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Cincpac File No, A2-ll/FF12 (1) .\'1-1/ A5-l/ (10)

U!:I1'ED STATES PACJFIC FLEET U.S. s. hl C.W.:L, Ter,lpornry Flagship. jm

Serial · Ol~9 5 .

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Enclosure-(:·:·

17 Februar~.r _19lJ2

DECLASSIFIED .. , ·.~. . .. . DIR __ 5200,9 .. ·.• .. . . _, .. : . . • · _ . ··

. PAC TI''IC FLE1!.T CONFIDENTIAL 1-:IiUOTIANDill.! -

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CommMder-in-Chief~ United States Pacific Flc-~~t.· PACIFIC FLE~~. -

Gu1me:ry . Inforr.1ation• ' .... _" .. ·- ,. ,<.•; - · . :_:.-!;';:.; i. ,.· :-: .. · .. .. ·' -- ·;··,··

. (A) G~erj Bulle£in}Jo ~ - 1-42. ; ,.; :·;, · , .. · · · : .. ·,..' . :.,;

En~lo;ure . (A) is !;r\'J~rded for informatio·.n. · :.

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2~ . , . ·.-:·':Jt ,·:is t'he iritcinti~n of the Cor:llil~nde;_:_i'.n-Chief, Pacific . Fleet, to formulate and forw.a1·d similar bulletins from time to tfrte, · ·· ...

3; -- · __ ~--• :.;· · ·::i~ is · icquestad\h~t: all r;;ctednl ~hat ~~Y be- c i~·sid~r~d ·.·-ot< -­value for publlcc.tion be forwnrJed directly to this office in memorandum - . . forn wi.th cqpioa to intcrvenii1g ~eniors. ·j

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piSTRIBUTION: (?CM-41) List II, Case 2; · P, X2, .EN3, EN6, ~IDll-tiD14, .NYB-10, lJBh9, NTl-ll. Cor:dnch (10) Cincaf (30) Cinf:l.Iult ~ (50)

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P; C, COOSLEY, Flag Secretary.

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H. C. TRADJ, Assistnnt Chief of Staff.

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DECLASSIFIED DOD DIR 5200.i

u;;IT:SI> ?,'i-;.'::::3 ?.-C.G'IC FL:~:sr

U.S. S. RIGa , 'I' C:;,l~cr a ry Flagship

D&liLASSIFIED_ GUIJJJERY BULlETIN NO. 1-42.

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The following notes are tsken c.ction. The correction of defects ir-1 others, within the ship_, and in

from the experiences of ~U:r' owri ships'-~ noted lies in sorae cases within the batt'er§{: __ still others_, outside' the ship. . ' . v

The purpose of t he bulletin is to give inforraation.

There is no analysis ?..nd very little discussion. '. The poi.f?.ts cited are ·· ... :. ' ' in most cases apparf3nt both as to cause and correction.

It must be borne in mind that deficiencies and faults· na11ed occurred : rl nctiorf a nd unfortunately can- easily -p_e -re peate_d b_i-ti~e- l:_c-a~r. -~-

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~~-~- _ · -·"c.~::·,.-~f ... . -. ·- __ There were several instances v>here radar warnings ~re not received by_ --

the fire control party until ·::.he enemy JD:anes were in sight. . .. ' ' . . _, ' - -~ .- ·::::.:~~ : ': _! •. \ 1 -,; .j •

In some cases the warning was not received in the ships until just ~::~::- _-_, ; __ -:::

befo~n t::e ·::::I: ~::o::n:::w:a:o::c :~::d b::o::e t::::ge and not~::r;~; • ' ~/~~~? the conning officer or the fire control party. . ~- ., _, '--:':-:,.lj_~;~~~ :

The terminology used in control of fighter planes VJas not familar to c~rlain"·' sh:.ps. The term 11Bandits II did not register and SOillG talkers failed to report:!-:. -_ _ :: r~ceipt of the warning. _ ., __ · :: ' · -

:· <· .. -In one case the bearing of the cneril~' planes was given as a relative bearinr;

ilh.3re previously the bearing had been given as a true bearing (Cincpac conf .-- _: :: ; serial 02148). -,, ·

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. ;.-, :- ·,.· \ >·. CONTROL -: ., : ~·· ~ :' ':~ ' '

"Buck Fever" was evident. This was a natural and normal reaction. ·:·~·S~r:ie ·> . _ the defects noted below were probably the result of this initial over.:.. -_ ·-~-: ·· >.

