oe eee ; SIGNAL SECU 2 Di: vi r i Ties S oa INTELLIGENCE ; - (Effective 17 February 1972 Siga: uls Intell: sence (SICINT T }), (COMINT) and Electronics [- ing thereto ere naticaal responsi: as ty explsit to the masini ae ay the intelligence necds of the National asencics of the Coverm:nent, use of technical resources. Therefore SIGINT activities shall be conde . 1. Defin For the purpose of this directive, re “COMINT™ snout rtrons bu derived from fos esa communications COMINT activin: co: COMINT by the c radio, wire or othe end by the processin -Collection comprises sez: ch. _ Brises range estimation, nalysis, cryptanalysis, and the reporting cf results. 8 beet wn insted as eek eS oe ral © bas a si Hel Q om) ce o is] od i miue ex/oz peratsr iden ’ wach comonses . Security bbs resources of hy Council and to provide for efficiency and cconomy in the Comeatrnications Intelligence 2 (ELINT), and the activities pertain- 23 and must he so .orcanized and managed + Gove rnmteat, to satisfy and the departments and , Pursuant to the National Security Act of 19-47, as amended, the Naticnal Secu nity Council authorizes and directs that pres “Cammunications Intelligence™ er 22a technical and intelligence information 7 . tne - other than COMINT and COMINT activities as defi intercept and pracessing ta nes eneqased witte propaganda broadcasts, oz (b). orshio. Pie; si2iCa reception, study of plain teat, th 1 to mean those activities that 1 precessiac of foreign communication iS is passer 7 erided hercin. in ateaded recipients. produce fs vine if. Processing com- Hon, signal aaalysis, traffic 2 fusio: rof these processss, ined hereia shall not include (uj) any wiittes communicatizus, press and ELINT act: ities are acfined as the collection (observation and recordins). rposes, of information derived and the processing for su: ubseauest iz from forciga, nun-cemn NicHigence DUE ations, ciectron acnet: ¢ ridiztions emanating from otlicr than atomie dctenation or redloactive sources. ELINT is the technics! and intclligcuce information product of ELINT activities. 2 The Dircctor of Centre! Intellise: ce Consistent with his responsibilitics 2s set forth in NSCID Nos. 1, 2 and 3, —the Director of Central Intelligence REMAINDER OF DOCU SE all: AENT EXE} . ae ee a ew {PT FROM DISCLOSURE. a wet pe oe
(Page 1) NATIONAL SECURITY COUNCIL INTELLIGENCE DIRECTIVE NO. 6 SIGNALS INTELLIGENCE (Effective 17 February 1972) Signals Intelligence (SIGINT), which comprises Communications Intelligence (COMINT) and Electronics Inteiligence (ELINT), and the activities pertaining thereto are national priorities and must be so organized and managed as to exploit to the maximum the available resources of the Government, to satisfy the intelligence needs of the National Security Council and the departments and agencies of the Government, and to provide for efficiency and economy in the use of technical resources. Therefore, pursuant to the National Security Act of 1947, as amended, the National Security Council authorizes and directs that SIGINT activities shall be conducted as prescribed herein. 1. Definitions For the purpase of this directive, the terms "Communications Intelligence" or "COMINT" shall be construed to mean technical and intelligence information derived from foreign communications by other than the intended recipients. COMINT activities shall be construed to mean those activities that produce COMINT by the collection and processing of foreign communications passed by radio, wire or other electromagnetic means, with specific exceptions stated below, and by the processing of foreign encrypted communications, however transmitted. Collection comprises search, intercept and direction finding. Processing comprises range estimation, transmitter/operator identification, signal analysis, traffic analysis, cryptanalysis, decryption, study of plain text, the fusion of these processes, and the reporting of results. COMINT and COMINT activities as defined herein shall not include (a) any intercept and processing of unencrypted written communications, press and propaganda broadcasts, or (b) censorship. ELINT activities are defined as the collection (observation and recording), and the processing for subsequent intelligence purposes, of information derived from foreign, non-communications, electromagnetic radiations emanating from other than atomic detonation or radioactive sources. ELINT is the technical and intelligence information product of ELINT activities. 2. The Director of Central Intelligence Consistent with his responsibilities as set forth in NSCID Nos. 1, 2, and 3, the Director of Central Intelligence shall: