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NSA OPERATIONS OllDER 

NUMBER 124 

NATIONAL SECURITY AGENCY 

Washington 25, D. C., 16 March 1955 

EFFECTIVE UNTIL RESCINDED OR SUPERSEDED 

TASK ELEMENT. • • • • • • • • 

MISSION • • • • • • • • • • • 

OPERATIONAL CON'mOL • • • • • 

TECHNICAL CON'mOL AND SUPPORT 

TASKS AND R.l!:SPOiiSIBILITIES. , DIS'llUBUTION ••••••••• 

OP ERATIONJ\L LIAISON • • , • • • 

SOURCFS OF RAW MATERIAL AND 

COMINT IN.FORMATION. • • • 

. . 

• • 

• • 

• 

• • 

• • 

SECTION 

I 

II 

III 

IV 

v 

VI 

VII 

•• VIII 

SECTION I - TASK ELEMEl~ 

Arrrry Security Agency, Caribbean 

SEC'fiON II - 1'0.SSION 

1. Provide COMINT in support of U. s. Army, Caribbean through the 

intercept a.nd D/F of foreign communications targets affecting the security of the Canal. Zone. 

2. Submit ra.w tra.fi'ic and technical reports to NSA in support of 

the Nationa1 COMINT erfort. 

SECTIOI~ III - OPERATIONAL CONTl}OL 

1. The Director, NSA, will exercise operational. control over the 

intercept ~acilities, the control of which is not de1egated to an intermediate COMINT headquarters. D/F will be controlled, as the mission 

requlres, by the intercept facility. 

2. Routine operational instructions will norma.ll.y be issued 

directly to ASA Caribbean. Non-routine oi>era.tiona.l inst1"U.Ctions will 

be issued throll8h the Chief, ASA. 

HANBHI Y:Y .. 99JmPR 

C'BAlt!f.l!lfB eNQ!' 

Declassified and Approved for Release by NSA on 03-05-2014 pursuant to E.O. 13526, FOIA Case# 0 

SECRET 
-. NSA OPEnATIONS ORDER ~lUMB'l!m 121~ 16 March 1955 

3. Detailed instructions concerni.na the routine i'uncliloninc; of 

intercept; control a.re contained in appropriate USA Cit'culo.rs (50-aeries). 

SlOOTION IV .. TECHITICAL CONTROL J\ll1D SUPPORT 

l. Technica1 control will be exercised by lihe Director, NSA. 

2. Technico.l control instructio11s will be isoucd directly to 

ASA Co.ribbeon. 

3. Teclu1ica.l support will ba p1•ovicled by ?l3A o.nd. by other designated 

sources. 

SECTION V - TASKS AIID RJ!'.qpOJ-:rJIDILITIF.s 

1. Intercept 

•a. Intercept roreie;n communications activity in the Co.ribbean 

area. lri th the aim of identifyinc; illicit tronsmissions. 

b. Perform such direction rind.in~ a.s may be required in support 

of' the nlission rei'erred to in po.r~o.ph l. a. above. 

c. Record a.nd .i'orward a.11 i11torcepted tra.rr1c to MSA, with 

ini'ormo.tion copy to ASAW, in the rorm specii'ied. 

2. Trai'i'ic Ana.J.ysis 

a. Perform trai'i'ic a.nal.ysio required i'or loca.t intercept control,, and for processlni or intercepted ro.\T ma.teriaJ.. 

b. Ma.inta.in IJ?Erl'A and othcn· teclu1ical data provided by lr.:>A.. 

c. Perform trari'ic analysis or such comnrunicati011s tEl.rGcts as 

may be a.ssianed i'or the purpose or preparina caurlT end-product reports 

in i'ulfillri!.ent or tho ascisned CCJ.1II1T support mission. · 

3. Reporting 

a. Tech11icaJ. Reports. Prepare 1201•iodic a.nd special tcclmical 

reports in o.ccordonce with USA Circulars l50-scries) or as otherwise 

specified and provide thecc i-eports as deslr:;natcd. 

B::Atmm ftA eeHIN'! 

~LB eNQ! 

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BEeRB'i' 

NSA OPERATIONS ORDER ?fl.IMBER 124 16 March 1955 

b • COMINT End-product; Reports 

(1) Prepare periodic: special, and spot reports of intercep l;ed connnunications targets in accordance with NSA 

Circulars (50-series). 

(2) Respond, within capabilities, to specific requests 

received from local commanders. 

(3) Respond, within capabilities, to emergency requests 

from local commanders. 

c. Technical data will not be included in COMINT end-product 

reports without prior approval of the\Director, NSA. No such approval. 

is granted by terms of this order. 

SECTION VI - DISTRIBUTION 

1. Technical Reports - Initially the distribution of technical 

reports will include the following: 

a. NSA 

b. ASA Washington 

2. COMINT End-product Reports 

a. The following commands or activities are authorized to 

receive COMI~"'T information: 

(1) NSA 

(2) ASA Washington 

(3) sso, 

(4) sso, 

(5) sso, 

(6) ssp, 

CINCARIB 

USARCARIB 

Hq.' Strategic Air Command 

Hq.' Air Defense Command 

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SE€RET 

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s~~636 '--A ................. ...... 

NSA OPERATIONS ORDER NUMBER 124 16 March 1955 

b. Only spot reports, other than those concerned with recurring 

developments within a local area, or ~epetitive and predicted communications changes, wilJ. be addressed to SSO, Hq., Strategic Air Command and 

sso, Hq., Air Defense Command. 

c. Selected end-products wlll be addressed and distributed to 

non-Army recipients in accord.a.nee with NSA Circular 53-2 (Reporting of 

Significant Activity under Conditions of Alert) and NSA Circular 53-5 

(Procedures for the Conduct of Cross-Servicing Activities). 

SECTION VII - OPEHATION.AL LIAISON 

1. Liaison with U. S. C01'1INT units in the Caribbean Theater as required for successful accomplishment of l:.his m;4ssion is authorized. 

2. Liaison with non-U. s. COt.iINT units is not authorized. 

SECTION VIII - SOUHCES OF RAW NATEHIJ\L .AND COMINT INFORMATION 

1. Facilities and personnel asslgncu to .ASA Caribbean for COMINT 

purposes. 

2. Raw material and semi-processed material produced by the above 

facilities and as provided by other designated sources. 

3. COMINT information proviucd by the Director, NSA. 

BY CO:t.~.U\.ND OF LIEUTENAIIT GENERAL CANINE: 

DISTRIBUTIOII 

Special 

lt.Mft)tl!: "v"I:A C6MBJ'f 

SHRJN.l!H:lJ Off 'EX 

~!n:h Colonel, U.S. Army 

Deputy Director, 

Production 

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SECRET 

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