Lineage and Honors Information as of 26 August 2015
100th Battalion, 442d Infantry Regiment
- Constituted 4 June 1942 in the Army of the United States as the 100th Infantry Battalion (Separate)
- Activated 12 June 1942 at Oakland, California, with personnel from the Hawaiian Provisional Infantry Battalion
- Reorganized and redesignated 25 November 1943 as the 100th Infantry Battalion, Separate
- Reorganized and redesignated 10 August 1944 as the 100th Battalion, 442d Infantry
- Inactivated 15 August 1946 at Honolulu, Hawaii
- Allotted 27 March 1947 to the Organized Reserves
- Activated 31 July 1947 with Headquarters at Fort DeRussy, Hawaii
- (Organized Reserves redesignated 25 March 1948 as the Organized Reserve Corps; redesignated 9 July 1952 as the Army Reserve)
- Reorganized and redesignated 29 May 1959 as the 100th Battle Group, 442d Infantry
- Reorganized and redesignated 1 May 1964 as the 100th Battalion, 442d Infantry
- Ordered into active military service 13 May 1968 at Fort DeRussy, Hawaii; released from active military service 12 December 1969 and reverted to reserve status
- (Location of Headquarters changed 1 September 1994 to Fort Shafter, Hawaii)
- Ordered into active military service 16 August 2004 at Fort Shafter, Hawaii
- Redesignated 1 October 2005 as the 100th Battalion, 442d Infantry Regiment
- Released from active military service 13 March 2006 and reverted to reserve status
- Ordered into active military service 19 August 2008 at Fort Shafter, Hawaii; released from active military service 22 September 2009 and reverted to reserve status
Campaign Participation Credit
- World War II
- Naples-Foggia
- Anzio
- Rome-Arno
- North Apennines
- Rhineland
- Po Valley
- War on Terrorism
- Iraq:
- Iraqi Governance
- National Resolution
- (Additional campaigns to be determined)
Decorations
- Presidential Unit Citation (Army), Streamer embroidered BELVEDERE
- Presidential Unit Citation (Army), Streamer embroidered BIFFONTAINE AND FORET DOMANIALE DE CHAMP
- Presidential Unit Citation (Army), Streamer embroidered BIFFONTAINE
- Presidential Unit Citation (Army), Streamer embroidered FRANCE AND ITALY
- Presidential Unit Citation (Army), Streamer embroidered GOTHIC LINE
- Meritorious Unit Commendation (Army), Streamer embroidered IRAQ 2005-2006
By Order of the Secretary of the Army:
RICHARD W. STEWART
Chief of Military History