A corps area was a geographically-based organizational structure 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 XVIII Airborne Corps is a corps of the United States Army that has been in existence since 1942 and saw extensive service during World War II. The corps is designed for rapid deployment anywhere in the world and is referred to as "America's Contingency Corps." Its headquarters are at Fort Liberty, North Carolina.
The VI Corps was activated as VI Army Corps in August 1918 at Neufchâteau, France, serving in the Lorraine Campaign. Constituted in the Organized Reserves in 1921, it was allotted to the Regular Army in 1933 and activated on 1 August 1940 at Fort Sheridan, Illinois. VI Corps took part in some of the most high-profile operations in World War II.
The 84th Training Command ("Railsplitters") is a formation of the United States Army. During World War I it was designated the 84th Division, American Expeditionary Forces; during World War II it was known as the 84th Infantry Division. From 1946 to 1952, the division was a part of the United States Army Reserve as the 84th Airborne Division. In 1959, the division was reorganized and redesignated once more as the 84th Division. The division was headquartered in Milwaukee in command of over 4,100 soldiers divided into eight brigades—including an ROTC brigade—spread throughout seven states.
The 8th Infantry Division, ("Pathfinder") was an infantry division of the United States Army during the 20th century. The division served in World War I, World War II, and Operation Desert Storm. Initially activated in January 1918, the unit did not see combat during World War I and returned to the United States. Some units would serve in the American Expeditionary Force to Siberia. Activated again on 1 July 1940 as part of the build-up of military forces prior to the United States' entry into World War II, the division saw extensive action in the European Theatre of Operations. Following World War II, the division was moved to West Germany, where it remained stationed at the Rose Barracks in Bad Kreuznach until it was inactivated on 17 January 1992.
The 103rd Infantry Division was a unit of the United States Army that served in the U.S. Seventh Army of the 6th Army Group during World War II.
The 79th Infantry Division was an infantry formation of the United States Army Reserve in World Wars I and II.
The 81st Readiness Division ("Wildcat") was a formation of the United States Army originally organized as the 81st Infantry Division during World War I. After World War I, the 81st Division was allotted to the Organized Reserve as a "skeletonized" cadre division. In 1942, the division was reactivated and reorganized as the 81st Infantry Division and served in the Pacific during World War II. After World War II, the 81st Infantry Division was allotted to the Organized Reserve as a Class C cadre division, and stationed at Atlanta, Georgia. The 81st Infantry Division saw no active service during the Cold War and was inactivated in 1965.
The 86th Infantry Division, also known as the Blackhawk Division, was a unit of the United States Army in World War I and World War II. Currently called the 86th Training Division, based at Fort McCoy, Wisconsin, members of the division now work with Active Army, Reserve, and National Guard units to provide them with a Decisive Action Training Environment on a yearly basis.
The 90th Infantry Division was a unit of the United States Army that served in World War I and World War II. Its lineage is carried on by the 90th Sustainment Brigade.
The 44th Infantry Division was a division of the United States Army National Guard from October 1920 to November 1945, when it was inactivated after Federal Service during World War II. A second 44th Infantry Division existed in the Illinois Army National Guard from 1946 until October 1954, when that division was disbanded after federal service during the Korean War.
The 27th Infantry Division was a unit of the Army National Guard in World War I and World War II. The division traces its history from the New York Division, formed originally in 1908. The 6th Division designation was changed to the 27th Division in July 1917.
Fourth United States Army was a field army of the United States Army between 1932 and 1991.
The U.S. VIII Corps was a corps of the United States Army that saw service during various times over a fifty-year period during the 20th century. The VIII Corps was organized 26–29 November 1918 in the Regular Army in France and demobilized on 20 April 1919 at Montigny-sur-Aube. The VIII Corps fought across Europe from Normandy to Czechoslovakia in World War II. After World War II, the corps was inactivated and reactivated several times, with the final inactivation occurring in 1968.
The 17th Infantry Regiment is a United States Army infantry regiment. An earlier regiment designated the 17th Infantry Regiment was organized on 11 January 1812, but it was consolidated with four other regiments as the 3rd Infantry in the post-war reorganization of the army following the War of 1812, due to the shattering losses it sustained at the River Raisin. The current 17th Infantry was constituted as the 17th Regiment of Infantry on 3 May 1861.
The XVI Corps was a corps-sized formation of the United States Army.
This is the order of battle of the German, Greek and British Commonwealth units on 5 April 1941, prior to the German invasion of Greece and Yugoslavia. The German invasion and conquest of mainland Greece is known as the "Battle of Greece".
The Seventh Corps Area was a Corps area, effectively a military district, of the United States Army active from 1920 to 1941. It initially was responsible for army forces in Kansas, Minnesota, Missouri, North Dakota, South Dakota, Iowa and Nebraska. Army responsibility for Arkansas was transferred from the Fourth Corps Area to the Seventh Corps Area on 1 December 1920. In October 1940, the War Department implemented a transfer of tactical command functions of the Corps areas, moving tactical forces to field armies and transforming the Corps areas to Service Commands, themselves part of Army Service Forces. The Seventh Corps Area maintained its name until May 1941, when it was officially designated HQ, Seventh Corps Area Service Command in May 1941. While the Seventh Corps Area no longer existed, the HQ, Seventh CASC – later re-designated HQ, Seventh Service Command – continued until January 1944.
The Fifth Corps Area was a military district of the United States Army from 1920-21 to the Second World War. The Fifth Corps Area included the states of Indiana, Ohio, West Virginia, and Kentucky. Eventually it became Fifth Service Command on 22 July 1942, and then Fifth Service Command was disestablished in 1946.
Sixth Corps Area was a Corps area, effectively a military district, of the United States Army from 1921 to the 1940s. The headquarters was established at Fort Sheridan, Illinois, in August 1920, from portions of the former Central Department, but then moved to the U.S. Post Office Building at 1819 West Pershing Road in Chicago on 10 October 1921.
