' ! cb

Gii n,. Elf1 or BolJlblD~ " I1""llh and ~INli",.1 Ca". illOfnn.:i.D~

MUN1TIONS OIVISIO

H~", l 'ndu.n.t 'J BH.rn:h

00 TlUlCok.." J .d" lry Report OD Gennam'67 Cok m; ; P1tDt RPPOrl X O. J. Sodio"," A. S . C, " 0

al~! .f 'bollnu.Q~hu-cU~, Obf:rb.s .u . -.en,Germa..Ry119 r r . ..dn h-Alf l l flu tI0~Nohboll{'Jlb".Io,Om".ADY168 Ibil",.)' o-ndRoad 8ridK~,& 1 MuID'l4"f. Gt!nnd)'IIiIJ I U I II \ I' I IY I l ri ~ Eller, 0 " ,, "n )'1 00 G mt l6 1f -W Mk ~ W '" ,i Hl Df , Wei n r. G P n uJ l ny101 H on s.w 11 &; Soh" G rn b R .K . I . OrrmJUl,)'H1,2 AI'fI S'ur....y fill PinllJUi"~, GenD(I.DY1 63 R on om og , J.l Dn ov erJ Gerrruan.y

164 MAN W.,k. A"8I'h"J"II. A~b" ... ,Genu.oy165 Frj . .drinl in "b" , r ine A ._ robly, Fa" ,o . 0 '" ""11 ),ISO Volk""ilgg< > n , G . m l~ " Yl .l n ll il ", ,) " Vi. dl lo t Bi.lt!! ld, 0 , , , , , 1 O l l I ) "182 hip Y rlls Bow .ld'_.rk ,lIambu'l'. COI1BllD)"183 Blehm l ind VOOI! hlll)'Onl.,. m,,,,bllrg. 0."".110)"184 D ntm ler-Be ... A G .M.nnhoim. CenDon)"185 yntheri. Oil Ph"", M.. ,rbe.kI l . .",bul'1l . OomOOD)'I S O O l ' w tl r k> o - ht JJ ivictor, OL!trn.,..R.uxol. Go ny103 Fire Raid on O~nnon ilie:-'194 r G F . . rb cn im hu !l ri e, L "d ~ i" "I f"". O....... ny. Vo l

&;V"IDl O b R o u .l ld h ou ~ in Mn.nJtaUintt \'llm 1 Uhn, Gcnnlloy100 I G F."ln'ndurui" l.A!1erk1l.....Gennatl)'107 Gh.mu..h . ..Werk", R"."" C.","nny198 OTom"",!! M .. . ..hal l iDg Y f t r d. , . ;. . ,, ," " ' "" .OonooD)"tOO Loeoiliotiv(' h O, ll S a ii dB ri ~e


15/16

PA me WAR

OFt-I .E OF THE CH.A.Ul..\IA.!.~

; S ' L U ll U lt lr , .- R ~ l ll O r t { 1 t ct .C ' if .i : C!Wul'J JI:p:JD~ - tr up df " to End Th l\ a,r.1 Th o Elf"""Gt .IlG tm e B om bs aD U"""bll ll ll "nd

li.~i

crviU.IIN STI1D1E:$

Flf'rd R':-J)()tt " ' " " J U tAir Raid Pro tffli D lind Allil"d~lIbifCtt-. Tokyo. JdplD

.; .,.leI R pot o,,~ Ail- Ibid P ro "" ho n A Il d A l li od~Ub,tcl!,.x. : ' !&k: i .JA.p:lD _

6 F L I R . ,. .. .. , 0......Air & id P ro l . .. .h ". o nd A IIIM5001 in J.",.

II 1 ',... , a .porl Co,-orin",Air R.ld I 'ml""l ion aed A iii"",bjer' in J.pou

1 2 ' 1" 1 E ll ts oi Bombi"" "" B.",llh and ~1Ii'ri. ComJ"oy, In.C"'IIOmlJOIJflow,t .Vo. IV

CK.. . . . . . . .k , K o k" ki R O I l Y "K . b . . h l lQ K l Ii ob .)(Ailfrom .. '" .E"g''''')

'20 ,\11'1.1 .r\lrtn,11 ~{Inlram' f ~(")rl~1Ulioll RVpq11 ~'Q.

(Aid,i KG'uk, 1\1\1(Aidftll'l;l~.s(~ F.n~1n~) ~ ..

21 " 'u lI l lhl l l \O i ' I IQL1.1ILUiil~t ri ("!ol . f' rolwl lC 'l 'DI\'lij10U. .. Corporo licm lit'I~)1' fl,~(I~ I'J

c.s-nrnilOtlH.I I . 1No. XI'

(K~,,411 Hikoki lO{)(/l.i,f",,",,,,)

3 1 b Dd . E Dg in ~r in _g C Ol DJ J! ln yCorporntio.RlJpO, l No.XI'/

c hodI, Sci.;akl)jo)(Compo.cnt.)3" 1 M , , " 1 mAi",,,,n Indu.-Iri

Corporrllipn IicIJfI,t. No.XI'II

(Mit""" " o k "1(0' e South,.. PaoIIoCl"lDfu!iod

11 ( 1 'ft re Sin""" Ai. Or., .... ti_ 01 Vory Heavy Bo_b.,dmcn' if) ,b. W o. Alpi... L J_pan C'fwentJ.th AIrFa,,,,,)

67 ,,\Jr OJK", .uon.- ' ' IIn "hHI:tI. B u nn ll lo , Jn d lb -\ \' o rk l Wi tnIl8 The Ai, T .. _ rtCommond 18 Ih. W"' All 'l i. .. . J.poD69 Tlip Thlrteeeth Air t 'onro in ' he " 'o r """ iDo~J~pan70 T he s :e . . .r nt h a ed ,E h! '. ..l-nltl A ir Fcrees in W r"'lU

