• 

WP SBiRE - BECORI'rr llUORMtl'!l!OH 

Mal>R.ANDUM FOR TBE RIX:ORD 

18 April 1952 

'~Q 3.3(h)(2) 

~L86-36/50 USC 3605 

SUBJECT: I IPB:l:'t1cipat1on ill /u.s.XU'.K.\Cd1lab0rut1on on coMINT 

Mittei'S 

lo Puraucnt to the dec1&1on/ot.uscJ1 \at its 15th meetinc on 24 lm-ch 

19521 the Depit;y Coardina~I/ / / • • ··.···•·· \ \ \ \. \ < I tor the purpose 

ot mo.king an intormal explarmtioili . . . .. . . . . . l=oncerniDg the 

results ot the BRUSA conference .held in .l.Otl~n\.1Jl January 1952. 

2o The Deputy·C~inato~ called uporl \ \ \ \. \.. I 

on the af'terJJDon of 10/Aprili 3952. The col1te'4ts \.ot. USCIB 'JJ+/2d3, a a'lllJIW.ey 

of presentation, agreementsk;; ___... ·· /::·~ ~ To .• ijatate4 n' 1'ere .. ··•· that, exp. la· it.\ .. 1 .. nec!·· his .. \·····.tQ· o~n, .. the·· .. lattero· tbere .. After did not this 

appear to be ./ .· · eip."!euenta ot direct c;oncern I \ I Be 1nql.dred 

if 1 t would be necessary Ii • • ··. ·... \. \ \ l'l'he vin 

was expressed that this voulc1 ~vobably not be necessary es the arrange-

~ pro"::1:e.&:c:!t. / c:!ena,,r.r:~,~. :c::..··· .... · 

0

fn·. r\==I I I The nev e.n'Sl16emen1» miaht, therefore,\ be cons mere as ~ iiit~ta.tions. In response to a qu.e,ation as to the manner in 

whichc:::::::JniSht desire otticia1 notification~ I \ \. lb:ulicated 

that he considered .a resume' al the tJPe presented v.>uld be autt1c1ent tor 

purposes of [ / f It was asreed .that fJJJCh·.. a re·.. aume' 110ul4 be 

prepe.red and: tOri'ii'ded as a0011 as practic:a:ble. 

30 Fol lgy;LIJS tbe above presentation, tbe Deput~ Coordinator 1nf'ozme4 I !that the U .s. bad entered •into ·• .. certain arrangements v1 th 

torei6D agencies or individuals 'for the l'Ul"POS.e of obtainiDS\ raw material 

1n return for cash auiJ./ or equipi.mit. None ot these B.J\'raD6eml$l'ts was apecUic~ :f.dentif'ied. I lvas also :tntoi-med, in general 

terma., of the recent agl'eelr1ellt I !:tor the . exchange of rav 

traft'ic1 but the means 'Whereby this agreement vu esta.bl1shecl were not 

indicated. It vas agreed that this intormaticin.\ ~"t>u1d also be submitted 

in :memorandum tom al.ona with the atoreDDnt:tor~ecl. reaume'\o Prior\to this 

notification concerninS!tt I\ tjforma"l01l vaa rec~ived by · ... he Coordimtor to theect tbit the Dli'ecteir -. taking \sim.1.lm.• 

action0 

1'.o In a4c1i tion to the i'oreg.;>!dj• the quest~cm of re:41,tions between 

the Sen:tor tJ, so Liaison Officer and \ J:8 

discussed., I I hi f'elt t 

the proper channel. for ba,ncl]i"3 policy mat~..rs ntl\\throush himself, 

EO 3.3(h)(2) 

-1- PL 86-36/50 USC 3605 

Declassified and approved for release by NSA on 05-21-2014 pursuantto E.O. 1352a 

TOP SECRET 
l.8 Apr11 1952 

stmJ'EC'l: I !Participation in u oS ./u oKo Collaboration on OOMIE 

Mattera 

• - • - • - • - • - • • • ~ • • • • • • - a • - • - • - • - • • • • • - • • 1-:t: ate: . , ~~~J!h ew .· · the reapective contributions --·~~~ ana. interests ot the 

three nations in the/total COMD1T ettort, it was~ reasonable to 

expect them to ait 40wn aa equal. partners in discuaaions ot the various 

e:=:tr· D:::.:~9::7~ I 

no definite c1$d&1on tor or BG&J.natl las a generc.J. 

rule, but imJt.4 to .4ee14e on t,he basis or ~ =~ ictuall1' 1nvo1ftd 

in e$Ch coD.fWence •• 1./ . I~ to c.ccept this ~t ot view 

and clid :aot/presa. ttii matter further. ~ stated, hoWever, tlJJ.l,~ amious t.oi~ .a.useful. part and woμld. welccme u.s. ~dance ~end. 