eagerness. ... ~!. \ ......... "

The high percentage of duds in the Mark 18 Mod 0 and 1:od 1 mechanical . ti!1o :'.lze spoiled some firings and masked others. It is not true, hov1ev~r, that if th~se fuzes had fw1ctioned properly the firings would have been satis·factory _ . a~; v1ill be seen in the following notes:

There was evidence that fuzes set,

(a) for shore bombardment \'ICre used as set against hieh level bor,lbing;

I --" ---· ---,_ ---- (b) for dive Qol!lbinJ-~}'U;re -used again~t }_l:i,gh lE?yel qombipg; ~~-:i-: '-~~:.-)f,~;~~-~-;~~~:;H~:j~~->f~.; • ':.~.:~ • • ~ .. • :· T • ~ ~-:;. ~~- :-::~-:y:~~~ -~--: ~ ~ _:~~:-'.~- ·;x-~~-~,_~- -~ 1-~~~-~~~~--l .

- 1- ENCLosUR.E (~t~F '- ;_i);;.; \~> .:, ·~-;.',;:' ~-'--. .-· .. . .. '-· · . . ~ •.... ~ .

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OECL~SS\f\EO · DOD OlR 5200.Cl

( - )NITED S'i'ATZS PACIFIC FLE£Tr . . r··. U.S.S. RIGEL, Temporary Flagship

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-:· ·' -> ·.-' :: ; .·· i ·:,.: <: :}·\.: :: ·::>:/ _ (/~ ' .. ,, •. , . ·,. .; • 1 GU1il.JERY BULLE!' IN NO. 1.:..42/,: . :

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. (Z ·.'. .. · .. , .. _. - -~-· . .-.. ·· ~, ... _ • ~, ;~~:.·.- ;:~ ~:) .-~--iE.~/~::~T/2!: .. ><· . · · :' :: - ~·· ~:·. · . •·· (c) for high. level ·were used ' agains~ ~iye-, oombers_ •. , •. ·.·,- . .. .. ·· .-, , .. ;: -·~>:.

' , · ·r:;"z(• ' .·~ '. \:.:~p ;.i _;\'; 1::·/;t;'~ci:b•~:·;;,: :;:-!o<:)::: _ '';·,i:,<>' ".· • '· . ·:-:,i : ' .· ., ' In one case · gch~~B.l - quartcr~,"\f&s··::s'~\il'ided~ '· tel.ipho.rie ' talkers were shifted adi'

t.he: fire control party were tillable . to' eet . any inforraation durinG the interval ~ ~·-~ ~ ·:· c :: -': :J ~: !-,:Lft. The cssontial infor1aation was lost to t he f :i.r' E:: control par~y

at "t:w rr10st ir1portant period of _the e~g~g~Inent.~,;):>.; - ~ - ~. ':' .. : .•. ·,~ ~ ·. '~, ·~· -~-i.. _\ ,r ·-./_./-~~ -~~;;,; : ·~ . .-: .. ·· .. ·:,f;,\· :., ·~.>;;.=~::'~.-; .. ~:~-;-~.i~~~ :· ;~~~~:~·:,I_~;_~t;l:?:~·~~~-·J:~:;;~-~.\T,"·. ~.- -~ - : .. ··· · ~ ~ -· ., • -.

Fuze setter · operato·r:3 w_ere ·not , inforirrad·. of _th~- ·t;)Tpe ()f target under firii · . , . ·. :\ __ (:·- :·.· ;~- ,- ~-. . . )~~~/.~ .. -~ -~~:_·: ~->_ . --~ -~:~.<:·._ ~ ~-.. ,:_:· -~-~: .. '--' ... /;\:·~~-:::>, ''• . :· ~ -

Fuze setter operators watched incoming planes· with resultant inaccuracy < _.' ., . , ·. . .:- :'• · .".~;· r·: ~. ,; .. ; ~ ,. of matching.

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, ~ ';/. ,._ . . ._,~\,. - ~ · ~ :· -J };<;_:, -.,_;;;;~;~ ~ -~~:\~ ,·)~, . ,. :-; . ; . . . , . . · .. r There were instances where· telephone talkers failed to function ·· properly ;~ -::, , ..

b-::!cause of inexperience' or ignorance,' ' poor' 'enunciaticin ' to ,them or' by them, .. and ' -u!::c of non-standard -_phraoe6logy • .-.,: :r; ·· ~· '· ·~:-·_;;;.<:.:~ ~ :'>·· ·-~·. . ~

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: ·· .. : _·::::.·>· .< ,(,'':ti~.~-:\::i~-.-~:>~~<~~-· :·:. \ . . ,: ::, .. ,. .. ....... -. '· .. Fire control rangefinders ~ rius;L :"not~be· Used for navigational ranges~ :_ ' :·,: ....

