RP..IE!i~ING SHF.ET FOR TH~ CHAII<'lw"'il', JOilil'l' Chld5 OF STAFF 

JOil~T afH,"FS OF ~'l'AFF MEh"j'ING,, 1000, \oi'hDN.&.SOAY 

14 MAI 1952 

AGENDA ITEM NUMBER 5 

J .,C.,So 2074/1'3 

SUBJECT: CRYPTOGRfu.T)HlC SYSTEZ1S :FOit NA'J.'O US.b 

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l.. SHAPE J.as expressed to the Standing Group concern about MA1'0 commun:i.cation security 

and has requested that action be taken to improve it. The u .. s .. Representative, Standing 

Group, corroborates the view of SHAPh and has requested the Joint Chiefs of Steff' to diract 

preparation of a plan to improve NATO collllD.UID.cation security. (.l!.nclosure to JoC.S. 2074/12)0 

2.. Two new U..,s .. equipltents which will meet Combined and NATO requirenenta !or literal 

communication security equipnents a.re to be se1·nce tested. by the l3rit:1.5ll, at their request 

(Enclosure to JoCDS., 2Cf/4/ll), and it is expected that the U,.S. will reoounend adoption of 

one ot these eq.iipmenta tor Combined and NATO wae. Ono ot the equipnents (AFSAH 7) will be 

available in quantity by the end of 1952, and the other (AFSAH 47), early in 1954· ln 1950 

a target date of l January 1955 was agreed £or r«Splacemmt ot the CCM (.l!.nclosure to J .,C.,So 

2074/7),, 

I CURREt'T Rb~!: 

3., A dra.tt memorandum for the u .. s. Represw.tative., Standing Group, (&icloa1t.I'e to J,C"S~ 

2074/13) outlines the spec'J.tic actions being taken lll the U.,s. to improvf" NATO communication 

security6 Briefly, it states: 

!"' Simplified p.eocedures for the ca.i, a crypto-mochan:i.sm change, and i88Ua&'.l.Ce or a. 

new type ot rotor will be completed by the s pd.ng ot 19.5.3. These rill overcome the wea.k-= 

nesses which are ot immediate coocem about CCM securi.tya 

Jio A new UaSo equipment for teletype encryption will be in .tull scale production 

lat.e in 1953, and it appears to be the beC>t solut.:ion for NATO on-line encrypted communica~ 

tions.. Only a limited. number of present UoS. eqμipuenta win.ch might be suitable are 

available., 

~o No U.,S., equipment exist3 in sufficient quantity tor a NATO tactical system, nor 

do UoS• equipments meet all NATO criteria for a tactical system3 A mechanical device 

which meets most or the NATO requirements is near productio11., and is being conaidered 

for possible NATO use., 

So A long range and interim crypto-plan has been approved by the Armed Forces Security 

Agency- Council.. Implementation of this plan u well a.dvanced.7 and it includes prov1~ion 

of e7etema !or Combined and NATO use., 

!.• Representatives of 'U1e Director, Anzied Forces Security Agency$ plan to visit 

SHAPE early in June, 1952,, to advise on NATO communicat.ion security matters .. 

RECOMJl.ENDATION: 

44 It is recommended that J .. CoS. 2074/13 be approved. 

H J CANINE 

Major al US Army 

Director, Armed Forces Securi.t:y Agency 

Briefing Sheet prepared by Mro Thomas R. Chittenden 

Exl. 60J82 

Office ot Conanuniea.tion Securit;r, 

CC: General Bradley (.3) Arrey Deputy (l} Consultant 

Director, Joint Staf£(2) Navy Deputy {l) Of!. of R&D (l) 

Air Force Deputy(l)Logistics DivCl) 

TOP SECRET 

Off. of Cul•.Sl!.C 

Plans & !'olicy 

Declassified and approved for release by NSA on 02-12-2014 pursuantto E .0. 1352a 

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