10th Engineer Battalion (United States)

The 10th Engineer Battalion is a unit of the United States Army that deploys to designated contingency areas and conducts combat and/or stability operations in support of a brigade combat team. It is a divisional mechanized combat engineer unit, composed of four line companies and a headquarters company. As of 17 January 2015, the battalion exists as the 10th Brigade Engineer Battalion (10th BEB) at Fort Stewart, GA under the 1st Armored Brigade Combat Team, 3rd Infantry Division. Organized 31 December 1861 in the Regular Army at Washington, D.C., from new and existing companies of engineers as a provisional engineer battalion (constituted 28 July 1866 as the Battalion of Engineers) Expanded 14 March – 7 June 1901 to form the 1st and 2nd Battalions of Engineers (2nd Battalion of Engineers—hereafter separate lineage) 1st Battalion of Engineers expanded, reorganized, and redesignated 1 July 1916 as the 1st Regiment of Engineers 1st Regiment of Engineers expanded 15 May 1917 to form the 1st, 6th, and the 7th Regiments of Engineers (1st and 7th Regiments—hereafter separate lineages) 6th Regiment of Engineers redesignated 29 August 1917 as the 6th Engineers Assigned 1 October 1917 to the 3rd Division Regiment broken up 12 October 1939 and its elements reorganized and redesignated as follows: 2nd Battalion as the 10th Engineer Battalion, an element of the 3rd Division (later redesignated as the 3rd Infantry Division); Headquarters and Headquarters and Service Company disbanded; and 1st Battalion as the 6th Engineer Battalion—hereafter separate lineage 10th Engineer Battalion redesignated 1 August 1942 as the 10th Engineer Combat Battalion Redesignated 1 March 1954 as the 10th Engineer Battalion Assigned 15 February 1996 to the 3rd Infantry Division Inactivated 15 March 2004 at Fort Stewart, Georgia, and relieved from assignment to the 3rd Infantry Division Assigned 17 January 2015 to the 1st Brigade Combat Team, 3rd Infantry Division, and activated at Fort Stewart, Georgia Civil War Peninsula Antietam Fredericksburg Wilderness Spotsylvania Cold Harbor Petersburg Appomattox Virginia 1863 World War I Somme Defensive Champagne-Marne Aisne-Marne St.