Third Corps Area
military unit
Third Corps Area was a Corps Area of the United States Army, active from 20 August 1920–7 December 1941. It was established with its headquarters at Fort Howard, Maryland and organized from elements of the deactivated Eastern Department. The headquarters moved to Baltimore on 12 May 1922. It covered the states of Pennsylvania, Maryland, Virginia, and the District of Columbia. At is height, the Third Corps Area had 60,548 soldiers in 1943.
The District of Columbia would become its own separate command, the Military District of Washington in September 1921. In 1927, the District of Washington would again be a part of the Third Corps Area.
Third Corps Area was responsible for the mobilization, administration, and training of units of the III Corps (8th Division, 28th Division, and 29th Division) and XIII Corps (79th Division, 80th Division, 99th Division), coast defense units of the Third Coast Artillery District, 2nd Bombardment Wing and select units of the GHQR. The Third Corps Area Training Center was established in 1921, originally at Camp George G. Meade, Maryland, to train regular army and organized reserve units, as well as ROTC cadets and CMTC candidates.
Third Corps Area was responsible for the ROTC program at: Georgetown University, Howard University, St. John's College, Johns Hopkins University, University of Maryland, Mount St.
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