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A corps area was a geographically-based organizational structure (military district) of the United States Army used to accomplish administrative, training, and tactical tasks from 1920 to 1942. Each corps area included divisions of the Regular Army, Organized Reserve, and National Guard of the United States. Developed as a result of serious mobilization problems during World War I, this organization provided a framework to rapidly expand the Army in times of war or national emergency, such as the Great Depression.
The nine corps areas, created by the War Plans Division under authority of United States War Department General Order No. 50 on 20 August 1920, had identical responsibilities for providing peacetime administrative and logistical support to the army's mobile units as was provided by the six territorial "Departments" they replaced. In addition, the corps areas took on the responsibilities for post and installation support units ("Zone of the Interior" units) created during World War I. Corps areas had the added responsibility for planning and implementing mobilization plans for all Regular Army, National Guard, and Organized Reserve mobile units in their respective geographic areas; the development and administration of hundreds of new Organized Reserve and Reserve Officers Training Corps (ROTC) units; and managing the personnel records for thousands of Reserve officers, enlisted personnel, ROTC cadets, and Citizens Military Training Camp (CMTC) candidates.
To create the corps areas, the United States was divided geographically by state lines, making nine multi-state areas that were all roughly equal in population. Each corps area was responsible for organizing two tactical corps, consisting of three infantry divisions each. Each corps area also had responsibility for organizing various other field army, General Headquarters Reserve, Zone of the Interior (later designated as Corps Area Service Command), and Communications Zone units. The First, Second, Third, Fourth, Eighth, and Ninth Corps Areas also organized units to man various fixed coastal defenses. The corps areas were further grouped into three army areas of two field armies each.
A corpsarea was a geographically-based organizational structure (military district) of the United States Army used to accomplish administrative, training...
Sixth CorpsArea was a Corpsarea, effectively a military district, of the United States Army from 1921 to the 1940s. The headquarters was established...
The Seventh CorpsArea was a Corpsarea, effectively a military district, of the United States Army active from 1920 to 1941. It initially was responsible...
Corps (/kɔːr/; plural corps /kɔːrz/; from French corps, from the Latin corpus "body") is a term used for several different kinds of organization. A military...
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The United States Army Air Corps (USAAC) was the aerial warfare service component of the United States Army between 1926 and 1941. After World War I,...
The First CorpsArea was a Corpsarea (effectively a military district) of the United States Army. It replaced the Northeastern Department, and was headquartered...
Organized Reserve on 24 June 1921, allotted to the Second CorpsArea, and assigned to the XII Corps. The division was further allotted to the southeastern...
eight of the nine CorpsArea Commanders took the remarkable step of disobeying this order". According to the official history of the Corps, this information...
Fort Lee, Virginia, the Philippine Division, the Seventh CorpsArea, and the Fifth CorpsArea. Bundy retired in 1925, and was a resident of Washington...
XXXXVI Panzer Corps (46th) was a tank corps of the German Army during World War II that participated in the invasion of Yugoslavia. The Corps was created...
Special Studies, Chronology 1941-1945 [1] "In U.S. Seventh Army's XV Corpsarea, 7th Inf of 3d Div, crossing into Austria, advances through Salzburg to...
reconstituted in the Organized Reserve, allotted to the Sixth CorpsArea, and assigned to the XVI Corps, and further allotted to the state of Wisconsin. The division...
of Honolulu. Marine Corps Base Hawaii occupies the entire Mokapu Peninsula, an area of 2,951 acres (1,194 ha; 11.94 km2). Two areas of the base are classified...
Landwehr in the corpsarea. By 1914, there were 21 corpsareas under Prussian jurisdiction and three Bavarian army corps. Besides the regional corps, there was...
Marine Corps Base Camp Pendleton is the major West Coast base of the United States Marine Corps and is one of the largest Marine Corps bases in the United...
allotted to the Fourth CorpsArea, assigned to the XIV Corps, and further allotted to Florida, Georgia, and South Carolina as its home area. The division headquarters...
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