3 

• 

<a. f1$£ FOR. APPMN ALS, DlsOrMNM.S, 

CJJllCUIRENCES. OR SIMILA/t ACTION& 

INITIALS 

DATI · 

Cl TE 

COORDIMTIOM 

INRlllMATION 

lllRI: AND 

RETUIUI 

SEllE 
REF ID:A522790 C, .. · ' - - I ,- ~. ! 

DRAFT 

19 Jan 1951 

MEMORANDUM FOR AFSA-OOT 

SUBJECT: Cooperation with GCHQ in regard to action required on 

insecurity of French communications 

Reference: USCIB 14/112, 8 Jan 1951 

1. Pa.re. 7(b), (c), and (d) of the reference set forth certain 

GCHQ proposals on the subject. 'Ihese include the independent working 

out of AFSA and GCHQ plane to be brought together at a BRUSA conference to be held early in 1951. 

2. The following AFSA Ad Hoc Committee is appointed to collect 

the necessary technical data required to work out the AFSA plan~ and 

·•i· ·¥ 

to prepare ~~e plan;: 

Mr. William F. Friedman1 AFSA-OOT, Chairman 

Mr. P'rank B. Rowlett, AFSA-02AlA 

Or. A. Sinkov, AFSA-04T 

l:1~8;i·. {°Ft°, ~~~~~~~A1;~~A . !f!A-12 

3. In studying thre subject, consideration should be given to 

the fact that there probably are other governments than the French 

with which the u. s. is now allied, or 1118.1' in the near future be 

allie<f;and whose communication security practices should also be 

studied from the same points or view aa those involved in the situation 

as regards the French. 

4. The Ad Hoc Canmit.tee will draft a reportc embodying the AFSA 

planf, which I, as USCIB Coordinator, can submit to USCIB. 

5. It ie requested that every effort be made to complete the 

draft report b7 5 Febru8.1'7 1951, inaamuch as I would like to submit it 

to USC!B at its next regular meeting, which is scheduled for 9 Februar;y 

1951. 

E. E. S. 

DIRAFSA 
REF ID:A522790 

DRAP'T 

19 Jan 19Sl 

IDOJWmtnr FOR AP'Sl-OO'I' 

SUBJECT: Cooperation wit.h GOHQ in :regard to action required on 

iDaecurit.7 ot French conmnicationa 

Reference:. USCIB 14/112, S Jan 19.51 

1. Pare. 7(b), (c), and (d) or t.he reterence aet forth certain 

GCHQ propoll&le 1n conneotdon with the subject.. It is directed that. 

a. Stw.17 tho11tFOPoeal•J 

b. Collect the technical data required tor the 

preparation ot tlle Al'SA plan referred to in Par. ?(e) 

ot the reterenae1 

a. Prepare the D'S! pl.an oalled. tori 

d. Draft a report,, embod7ing that plan, which I, u 

USCIB Coordinator, can submit to U8CIB. 

2. a. In ~ t.bis abjeot, oonaiderat.ion should be ginn 

to \he tact that there p:robabl.7 are other goTenaenta than the Frenob 

with which the u. s. is now allied, or ma;r in the near future be 

allied_, and whoa• oClllDUld.oat.ion a.-ru . ., pract.ioes should aleo be 

studied. .t'Pca the same point.. ot Yin ae thoae involnd in t.he e1 tution u regards the l'Nnoh. 

b. Ia comeotioa with thie pbaae ot the nbject, Jft. ehould 

alao gin consideration to the fact t.bat tile u. s. is alre&dy rencterlnc technical COJISEC ueiet.ance t.o tbe Jd.lit.a?"T to:roes or ot.ha 

.-Mn ot the unit.eel Nat.1.ona with wh•• militarT f'oroea u. s. 

millta.?7 forces are now cooperating 1a Korea. 
REF ID:A522790 

'· In c&IT1ing out this aeaigment J'OU •7 requee\ the aeeiat.-

anoe of eucb AJ'SA technical personnel aa ma7 be necessary to collect. 

the required technical data. 

4. It is directed that. you draft a report, embodying the I.FSA 

plan, which I, a• t.ECIB Coordinator, can nm.it to USCIB, 

5. It. ie requut.ed that eyery effort. be made t.o complete the 

draft report • S Pebruar7 19Sl, inamueh u I would like to nbait 

1\ t,e USCIB at its next regular meeti.Dg, which ia scheduled for 

' f•brual7 1951. 

2 

E. E. s. 

DIRAJl'SA