Instances of this occurred -i~heri' 'at tack \ vas ~ imffiinent • .-~ ;. , , . - , . ..- :. . . ·· . -:· -.<·: . . ·;}~.:::"fS~:.;;1ti\::~',_;if-i}~f~~::~·~t~'~,~ ::~i;:c)::t:~~: ?·',· . .. =' '· · . .. · <<. :. ~-, · -

Short range ~capons opened Jirc ~ at·· :ran.ges 'wcll _ beyond their effectiveness. '~ · , -· ...... '', ...... : ·.:.St;:<;'9'~'~ ·':J:·~_f~:t. - \ <, ," ·.

There is ·some evidence that t.IQ_e doctrines were not followed. .. ~- ·:: '

There were cases 'where retirl,ng ·{~rgets w·hose bombs wcr~ expended were ... - ~ .. continued under fire, when other planes -v1i th bombs were approachir~. ·

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An enemy surface ship under fire started to circle and otherwis'e maneuver .· ;- .., erratically. The c<?nt::rol officer being unable to keep target a11gle set, · chanced ··· .•. : target speed to zero and solved the deflection problem by making S!:tall right ' ·.· ·, : ~ · · and left spots depending upon direction of movement of ener.1y. Tho ene.rrcr ship .>.· ·· .. >,' rJas sunk. , , . · . ·-- · ;· ·: -~-

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There were· cases noted ·where fire -was unnecessarily blanked during emergency , . · :>.::ciding maneuvers by units of the disposition, ,and in addition, safety of maneu...-e.:- · .. -.,o.s jeopardized• Ships must · antici_p.ate and be prepared to move so that safety of ·· · p .:neuver is maintained, and at the sane_' time, . the fire p0l'1cr of the disposit~~Il u ·~'fected as little as possible. Signals for avoiding maneuvers cannot be gi vc~: c:· .· even signals of intent. Rules cannot be written to cover the .m.nny situations. , f.o:.~csight alone can solve ·such problems'; ·and _then oniy i~ tho solution is pre;dict::.. .. :';·· un the best results for the entire. dispositi'on, ~: · r-...... :;

.',,;·· ·• ·.::~~· · - .· ~ :, ~~--·-:/; ~ .··,~·~ : ~- 1":,:{<:-. · c~:\>-~~-)~:~?·~:, ·;~~~t--.;>;_. _.-,.,_• ·, -.~ _·: < ,~· ·" .. •." . ~-- ··- ·- .; . .. , , . It is essential th[!t the ships · of a Task Force know the chnracteristics ar..d.

limitations of the other types .·it:_l the Task Force. Such knowledge ·Hill lead to · 1 !autunl understanding ar1d support • .- It is the · oi1ly \uiy ii1 which the composite · -,,

,l · . . .·~ffensive pov1dr . ~~n i><?~cxpl,.qitocL - ~~-~ Thc .. foll.qviirig':_qiiestions .: suggest -the . line :of -;·' ·,;<:: ~· >

l ~ ,~:rr.ought de3il~d,i,~·.:t;~·t~,'·,;~;:!f~J}~_[_i_J_~t_~.-•.r._~.l~.v-'.r~-~f .. i_·_.-~-~--~;'r.~:_f_:_;?_p~=1~~rE:~I.~iY~Kc<r,.;/::<r~ L-.-~ .. ···--- .... -------" ~' -"..;,..:;.:...·.:-.:..;;._~--~- .~ :....:; .. c ~ __ - __:;_ . :.---- •. ....:.>....:.;_~~..: .. - .... - ... - · -·-···---;~ .. ; .: ... ..... ... --- --" ---

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. ~£ClASSIFIED · _.....,, What uro

5"/25 cnlib8r

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UNI'r-BD STATES PACIFIC FLEET U. S.S. KI;GEL,

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.GUw.-ffiRY -BbLLETIN l'!O.J~ I '

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'1i.is crl.'0!2 cl;: is about 15 ci<Jgre cs on the CA Is w·.,, :-.oy; ;:-;ucll l>ill she turn to op·~n her full bn.t tery? , . ', .·

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