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~ REF ID:A67170 

TO SECRET SUEDI 

DCLOSllm (ADI) 

Program for Imediate Remedial lle&lllll"•a to Correct the Insecurity 

ot Portuguese Communicationa 

1. USCIB requeata concurrence of ISIB to the •ald ng ot a direct 

unilateral (U.S.) approach to the Portuguese Goverment at tbe highest 

level with a view to correcting the current insecurity ot Portuguese 

oommun1 cations dealing with RA'l'O attain. 

2. In presenting the •tter to LSIB, the proposed steps would be 

indicated. as being the following: 

a. 'l'he U.S. Secretar;y ot state, through the u.s • .Alllba.asad.or in 

Id.abon, notitiea the Portuguese K:Lnister ot Foreign Affairs (MFA) that 

the U.S. Goverllll8llt haa obtained a report .from a U.S. agent in Spain 

which la a cop;r ot a asaage sent by the Portuguese member ot the CouncU 

De.PUtiea on 22 llay' 1951 con:tai nj ng the COSMIC intelligence appreciation 

aa given by Colonel Pt.atnall to that 'bod1' on that date. 

b. The U.S. Ambassador would point out to the MFA that 1n the 

cue of this message the President, Council Deputies, bad apresaq 

directed that this intormat1on not be sent by electrical mans, but 

onq by courier' am further that this msaage revealed an official 

poliOJ' of the Portuguese Government ot non-oompl:l.ance with the use ot 

the TIPEI -.chine aa the onlT authorised means ot electrical tranmiuion 

ot OOSMIC mater1-l.. 

c. The JIFA would be 1nf'01'1118d that the U.S. is so cmcerned 

about this flagrant violation of NA'rO security that it 1e aeri~ 

cons:ld.ering referring the violation to the Comicll Deputies. Hawever, 

the u.s. is loath to take such action am would be willing to forego it 

it adequate asmrances are received from the Portuguese GoverJJment that 

the T!P.D: will be used tor the tramtmission ot all COSJIIC material, '1'0P 

SUlRET and SllllUH' NATO intozm.tion and :nat.1.cmal ccmaent on such material.., 

and that 1t hereatter requeate b.r a goveron.ent tabling intomation before 

a HATO bod7 to tranapnit such illf'mw.tion only b,r' courier. will be atrictq 

Declassified and approved for release by NSA on 06-19-2014 pursuantto E .0. 1352a 

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• REF ID:A67170 ' 

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obserwct. 

d. The JIFA and hie crnto advisors would then be given positive 

proof that the TIPEX ia a secure means of oammmication, and. the WA 

should then be iDiuced to direc.t the crntograpbic office of the llFA to 

compile nat.ional settings tor Portuguese ftPBl camnnn1cationa and that 

all Portuguese conmnmicatiODll d•J 1 ng di.rec~ or illdirectq with COSMIC 

or mP sma:r and 81'£Bl' IA.TO intarmtion be tranmitted either in TIPBI 

with simplex. settings provided. b.r the British or in T!Pll with aimpl.ex 

aettitlgs ot nat.icmal production. 

3. Upon acceptance by IBm of the steps outlined in paragraph 2, 

to make the approach to the Portugueae MFA u :lndi.cated.. 

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~L 86-36/50 USC 3605 (Ccmi.euta OD thie approach) 

It is recognised that to be ettective, U1' approach to the Portugueae 

on this mbject JIDl8t shock th•. Thie 111hock:11 muat be of 11\lCh a nature 

that it will inmre their canpliaDce with the 00911IC aecuriv regulations 

regarding the UM ot the TYPEI,\ 

l I 'Ibo ,,.. or the foregoing _.-- t.he t I 

\ _ cmtaill8 two :lJqportant 

e1ementa, a 'Violation of the request bJ' the President, Council Deputies 

not to tranmnit the intonation bJ' e1ectrical means, and the open statement ot the Portuguese attitude on the uae ot the T!P.EX. 

Mlch llATO information receiwd by Portugal has found ita wq into 

Spain because ot their hiatorical ties and. close association, I 

I 1t. would be natural tor the U.S. to want to .......... ~~~~~~~~~~~ 

reter t.he v.l.olation to the Council Deput.iea. Thia threatened. action 

•°'11.d terrify the Portuguese am thq •uld consent to almost ~ 

to\awid such action. 

2 

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TOP SElltET SUEDI ' ......__ __________________ ..,... and al.BO providea 

an uc•llent opportunit:r to indoctrinate the Portuguese at the highest 

level in the actual aecurit:r ot the 'l'IPZl. 

3 

PL 86-36/50 USC 3605 

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TU? SECRET SUEDE