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Armed Forces Security Agency (AFSA), the Armed Forces Security Agency, U.S. - created on 20 May 1949, to coordinate the security of encryption operations ground forces, navy and air forces of the United States, directed and supervised by the Joint Chiefs of Staff JCS. Coordinate all activities in the field of communications intelligence COMINT and COMSEC security forces. Until January 1950, military service provided AFSA military and civilian personnel required to start its activities. In the radical extension of the scope and scale of activities in the field of COMINT and COMSEC, with the outbreak in June 1950 the Korean War, it appeared that the