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AGENDA 

2 

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17 Jum 1.9$2 

SUBJECT AND COHMFJ1'l 

u.I./U.s. Conmun:t.cation sec~ Conte:rmce, l9S2. - The Report ot the Conlerence is now 1'0 ea Di •• as Cba.iman ot the ecmterence, tor the oonmderat1on ot .AFSAC and t.hat bocQ'•a decis1cm 

aa to tonrud.ing it. to the Joint Chief's ot Statt tor u.s. appz'OYa].. 

'l'here are aeftral points to lriiich t.FSAC's attention should be 

apecil'1call7 :l.nv1 Wa 

1. In par • .) ot the Rej)01"1;,, reteronce is made to t.he agreement. in regard to the 1mmediate CCM problem. Improved securl.\7 

vill be obtained by certain changes in the ~eaant CCM ml in the 

methods o£ wsing it. lllase chan,Jes are expactai to iDsure sut.t'i.-

cian'L aecurJ.. t,y in the present CCM until a proper replacement will 

be prov.lded, lih.1c.b will be dona as aaan as pract.icable. ·Rork on 

the nGW CCK will proceed as soon as a reply is racel.ved .tmm the 

3r1 tish Chiefs ot stat.t t.a the li.s. Joint Chief's al Stat.f' Memorandum SM-l..3C9-S2 dated 28 M;q 19S2 {a JCS 207!a/.J.4). 

2. Par. 8 ot the Report establishes mat U7 be considerat 

as a nev policy so far as the u.s., but .uot. so tar as the iJ.K. 

is concerned. The iJ • .K. policy, tor several jl&ars at. least, nas 

bemi to place IJ .it. COMSEC int.erests anem at their COMUl? interest.a. The U.K. tomulated anl applied this polic7 1n 1949, when 

they proposed 1Urnish1ng the Western Union Powrs Z.t.h u.K. ~JP8X 

maehine&J they nmr are proposing to extaDd thi:J policy to the 

vtiol.a ot NATO. The u.s. representatives to the Conterence just 

aldal have concurred in the 'C.X. polic7" preferring to leave tiJe 

~amn implicatlons and pmbabl.e repercussions on u.s. COML"iT 

interests to the considaratlon or ~her u.s. authorities. 

J. Par. 9a, b1 c,, and d1 it approved b;y ""lie U • .3. am U.K. 

aut.horltt.es, v.lll place in tbe hands ot ncm-BRUSA 1''1D govemmants details ot conat.ract.t.on and azampl.ars ot certain higbsecurJ. v C171>to-equ.ipalts. It would mean t.hat the u.s. am the 

u.r. would lose contl'ol over thma am that the principles and 

da1iails ol co:asti&'uatlon ol potent.iall.1' paver.tu]. delansi w uaapcma 

would probabJ.7 tall into enaav hanis, perhaps to be used agaiDSt 

us later. Included 1D theaa aquipnanta ares 

-re~ SEeREr 

Declassified and approved for release by NSA on 05-20-2014 pursuantto E.O. 1352a 
• _.Lt!!:,,,_;. .. _ l'P:~ .. a,. .. _- ~Ji.ii-\--"' ..... 'a--" ------- "REF ID :A67179 

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I'1'!M OF 

.&&ERDA 

2 

17 Jum 19.$2 

SUBJECT A.-1> CX>MMDIT - Contl.nuacl 

a. AFSAM 7 (u.s.)} b. AFSAM l.&7 (u.s.) 

c. POR1'EX (U.I.) 

d. AFSAM 36 (u.s.) 

e. ROLLICK I (tr .1. )} t. ME,'tCURI (U.K.) 

g. S U.c.c. (U.K.) 

h. SIGTO! (u.s.) 

1. !lOCKEI (U .X.) 

Litanl 

Cipher 

equipaant.a 

4. ?artl.cular attention 1s invitad to the proposal. to 

raloase the U.E. MERC"JRY equi;ment to non-Bfill~'\ ~ATO govemmmts. 

!his apparatus amplo;rs tho crn>to-pri:lc1ple3 o! the ..; • .::;. SI~Af, 

tbs releaae of iihich t.o the iJ.K. has constituted a point ot long 

ar;J"JJD&nt a.nd contention among u.;;. authorities, as well as i:>etueen 

U.J. and u.x. authorities ever 3i::ice J.S42. ::t !las developed arr1 

it. is now :;>erf'ectl.y clear t.'lat not onl;r .uvo the Jritish known 

am understood t.b.e cr,nto-pr.Lncip.las on ...nich the :3IGAJ.A/3QI are 

based., as tne7 nave conaist.ent.l;{ ;;iaiatJ:i:wd sinee 1947, l>u.t also 

they :.Jave constl'Uctcd at least 5o !'.ERC' .. RI l'!lilChine:J embacying those 

prineiples. In f'act, the .... K. ~CURI aquipmant is much mare 

secure than ~ u.s • .3ICAJA/t'-CM or the CSP 2900, so that tram a 

realistl.c viaYpoint there is certa:inl;f :JD longer aey logic W&tever L"l continuing to regam the latter J.s. equiillli8llts as 

•.mmsntionaoJ.en so !ar a:s the Jri:t.ish ara a>ncerncd. The r.r~h 

.:mra importa.'"lt point now to can sider ia Ziet.."ler the ..; .s. 3hollld 

concur nth the U .x. author.t ties who vi.sh now to release trae 

Cl"'.YPto-pr!nciples r.:J! 3IGA:3A/ECM to r.on-3RL;SA ·::..'ID J'QYernments. 

S. In View of the :oMINT implications o:r 3\l:h a ;,JrOposal 

as the latter, as well as ot the p:oposal to release the details 

concern1Dg the other equilJllODts listed in par • .3 aoove, it is 

suggeatecl that t.be RepaE't or tho u.K./U.s. COJJlllUlli.cation secur.L_. 

Contaronce. l9S21 be tal"'"..r.n'der! to t.he o.s. Joint Chief's of Stat".t' 

with the recolllliSDdation that betore approving the Report of the 

Con:terance the points broug.11t out in par. 4 aDOVe be reterred to ~SCIB tor disc"111Ss1on an.l rocommmdatt.on a.:J to ~ether the u .. s. 

should concur 1n raleastJJg all the equipments :;>roposed t~ release, 

J.m:llllilJg the U.lt. MmCURr equipnmt. 

2 

i9P SE£RET