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DOCIG:· 3984111 ,/.

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Cincpac File Pac-J)-Jcr !S/867 Serial: 000469

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Com11and&r iri Ch!~t, . u. s. PacL~c fl.::'9t an:.~ Pacitic Ocean Are~s.

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!O·I Cona.r.ding Oaneral, u. ;:; .. ~rJ!lV Fo1"ces, :.·~ntral Pso1t1e Area. · .

Sub3ect; rtad1o Intelligence Ur...it.

(a) ComGenUS.ll'ICPA ltr •.• \116;7-6. J/;~.-;5 c.t ;~ . l. Pleas!':! reter to reference (a) whtat~ ~:i.?':s tortt. ~

p:?'Opo1ed meth.r.;d ot tmployir.g a. Radio ~qtladrcn (:~(~b.Ue) .l.L ti: fl. tomrd a:rea ~ 'the ?ac1t1c Ocean Areas· a.ml re~~ies·~s ~ ~on-:u.:•.t•enc:e ther~.

2.. 1 a1ree in geiie:al ~th the cor.ce?t tt .. 1. t, it ·tr..ere are pote-nt1al :a pa.oil! ties in all ~!' portions or t!~!s ··.L.1.1 t : n t?-1e :to'?2 o.t part1ciJJ.ar ~y~ea ;,Jf 1ntell:.~e.nce "rilich ~!.!l cl~::ctl:.·" co:c.-

. t:'ibuta tJ) ~..ir Tar ~~.r.f',,r;s and YhiC!l &r'9 currently no~ pl"'c.v ide~ to- ·"- - ........ ~ ""'"'..-a~1 ,._ --~.... ...ht.!ll un-4 4- ..... - .... ,... .... -r.: ....... '!"\ . \9 h"&:.1"1 :II ....... .• :~n·"'"... ~ ..... ,,.., a; ~ ~ ... ~ .&, .... I. Tr .. • : ...... .. ...._,_,) 9•. G ._,,__.. ~,,. ~-·'V .;. ~ .. · · •-., •' • ........ ~ ~·..,!:. :u.~ .. ".-.i..:r.il ,.:._.,;:

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.:;. ·rt·- ... ·~-=- •ra·'ni-........ .-. •· ... ~ .... ~, ....... :. ·-:-.'P'!-r-,.. ~,.- • ~-·,_'!°I~ .. .. ~ .. ...,. ~ "¥L .. ., Y ..:. ~ ~.J. ._.i.v ":-- ...... ..1 ...... -·· J. --.......... .•-·-··• •·"' ~ "1-:.«.f. •l "lioL:..:.a.......,. --is-Cration. ·:-emain your ra•·-pons!bi."lit:r i:s ;;.u.:. ~· s3 -;isr,::::~~~~ :1 .'.J.11c. ~.~J •OSi.St 7··r.pJ. in ~~11S !~Ction 1 t ia dea1:rablitj ti~a t ;"'Yil ~a ;{~~?:;":,

.appr1aad. or· their resulta.

"-• ?our n.re'!JOaal tlla t the ·one:-s t!.oGA.l :~:.-;.:!·t:"~l .JZ t7;o ...,,. ... .. . .rad!.!> 1q11adr~n should be Te1tad in C1DC?QA .:.a ::~ne--~~r·~·,~ ~.n. :.~1 ldf•Ct1-og this control •. .,hich I 1trlc:w you will .... 111dsrs~~.:;.~ ~iu:;t ~e cautious and. rigid due tc ~· · extreme a~crtaace :J! t~"'e ~i..:1::-; tl~t ;o national 1nteres"ta, it is .,. pl.a.n to ".ie,si~:?.a::~ ,!n e;~;:~r:.~:icer. ·'lttiaer ·to tu..'J\ct1011 L~ the l'orward Area, 1Fll.ose .Jrr:te:r~ -!~111 "!';lace n1m in chAr1e of radio 1n1iell1genee act:tvi t.ies 1.;i tr. .. ~ ?o:"lf~rd Are&. as a rapr·esentat1ve o~ CintPO.A with add1tiJnal or'iP-rt~ ~o Co"1m~11.der Porward Area. It wot:.ld than·ce m; d•s1r9 tha~ 311 !~:~3 ot radio 1ntelli1eace aot1T1 ti•• 111 the Forward A~ea ope~a.te ~:.nc!eil." t:1e g-tlidance and control ot this otticer. n~~er e=istin1 pl~ns this .ott!cer "W1.1.l 1niti.e.ll7 be stationed at .:~E~DnRB. !J!3:reninat1~,D ot :t1D&l .. i:1:telligeJlce sus.t remain tn. :responsi'bility ~t C!.nCPO.c\, but it 1• plaDned·to delegate the respon~1bil1~y or dissemination ot ·certain types o~ intelllaence at an 1Jlmecliata natt:re to Commander l'orward ilea. !hiJI contemplates tleX1b111t_y and ti19 .J~ssing ttf r such 1n1'orut1on. on 'the spot to al! O'Perati"onal ~o!J'l:J-~:"4ers who '

• haw• the need tor· it. ' . Declassified and approved for release by NSA on 07-03-2012 pursuant to E.O. 1352a

