Lineage and Honors Information as of 7 March 2016
Headquarters and Headquarters Company, 400th Military Police Battalion
- Constituted 19 November 1944 in the Army of the United States as the 400th Military Police Battalion
- Activated 20 November 1944 in France
- Inactivated 9 April 1946 at Camp Kilmer, New Jersey
- Allotted to the Organized Reserves and activated 1 May 1947 at Washington, D.C.
- (Organized Reserves redesignated 25 March 1948 as the Organized Reserve Corps; on
9 July 1952 as the Army Reserve)
- Inactivated 25 May 1959 at Washington, D.C.
- Headquarters and Headquarters Detachment activated 16 September 1989 at Fort George G. Meade, Maryland
- Ordered into active military service 15 November 1990 at Fort George G. Meade, Maryland; released from active military service 20 May 1991 and reverted to reserve status
- Ordered into active military service 25 October 2001 at Fort George G. Meade, Maryland; released from active military service 24 October 2002 and reverted to reserve status
- Ordered into active military service 24 February 2003 at Fort George G. Meade, Maryland; released from active military service 23 February 2004 and reverted to reserve status
- Ordered into active military service 8 November 2007 at Fort George G. Meade, Maryland; released from active military service 11 December 2008 and reverted to reserve status
Campaign Participation Credit
- World War II
- Rome-Arno
- Rhineland
- Southwest Asia
- Defense of Saudi Arabia
- Liberation and Defense of Kuwait
- War on Terrorism
- Iraq:
- Iraqi Surge
Decorations
By Order of the Secretary of the Army:
CHARLES R. BOWERY, JR.
Chief of Military History
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