S;BeRE! 

NATIONAL SECURITY AGE~ 

WASHilfilTON 2$, D. C• 

NSA REGULATION 

NtlM'Bm 31-1 9 August 1955 

EI!"FB:TIVE tm."l'IL l JULY 1956 UNLESS SOONER 

RESCIHDED OR SUPERSEDED 

COWIROL OF ASSIGNMENT TO HAZARDOUS ACTIVITIES 

SEXJTION 

suPritSESSION • • • • , • , , • • , • , • I 

PURPOSE • • • • • • • • • • I I • • • • • r.t 

um NI'l'l:ONS • • • • • • • • • • • • • • • :t:t:c 

GftOtJP ASSIGNHE'N'L'S • • I • • • I • • • • I :tV 

IMPLf.MBiNTATlON • • , • • • , • , 1 1 • 1 V 

SUPERVISION • • • • • • • • • • • • • • VI 

SECTION I - SUPERSESSION 

This regulation supersedes NSA Regulation Number 31-1 dated 

21 December 1954. 

SECTION II - PURJ:OSE 

The purpose of this Regulation is to establish guidance and 

to delineate the policy and procedures governing the reassignment to 

hazardous activities of National Security Agency military personnel 

who are,, or have been, indoctrinated for COMINT. 

SECTION III - DEFINI'.llONS 

For the purpose of this Regulation., hazardous activ1ties are 

those 't'lhich place a person in a position where he runs a substantial 

risk of being captured or otherwise subjected. to interrogation. 

SECTION IV - GROUP ASSIGNMENTS 

1. Whenever any individual. in the military service,, who is 

assigned to NSA and 'Who has had access to OOMINI' material, is 

scheduled for reassignment or termination of duty, an evaJ.uation 

'Will be made as to the extent and value of his current knowledge of 

C01llWT. Individuals having lmowledge of current vaJ.ue about COMINl' 

are divided into four groups1 

SE€RET 

eclassifi ed and a roved for release b NSA on 11-22-2013 ursuant to E .0. 1352 
NSA REGUIATION NO, 31•1 9 Ausuat 19~; 

a. ~cup "A" • Produaera of Ca.teso:rf I COMM who have no 

knowlt!dse or other Cntesorlee are classified a.a Oroup "A"• Personnel 

in this sroup ma.y be aasigri.ed to hazardoua activitiee on the recom• 

mendation of the Director, National Security Agency, to the parent service concerned. 

b. Group "B" - Individuals who have knowJ.edge or current 

value about Category II COMINT are classified as Group "B". Personnel 

in this group may be assigned to hazardous activities only after six 

months separation from such material. 

c. Group "C" - J;ndividuals, other than those specified in 

sub-paragraph d. below, who have knowledge or current value .about 

Category III COMINT, are classified as Group "C". Personnel in this 

group may be assigned to hazardous activities only after a separation 

ot one year or longer from this type of information. 

d. Group "D" - Individuals with precise lmowledge of COMINT processin~ techniques, competence, or potential regarding the more 

sensitive Category III COMINT materials are classified as Group "D". 

Personnel in this group shall not be assigned to hazardous activities 

at any time. 

2. Further delineation of the guides for categorization or 

groups may be found in USCIB Directive No. 7 of 16 May 1955· 

SECTION V - IMPIEMENTATION 

1. Policy - When an individual in the military service is 

scheduled for release from NSA for reassignment, suitable recamnendations with regarg to limitations on ass~gnment to hazardous 

activities will be made to the parent service. 

2. Responsibility and Procedures: 

a. The Chief, Security Division, is responsible for insuring that a report with aI?,E.ropriate reconnnendations as to limitations 

on assignment to hazardous duty is ma.de to the parent service. Such 

a report shall be ma.de in sufficient time oo permit the information 

to be utilized in the preparation of orders. 

b. The Chief, Personnel Division, is responsible f"or :forwarding monthly to the Chiefs of Start Elements and of Major Operating 

Elements concerned a machine roster.(RCS-NOA-245 Revised 5 Apr 55) lis~ing those individuals who wil1 complete tbeir 'NSA tour or Esti_-

mated Tour of Service seven months subsequent to the current month. 

Two copies of this ma.chine run will be returned to the Personnel 

Division not later than the first working day of" the following 

calendar month and will indicate the following: 

- 2 -

SECRET 
.... 

NSA REGULATION NO. 31-1 9 August 1955 

(1) The group in wh~ch the individual is classified 

as defined in Section III of this regulation. 

{2) Remark stating an extension or NSA tour either 

personal or operational is being requestea. When 

an extension is required, full justification for 

the extension will be forwarded on a separate 

Disposition Form to the Chief, Personnel Division. 

c. The Chief, Personnel Division, will forward a copy of 

the aforesaid machine run to the Chier, Security Division, who will1 

in turr.i,f'"orward to the parent service the recommendations regarding 

limitations of assignments to hazardous activities. 

3. Unscheduled Release - In the event of an unscheduled release 

of an individual (quick release), the notification pertaining to 

assignment to hazardous activities will become a part of the NSA 

clearance procedure prior to release from the Agency. 

SECTION VI - SUPERVISION 

Staff supervision of the policy established herein is the 

responsibility of the Chief, Security Division. 

BY COMM.AND OF LIEUTENANT GENERAL CANINE: 

OFFICIAL: 

Colonel, AGC 

Adjutant General 

DISTRIBUTION II plus 

USCIB 

D. M. AGNEW 

Captain, US Navy 

Acting Chief of Staff 

- 3 -

SECRET