This docwneu" is to be read only by thOBe personnel officially indoctrinated in aecordaa.ce with com• municatioo. intelligence security regulations and autborized to receive the information reported herein. 

OOC/'J242 

26th Februar.y, 19530 

Cha.irman, . United States Colllmmicat1ona Intelligence Board .. EO 3.3(h)(2) 

PL. 86-36/50 USC 3605 

2., In December 1951 ChairmanLE>Snl&B@ informed Chairman UoS@Ct'>leB.,/f 

that L..,S .. IoBo had examined th,/report of the Tripartite Group and·· .. had concluded that the intent and capability to f.IBtablish 

security arrangements were sutticient to wa:rrant the U ~s"' and the. 

UelCo -.king an initial approach to them about their comnunications 

security. 

* Paraci 3(1) of Conf'e:-ence report 

/. Parao 3(k) ot Conference report 

** Contermce report, parae 47(a) ol Enclosure 'B' 

Ii J.aIB/244/51 

x Dated 24th January, 19520 

Bacloeure 1 with USCIB 23/48 dated Jl Maroh 19530 

NATIONAL SECURITY AGENCY Form/7u i~OSC TOP SECRET CANOE 

Declassified and approved for release by NSA on 03-07 2014 pursuantto E.O. 1352\3 
REF ID: A516953 "FO 3.3(h)(2) 

T (>=-1? s E c rt ET CA r·"'YJ EPL 86-36/50 use 3605 

This document is to be read only by thoae personnel officially i!ldoctrinated in accor~CJl..'7'~ep'll,• 

munication intelligeace security regulations and auth_?~faed- to receive the information~~· 

countries and the II ao"'l'ernment bad undertaken de.tini.te im= 

plementing action~ basis of its approvalo Following thesa 

developnents UoSoCoI .. Bo would, ae previously agrtu~ci, b~ ·• •.. prepm-ed to 

discuss the meane tor approaching the I I alc>ng\ t.he 

general lines proposed by L.S.I.B. · 

4. It is now understood by L .. S.IoBo that, in spite of reser= 

vations about Civil Ministries, both the UoSo and UoKo .• delegations 

to the recent conference or the Tripartite Secu.rity Wotking\Group 

have agreed that poeitive steps have been takon b;y th.el Ito 

put into ettect the principles and standards ls.id down •.in·· ... the 1951 

Tripart.ite report., and L.S.I.Bo !eels that U,.S.C~I .. B's principal 

objection to an early approach to the I f is therefc>re lee.s valido 

So There have been two other developments since 1951 which 

attect the situation: 

(a) 

e t that they had a moral responsibility tQ bring the~e 

insecurities to the attention ot the UoKQ authorities 

with tho object of discussing what remedial. action 

could be taken., They were told that this matter would 

be re resented in the ri t er in London., The 

0 

(b) During 1952 there has been a 1lll;U'ked iml>rovememt in the 

··· .. 

6c 

graphs L.S,~IoB~ 4 and 5(a) 

considers 

and (b) 

that 

above 

the 

refiect 

developments 

an improvement 

outlined 

inL__J 

~ 

NATIONAL SECURITY AGENCY 

2 

Form 781-C10SC 

1 Jul 52 TOP SECRET €1\NOE 
~F ID: A516953 EO 3.3(h)(2) T PP s Ea RE T c A r•,o EPts6-36/5o usc 3605 This docwnem ... d to be read only by those personnel officially indoctrinated in a. .... t!ordance with c'O·mmunication intelligence aeeurity regulations and authorized to receive the inform~,,.~r~iu . 

• 

7. L.S.I.B • .teela, however,. that it might be desirable tor u.s.c.I • L Sol.B. ot recent develo ents to 

er ermce o " " ·~ ., represen a ves 

appears the onl.¥ eatiatactor;y m1tthod of conducting an adequate sw-= 

Vfq ot t.be current positiona A related aubject that might apprOpd. 

I ato'.cy be COl1lddend at a eon1'el'8Dce of u.s.c.1.e. end L.s.1.B. ,

1 

be essential to atop such a leak betore the outbreak ot any war 

between NA'ro powers and the Soviet bloc" 

80 L.S.I.Bo therefore urges that a conterence on the above 

questione between representatives or the two Boarc:b should be con= 

vaned ae earq ae possible, either in London or 1n Waehingtono 

While L.S.I.Bet would like an opportunity to welcome U.,So represen; 

tatives to London, it would be happy to comply i..f tor any reason 

U.S.C.IeB• preferred to hold the conference in Waebingtono 

NATIONAL SECURITY AGENCY 

EO 3.3(h)(2) 

PL 86-36/50 USC 3605 

ch&inlMin 

London Signal Intelligence Boe.rd 

3 

Form 781-C1 OS( 

1 Jul 52 TOP SECRET €1'\NOE