~e ~Frt:W;AS~QA~ • I· ~ttUK~- DEP AETME~"T OF Dl!.F1NSE 

ARhED FORCES Sl!.CUP.ITY AGl!.NCY 

Washington 25, Do Co 

Serial: OOOlli~ 

6 May 1952 

tQP SJ.ilffitg'f SEi0URI'fY HlFOBUA'l'lOW 

M»10RANOOM FOR THE SECREI'ARY, JOINT CHIEFS OF STAFF 

SUBJ1CT: Transmittal of Document 

Reference: AFSA Serial 000107 

It is requested that the 1nclosure hereto be substituted 

for pages l to 4 inclusive or the ref erenceo There is no change 

in the E..nclosure to the rei'erenceo 

FOR THE DIRECTOR: 

Inclosure = l 

GEOa E. CAMPBELL 

Colonel, AGC 

AdJutant General 

Memo to JCS, SubJect: Cryptographic 

Systems for NATO Useo 

CC: OOA (1) 

OOB (l) 

ooc (l) 

OOT ( 

!\G (3) 

04 MaJ.l Room (1) 

04 Daily File (1) 

04 Comeback (l) 

402 (2) 

12 (2) 

MEM.O FOR RECORD: The Mitorial Section of the 

Joint Chiefs o! Staff ~ecretariat obJeetoo to 

the reference in that there was too much ~upl1~ 

cation between the Memo for the JCS dlld the 

Enclosure -which the JCS was requested to approve 

and dispatch to the UoSo Member, &tancb.ng Groupo 

The inclosure herew.i. th is a. revision of the M.emo 

to the JCS, J.!l line with this suggestJ.ono 

LtoColoCoBoMunson/2l2A/239/gaw/5 May 52 

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roved for release b NSA on 02-12-2014 ursuantto E .0. 1352 
.JOP ~If ,.J;Q-i~m2 t!J\JK~ 1 

DEPAR'W4filIT OF DEFENSE - ARMED FORCES SECURITY AGENCY 

Waslu.ngton 25, D. c. 

'fOP ~ - SBetJRI'ff DIM3RUA'i'le!l 

MEMORANDUM POR THE JOINT CHIEFS OF STAFF 

Serial: 000115 

p Uay 1952 

SUBJECT: Cryptogra}ilic Systems for NATO Use 

EO 3.3(h)(2) References: (a) JCS 2074/ll 

(b) JCS 2074/J.2 PL. 86-36/50 USC 3605 

l. Reference (b) wu tonarded to this Agency tor comment 

and recommendation as a matter ot priority in connection VJ.th the 

study ref'erred to in JCS 2<Yl4/ll,, Specifica.J4"1 \C<>mments wre 

requested on the proposal tho.t appropriate United.\.State3 agencies 

be directOO. to develop.o as a matter o! urgency 1 a plan for the 

provision or cryptographic material tor NATO use. 

2. Cryptana]¥tic techniques have rendered World.liar II crypto= 

equipnents obsolescent before developnent and production of new 

equipnents have bean completed.. Among these obsoleacent\equipnents 

still in use is the Combined Cypher Ma.chins (COM). A dratt Ille!OOrandum 

(Enclosure) tor the U.S. Member, Standing Group, summarizes the 

actions being taken and plans being formulated by the Director, AFSA, 

.for improving NATO communicatio11 security. 

4. It is recommended that the mamorandum in the Enclosure 

be forwarded to the u.s. Member, Standing Group. 

ear 

J. 

Admiral, 

N. ~ u. s. Navy 

Acting Director, .Arn:OO. Forces Security Agency 

Enclosure 

TOP SECRET 
SUBJECT: Cryptographic Systems for NATO Use Serial: 000115 c May 52 

cc: O/S (l) 

DD/_N (1) 

DD/AF (l} 

Consultant (1 - EO 3.3(h)(2) 

AG (J) Plans &. Policy (2) 

ComSec Mail Room {l) 

Com.Sec Daiq File (l) 

ComSec Comeback (J.) 

ComSec Planning Group (2) 

PL 86-36/50 USC 3605 

po s ou e equa.cy o s 

cryptographic systems tor NATO use, and this paper 

-.sas ref erred to AFSA ror comment and recomnendation 

in connection with the atudy requested in 2074/ll. 

This Mmoo for the JCS is the reply required by the 

rererences. 

Mr. TRChittenden/402.A/382/lp/5 May 52 

Drart concurred in by l2 

2 

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