
The Military Intelligence Branch was organized in newly established Executive Division of War Department General Staff (WDGS) by General Order 14, War Department, February 9, 1918, assuming functions formerly exercised by Military Intelligence Section of WDGS. The Executive Division was abolished, and Military Intelligence Branch redesignated Military Intelligence Division (MID), by General Order 80, War Department, August 26, 1918. The G-2 designator was assigned to MID in WDGS reorganization pursuant to General Order 41, War Department, August 16, 1921. The war map function, exercised by Geographic Section of MID Operations Branch was transferred to Office of the Chief of Engineers, 1939. The Military Intelligence Service (MIS) was established as MID operating arm, effective March 9, 1942, by Circular 59, War Department, March 2, 1942. The G-2 designator was deleted from MID name, effective June 11, 1946, by Circular 138, War Department, May 14, 1946. The Intelligence Division established by consolidation of MID and Military Intelligence Service, by WDGS Circular 5-2, War Department, April 19, 1947. It was redesignated Office of the Assistant Chief of Staff, G-2, Intelligence, effective March 1, 1950, by Circular 12, Department of the Army, February 28, 1950, confirmed by Special Regulation 10-5-1, Department of the Army, April 11, 1950. It was further redesignated Office of the Assistant Chief of Staff, Intelligence, by General Order 70, Department of the Army, December 27, 1955, and redesignated Office of the Assistant Chief of Staff for Intelligence by Change 3 to Army Regulation 10-5 (May 22, 1957), Department of the Army, July 10, 1958. Raised to deputy chief of staff level by Army Regulation 10-5, Department of the Army, May 5, 1961, and redesignated Office of the Deputy Chief of Staff for Intelligence, May 1, 1987.