. -. sfAss'r 

'fOP BBEJtHJl' BIPBR 

l'TSA OPERATIOI!S or-mm AN'Nl!~ 212-1. 

rTATIOR.\.T, SECURITY AGE~fCY 

Wo.shinGtOn 25, D. c. , 27 May 1955 

El!"'1"J:!!C'l'IVE UNTIL RFSCirmED OR SlJPERSEDED 

SECTION 

PURPOSl~. • • • • • • • • • • • • • • • • • • • • • • • • I I 

IMT'~'TICEPT CON'JROL............... II 

'£EC1IlUCAL SUPPORT. • • • • • • • • • • • • • • III 

d'OMII~ END PRODUCT • • • • • • • • • • • • • IV 

SECTION I - PURPOSE 

This Annex sets forth instruct,ons and. nro;e·d··.u. ··r· .. es govern~ ... ne; ·!;he relationship of USN-4o with the HSA~ _ Jin the 

processing and reporting of I COMHJT. All tasks and 

responsibilities set forth in this Annex apply only to the ~1 ........ ~ ........................ --..~ 

NavaJ. COMI~1T Problem. 

SECTION'···II····.,.····II'!TERCEPT COl'TTROL 

::"!'PL 86-36/50 USC 3605 

EO 3.3(h)(2) 

1. us:r~-lJ.O vrill exercise control over those manll.8.1 ntorse and voice 

positions ai1ocated col I cover an.a. a.esign~:eed 

Category C (reference NSA Circular 51-10). 

2. The Director, NSA, will exerci.se control over radiqprinter and 

other non-morse resources allocated to)/ ./ I cover at llSN-lJ.O. 

3. The JI IW"iJ 1 corrdinate aiQ/.1 inorse and 

voice coverlocated to the I Problem at • sta.tio.ns 

and USN-lJ.O in order to ~void unnecessary duplication an .• o insure 

ma:x:i.mum effectiveness of lihe combined I fCOMD'IT efi'ort. 

4. While the general principle will be observed that; cover on the I !Problem at USN-4o will be primarily oriented to-Ward the 

station mission for short-term reporting, the I ~ in 

exercising the coordination referred to above, is authorized to assign 

to USN-4o circuits on which cover is reg_uired for other than reporting 

purposes and to exercise direct control or such cover~· will be 

done when such circuits are not adequately audible at stations and 

such assignments )¥ill be kept to the minimum practicao e. 

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NBA OPmATIONS ORDER ANimx. 212-1 ~ Ma7 1955 

5. In exercisin3 control over these positions,, USN-4o will insure 

maximum qualitative and quantite.tive'intercept of encrypted messages 

pa.seed on the cases listed below. Changes to this list will be forwarded to USN-4o byutheul !through technical cbamlels. 

of' ~· cbaU::~n~.. :~:~e~:rrective tor more tJ!Y i'~!:;::i:i =. 

DmNSA and CNO (~11 be inrormo.tion addressees. 

7. USN-li.O will prepare the following intercept coverage reports: 

a. Weekly station coverage repoJ:'t - one copy by courier to 

the._I ______ ..... ~ 

b. Monthly recapitulation of' cover - to' th.cl I )and NSA by courier. This report will be prepare._d_o_n_t_he __ fi_r_s_t__, 

day of' the succeeding month. 

SF.CTION III - SOURCES OF TECHNICAL SUPPORT 

1. Th~ jwill provide technical support to 

USN-4o. Su teChri!Cil support Will include the following: 

a.. TEXTA 

b. TECStJt.1 corrections 

c • frequency plans 

d • callsicn keys 

e • procedure keys 

:f' • call.sign identirications 

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l'TSA OPl!BATIO:MS ormm Afll'lWC 212-1 

C• low-level code recoveries 

m Ma7 i955 

PL 86-36/50 USC 3605 sO 3.3(h)(2) h. procodu1·e signals recoveries 

i. cal.tsi~n placement rccoverie.s 

j. BIT resu1ts 

k. TECStJ!.ts prepa.reO. by I I and any other stations which may be desi6l).8.ted. _______ ..... _ 

2. Ther lts/rcsponslble i'or the authentication 

of' callsign iacnt1t1cat1ons ana: ad.'dii1qsses, including basic callsisns_, 

military unit numbers, and other bE);sic d.al;a.. I'.~ntifica.tions me.de byUSN-4o may be used with the qualif'ication "TEr~'ll:Z:VE" until .formal 

conf'irmation or denial has been I"Oceived from bhel _________ _. 

SJOOTIOl'l IV - / COMINT END PRODUCT 

The I Its responsible i'or providing recipients 

of' end-product prepared by- USN-llO vi bh necessary comment or emplif'ication on a current basis. In the event that interp·. r·· ::::::: :n:;n- clusions issued by USN-4o d.1.fi'er .from those o.r too _________ _ the two units ma.y exchange informal notes in order.._.,...__........,.v ______ _. 

difference. In cases where disaarocment still ;xisbs a.i'ter such exchanges, the views o.r the I Jwill prevail and tJSN .. lfo 

will issue corrections as necessary. 

BY COMMAND OF LIEUTENAl'lT GENERAL CANIHE: 

~e~ ALFRED R. MARCY 

Colone1, US Arrtry 

Deputy Director 

Production 

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