60 •Queetion Bl.ao a.rose ... • .t;c) the mat~~o:r Pi-ocuriDS C<KmT stu41ca pr~by>tb.e u.s .. 1n1'U1gence age~iea~ It WD.B pointed out, as bad 

prevloualf be64 aone., .. 'that thesf! studies wre ~ control of the agencies ~ng them ~ that J\Ft3A coU14 supp~ o~ those that ha.4 been rel.eased 

b~ 1;lie .~a• Req_ueats for a441t10DB1 material would have to. be mode 

tc> ~··l.at~er tl1i'oU8h the proper cbannel.s. 

:f// 

;~~:;' , 

EO 3.3(h)(2) 

PL 86-36/50 USC 3605 

~ 

~~ J • l!l. WEliGER 

Rear Admiral, U. S. l'la'V1' 

Deputy USCIB Coorclinator o 

-2-

TOP SECRET 
• 

.. I . ' REF ID:A55207 

l OP SECRET SECURh .. f8ffftMf18N 

6. Ca;ttsow •en COMilJT 1a detined as those results appe1'tain1qi to 

the ~18 of encipherecl weather messages. 

7. Ca;tsozz "D" COMmr is Comamnica'tion Intell:lgence ot suoh low 

degree of sensiti'Vi:t7 oi source that its comprom1ae voULd have a minimm 

ettect upon otber upecrts ot .the overall CCHIN'l ettort. and. vbich, to be 

\18Gful.1 Dl1Jl1b be disstlld.nated operat:lo~ to eubstmrtdal DIJll'be:r8 ot !ndootri.nated personnal, cleared tor the clua1t1cation appertaining to ita 

content. Operational di•llDination, u ueed herein, !.sludea dieeadnaticm 

to combat units in the field and to other ncipiente having the 11need. to 

ao Unless othel'wiae specU1call.7 asr-4 b.r the USCIB Coordinator 

and the Director, GCHQ, Oategor.y nnn COMINT shall be atr.lctly limited 

to1 (1) those :results pertaining to traffic anal.pis (imluding 

Direct-ion Finding) of specified targn mtiom wherein no analpi8 

ot complex pzoceduraal systems 1a inVolftd.1 am (2) those results appertad.~ to tha analysitl o£ UD111Cr:n>tecl messages (ineludi:ng thoae 

trmsmit.ted. 'b;r voice) am ~ c1'1J>'l;oaystema ot a low ol'der ot 

cryptosecuritTa 

INDOCTRINATION 

So Except in cateBories of persons and in individual cuea agnecl 

upon t1"0m 1;1me to tme by USOIB aml LSIB, all personml 'to be as:lgmd to 

Oonmmication Intelligence duties or indoctrinated as nc1p1ent.s ~ Cmmun.1.Cat.ion Intelligence shall be the subject. ot spaoi.al securltJ' :l.Dqtd.riuo 

To ensure that such 1nquiri.ea are •'•'Jar in chal'acter, each party shllll 

-he 

j(Jp SECRET SEtHRlff lttf8Rtf J.l1Qtl 
... 

tol'Nard all regul.t.ions governing the same to the other for intonnat:lon. 

a. It :la recognised that 'the atamarda ot such epec1a1 eeourit1' 

inczuiri• 1Dl\Y d:lttU' depemling on whether the imiVidaal in question 

vil1 have tme••• 

(1) To Category nnn OOMIH! &M/or C&tqo:z,- •en OOMIH'1'1 onl.7J 01" 

(2) Additional.171 to~ •A• cmmn am/or 

Catel017 9 B" OOMIN'.r 

and that INCh dittel'eDC• Vill be ocmaenau1"&te vlth t'be clifterence 

in the 11ensi tivit,' of the materials included in sw:h categoriesa 

b. The principle ot indoctl'1nat.ion ia baaed on the •neecl t.o 

k:rJft-R, wh:lah means that each person 11111 be indoctrinated onl.J' tor· 

such portion ot Communication Intelligence . (vl'd.ch ~ be aq one OZ' 

more classes ~ COMIN'l') u he nquires in order to per.tom h1a 

uaigned mission. !ha indoctr:LnaUona tor the VC'ie>Ua classes ot 

OOMINT will ditter 1n accol'danee with the •need to krJov'1 o 

o. Above ell :l:t U. imperatiTe that unaubhorised persons be 

P"ftnted f1'GID ucertaining1 (1) the scope ot t.he COMIN'? ef'~ort, (2) 

the degree ot sueceas obtained in geneft].1 am (3) the spec::lfic tne• 

ot cOllllNDications which can be read.. It ia on1.1" by a atrlct application of the principle ot 1;he "med 1;o knoll" to COMINT 1Dioctz'ina\1on. 

u wll as to its d1asanination1 that it v11l be possible to nd.rdm1 ze 

the risk of conp"Olldse inherent in the :f.ndoct1"1nation ot aubstanti&l 

numbers of illd1:V1d'Ualaso 

· 4. A person 1lho has been indoctrinat4'd. tor one or more of the 
... 

