Constituted 10 May 1946 in the Army of the United States as the 111th Counter Intelligence Corps Detachment
Activated 22 May 1946 at Atlanta, Georgia
Allotted 6 October 1950 to the Regular Army
Redesignated 1 December 1958 as the 111th Counter Intelligence Corps Group
Redesignated 25 July 1961 as the 111th Intelligence Corps Group
Redesignated 15 October 1966 as the 111th Military Intelligence Group
Inactivated 9 January 1973 at Fort McPherson, Georgia
Redesignated 13 March 1987 as Headquarters, 111th Military Intelligence Brigade; concurrently transferred to the United States Army Training and Doctrine Command and activated at Fort Huachuca, Arizona