31st Engineer Battalion (United States) - Lineage

Lineage

Constituted 1 July 1940 in the Regular Army as the 31st Engineer Company and activated at Fort Belvoir, Virginia

• Reorganized and redesignated 15 December 1941 as the 31st Engineer Battalion
• Reorganized and redesignated 29 April 1942 as the 31st Engineers
• Redesignated 1 August 1942 as the 31st Engineer Combat Regiment

Regiment broken up 22 March 1943 and its elements reorganized and redesignated as follows-

• 1st Battalion as the 31st Engineer Combat Battalion

• (Headquarters and Headquarters and Service Company as Headquarters and Headquarters Company, 1114th Engineer Combat Group;
• 2d Battalion as the 241st Engineer Combat Battalion—hereafter separate lineages)

31st Engineer Combat Battalion inactivated 9 March 1946 at Camp Kilmer, New Jersey

• Activated 10 March 1951 at Camp McCoy, Wisconsin
• Reorganized and redesignated 8 June 1953 as the 31st Engineer Battalion
• Inactivated 15 December 1956 at Fort Carson, Colorado
• Activated 17 June 1963 at Fort Chaffee, Arkansas
• Inactivated 12 March 1972 at Fort Lewis, Washington

Headquarters transferred 30 September 1986 to the United States Army Training and Doctrine Command and activated at Fort Leonard Wood, Missouri

• Inactivated 2 October 1993 at Fort Leonard Wood, Missouri
• Activated 1 October 2001 at Fort Leonard Wood, Missouri
• Inactivated 1 October 2002 at Fort Leonard Wood, Missouri
• Activated 1 October 2005 at Fort Leonard Wood, Missouri