REF ID:A55207 

i UP SECRET SESUR.NFQRM.1JIQN 

less aensi t!.Te cl.uses ot COMIN'l' lDll1' be indoctnnated tor one or 

more ot tm more sensitive olasaea thereo.f cmq after 111ch 

individual baa been the subject, of ti. speoi&L aecurltJ' inquil"J.88 

applicable to ~he more senaiUTe •terial.o 

•• :en time ot war or 8181'genay. or 1n a1'9U agreed upon baa 

t1- to 'time b)r lJSCIB and IBIS a subject to Dlm'g•DIJ' Begulatiom, 

or othezvlae aa agreed by USCIB and IBIBs 

(l) Exceptional oocaiom llJ91' aria• wh9N i't !.a conaldered 

eaaen1dal tor a iM!vid:a.l. to 'lake up his duties bei"ON the 

special security inqu1Z'ies can 1- compla ted. In such cue. 

the penon concenied may be auitabl.1' indoctrinated on the · 

author.t:ty ot ncb senior ofticen or o.t.t'iciaJ.8 u are du!gnated 

b,r the Napective parti•• In all. au.ch cues. steps shall be 

'taken to ensure 'bbat. special ••Ul"itJ' inqu1.riea an cam.pleted 

u soon u poesible after indoctrination. 

(2) It..,- be considered essential. to emp10J'1 solel¥ tor 

intucepting or tramlating raw Vat.tic 1n connect.ion vith the 

praduction of Categor.r •D• COMIN'r, para ma as to whom the 

prescr.l.bed. special security :llJClUir.l.es are imJJOSsible or Smo 

·practicablea In such cases as are approved b.r trSOIB am LSIB, 

the persona concerned DJll1' be apeciall.7 Uidoctrinated tor such 

limited purposes, and not othel'llise,, attel' 81.lCh epecial. 

secur:l:tv inquiries aa :mq be practicable have been madeo 

.6- """"P.llY INEDRMAIION 

1 OIA bLClU:J 
A REF ID:A55207 A 

• -rnp gc·eR • 

U t.f f SEGYRl'fY INfSRMA'RBN 

9. USOIB am ram ahafi maintain compl.ete lists or persons curnnt:cy 

indoctrinated tor Categ~ n A" and Catego1'7 •Bn COMIB'? 'UDler their 

respective Oovernmeniis, epecitying in each instance the om or more claaa•s 

ot OOMIN"l' tor which the person ccmcemed has been 1ndoctrinated. 

a. Ho national of one pa"7 shall be permitted ac.cess to the 

oth«l" ~·· COMim age:noiea or to the products. or knOvl.ec!ge of tbe 

ex:latence thereof, mlesa he be approve4 by h1ll parent 91•D.tf or 

Boud1 and. be pt"Opel;y indootl'inated, am INCh access or knowledge 

ehall at all times be limited. strict:l1' to the particular one or m0re 

classes of OOMINT tor 'llhicb the person concemsc! baa been iJld.oc1;zolnated1 

with the approval. al his parent 91em7 01' Boodo 

b. USCIB and LSIB shall keep each other fully informed ot the 

Depart.ments, Mirlistries, Age!JC1es, Ofticea, Headquarters, and Ccanama 

:Neeivillg Categor,y ttA" mid Ca'tegOZ'J' ns• COMIN'r, or either or the, or 

81\Y one or more classes thereof• indicating the approxlmate number 

ot inioctrinated persom qualU'1ed to receiTe each class" 

GENERAL PBINOIPLES OP COMINT SECURrl'I • u b szwwwa • ...... , -

10. The value of' Coummication Intelligence in nr and peace cannot be 

OV9N8'thnatedJ consena:tion ot the source is of supreme :t.mportame. It 1a 

essential, therefore, that the production, a:ploitati.on, and dissemination 

ot COMDR, and as well ot all related or resultant :lntormation, be etrictl1' 

contl'olled am appropriatel.J' llmiteclo The prov.taiona of these regulatiom 

abaU appl¥ to &!\Y intelligence vhich. 1n whole or in par1i• imludea itma 

which can be traced solely to COMINT aourceso 

SEGURRY INfQRKIAliYH