Agai",,[ J.".n

.il 'rh~ Fifth A ir Po re e lu !la "\ \' fl .r A ~ ( t u D .: J & .1Jl.1Il.l-':llll

MiHllI.,ry SuppU~ Diyj_don

43 Jupnu \ Vr l r Prcductlon lndus-tries~I,(I Japanese ~n\ '~LiQ,-dnnnee'I~ Japane Q ArtilY Qn.inHl1cC40 J"I)[IO""" Numl 'hil'buildi.gH JnW "'_ M o LQrVohiclQ I"du.jlrj'liS Jtq1llll~ Mt!rt'ilt:tor.. S h i , , _ b l l i l d i n , 1 C

1'l! Th fn,elToK",ion._.. r JSI.Il' OlIi.i.1o (Vo". I n nd II I7 3 C ' "J l' 1i gn . o f , 10 , F. i ti c Wor7'1 Tbe Reduction o r W.k" " '' ''nd76 Th, Allied Coml ign Al!Ilin.t Rabeuli6 '''hp Am~nCftn coJ) ism ALWj~. \VOljc, Mo.loclap,

Mill., end Jnluit (\orty(t,:n.

c lo su re ) , B II .: ui li i A nt a.S3 RCIIOrt of bit Bomb.rdment un')' PllrIy lED-

. h ,~" , , ' ( ,D) ,H.kodat e A.. ..84 R p or ' o f S hi p;. I lo mb nr dme nt .. .. . 0). Party (Eo-

r lo .' it tl "e E) , iM uro ru n r

ali ReporL of hi"" Bombnrdntent \Ir>'.Y Putl' (En-elesure f). binIi." AreA

SO Repor t of Shil>' Bomba.dmen, urc- ey P3r ty (En-o lo su"" , G end H), hionemi nkl end Nohrna-S:!kiA " " " ,

8 7 R ep or t of bil'" llombrltd"'''''L ""'0)' Purly (En-0100II..,1), Commentl! end D."1lIcu EI1""I;,''PII,yKial Dam.,. Oi.ilioa

0 0 E IT" "l o f lb. In ndiary llo,ub Atw.ks On J pan (.Rel "" l on E ight C it ,, ,, ,)

01 Tile Elf..,!. of lb. 'rOD Tbo"-,,,nd Pound Bomb 0"J."""... T. rg e . .. . C oRcpol'l. on Nillo fn.ideDb;)

!Ill E !f "" ", o f t hoAlomi" B om b o n J ti ro sh im l l, J AI ,. >1 l93 I U r .. " , o f L b. A to m i. 1 10 mbon Nn!l4,uki. J.I"".1),1 E ll '" ", " o f, Joe Fou, 1'lIm""I1Irt

2 3

Oil ; a , n e SChcmiu.1 Div-h;ton

4 !l C h On ll C fl Isin JIII;';lO'S War54l Chcm,icn6 ill Jup:m'8 'WIlr-J\I)p~ndj_xiiI On ill JIll) III~H \\ 'I 'or52 Oil inJl l lla" ' , W""_ApJl' )ndi~

Oyc:r"'.U EcoDomic EB'I!t=Q Dit/ilion

53 T he Effcct=sof StnH~it Bom bing on J3I)1iD~S '\flU4 J~couolUy ( I nc l u di n g A J ) p (! l )t l ix -r\: . S . E e en em i c

JntQlliltcnce QJl Jf lp.fIl}-Ant1l ,r~d.s nndCom~rison:A PI )C .t ul ix B : G ro ss N nt io O Il J P rc du et0'1'1 J np :l n u ndIt~ COlllrH)n~." ' ; Appendix C, l " li . II " n 1 S e u rc c s ),

55 F.rr(UJt8of 4' \i r J\thHtk Qil JOI)[\IlCSC r u: .n E r on o rn ~ '(SUlII""I') ROpo,L)

56 Elfecl of An AI~ k on I'bim Campi., Tok)'o-

}{uwuSIlki.YokoliwllU57 F.:fTecttsf , \i r AUntk on ~he:City or NngoyuEfTenLsofAi, U.ck On Osak.-Kob l\yo,,,

liS EIT., of A i r A t ln r k "n die Cit. of N"!",,,,,ki60 Effoo l. o f Air A LI .. k on ,hoii .y of Him.hirnu

MILITARY STUOll!S

MJlh:ll["}' A.lIl:lllylli. ,Di",h:ial'll

6 1 A ir F or e" " A l li ed " ,j ,h Ih. Unitcd Stn!... ill I he W"rA~"il l l .L Jft l"-


16/16

c;..,tDi_

W J ._Mili tary .lKI N.",E iJ> !~ ..08 Evoluati"" 0/ Pho!Qgl$phio hl"U~"" ;., !he J.]>O.

_ S .,...land . Pan I" C.,m....,A.... i... Rqarj110 E v aJ . . ti"" 01 PhQi", ,", l ,bi. r. t ou ig . ! " " "in (h e J.po-

, ,_ K or nc l& ad .PI ITe .n. hi o I I I; " J li ~ . " ""in th., 1 . " " .

~ B om eJan d. ~n. V, Com()l~/aa,{)

103 B > , o l . .I lOb o f P ho tO l . .p h io l I > te J li g e . . . .In Iho ,3."".. .. .. H o m . IA D d ,Part V l , S l o J f 1 P I l o o

1 0 E w ll ur. "; o n 01 ' PhOIOl?aphi . ' ' Dw ll ig e n o o;Q !ho J ."" ." _ E lo tD

Documents

USSBS Report 46, Japanese Naval Shipbuilding