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..... •····· • .DOCID: 3984111 ( ~ . ,

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Pe.c-33-3cr .AS/S-&7 . ·serial Q00469 June 2~, 1944

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•

Jad1o !ntelligence U:iit. . .

s. The best z.et.hod ~t 1~.Seg~ation" ct n~• intelllg&'!"-C~ aotlvitie.:i: into _planned or1an1at1oas ~or the Fo:-wa:i:9d ~'t-:-9a. 1:1 n~'C one ~hich is clearlr appe.ren~ 11JtC11 aore.intormat!~u en· the t•ch-.":rlo•l c.:ipab111t1es ot such new a.c'tivi\ie• ADd th• na-:U'l'e o~ material·· ·­to be p~oc:e•sed ia a• h.Ed. · It. is felt tl:.et th~ uay niihly te.etl.• lli>.:al &nd tnt-ricate aspeot1 of '1'le aub3ec:t requin mn-.it• -~:iac:usaioa. and -pl&MU.ng lly r~u:cI~iM ·ott1cers. .l:s en exa.m·;i! ~, t,:e aJ:~·t;'U!ed location ~r ~lrumio!d ratl!o intalligellC"ft ~ct1v!t1as wt.:l ~e ~~ aT!tE:JJU .. - l:t -;he ent.ira imi;t 1s ;.•eq~U.rv.d. i:i t<: 11 ;"'-.:~wr..r·! Area ··;::i~i mts't be· ke;>t int.ac·t, "it11 looa~lou ~t ·s~t-.1]S,. whar:a t>'I tffr:njn-&'t1·ln \lt !i>•Cial raC.!~ -~'!.:-c~.ts for tiltr.:llige~a aata:tal. a.~· • .:t ~fl•Ci~ CJ'Y't~cra µr.J.c a.·ids will ba· !!Yaila'!:>la, is 1a.!1ca tErd. .Al.-

• '\hough i•iid~at• taeti~ iA'Celli;ence ·:fo•Jld be t!:;.'!n a?&ihbla to o,ern:t1:.nal =~menders on the s;a;, 1\. Dat b~ ~asset\ 3ack '!So thi!t

:.C1.nC~~A &g~ac:r responaibl~ to~ 1n~ecrat1gn 3t !.ll irrt~llig~noa. Oa ~ otha hall6'·i i\ u.y dn•l~' tha• th• ma.:!>r :?Qrti·~':l ~r the .i: •1ll be•• b• 1ooail'"1 at s·i'~""?!DOIE wi~ oenain ""cl.b.>l"'1i..aa te Cl"Q?l'I :ltl:i: as Tola• -:>lain !a:arJage- 11Sai-ce~'1?.:l a?14! V!i7 .i ~ ... --•4t.: :.>n f1.;;~~:.t:ig ~3 $ene· ~'P•l'a'Ciol'..aU.- cc=~.ndei-s, at !'7..AaA~t:AL ·.il?t1 ~ .. ·,~=-~1.~J.7 • '?At!E.;~.r~. 3","'! :>eriititnee .i.t.l! cir~,lm!ii tanaes u.1ll h.:i"!r~) :"' J.,~ ;.:!~inl~ L'lJ.~. --:.i~~ n.oJ:!.na~i"a ;Jf ~W!l ·o: tll.r~!e -~ttic:~~~ 1:.!1 a~ei!'t i:·:~·r-t.lt1~;; o~ ~ st;;:.tt 1~ cu.oh f.>li.!nn1 :ig. Yill b::! welc92·31. · T:'1.a _a-wt.ne.?nn:! ·ot •he •Jt.t1cer i.'1 aomas.c.d ot •h• ll&di~ · Int•lli~e::.c• Un.1 t in· "-:~~.~ tion .Cl-~l t \le !l~.lf)tj.;.l ar.! ~ 70-u. atJneu.r it is ~u.i:e~ ;.~'"! t.:.a: ~1,~ ·~e brougb.'& to.:t.uiiJ area•• 30on as practicable.

~.. r~r. 'yo~· turther eon.•~-~·ra·tton . at tbia -:ai! i• tbe f;?ct tr.Mot, based upon &"':aJ.l&~l·! .U!lpping an~ :tiie -;ieee~' ~.1 ty t~r 1.dv~·3cl · pla.-..nirt1,, all ma tarial ... ~® · t>~rs.,nntll !~:ivtt b~·~·· :i ~"' r.~1c !.Jn~cl ••ll beyond ·Sept.mMr. 1944, a= \o ea::-e !:')r the :r.11-p!iti!t:.: ~r ~r •. e Uni i w!.ll n.o•••i tate the el!aS D& t1on. c!' ds!an,:;:it 'l! ·:. th~r ~ersollnel and aateri&l ta ccmpeaaate.theretar. ~~ur .tent~t~?~ l"!!Oailllen:iat1eus -1D. ·•1• r.1a:r4 are Jt~ueate'-1.. I·t :!.s beli9·.;ad tho t · coaaidaattoa ahould be 1iven to 1!tt1?ll 'h• uni:; in 7hcl~ ~1" ~n ·part·troa t.b.e coa•t to 1ta.ul:t1mate 4est~at1~~

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