Lineage and Honors Information as of 25 April 2015
6th Engineer Battalion
(OAK)
- 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 2d Battalions of Engineers (2d Battalion of Engineers--hereafter separate lineage)
- 1st Battalion of Engineers expanded, reorganized, and redesignated 1 July 1916 as the 1st Engineer Regiment
- 1st Regiment of Engineers expanded 15 May 1917 to form the 1st, 6th, and 7th Regiments of Engineers (1st and 7th Regiments of Engineers--hereafter separate lineages)
- 6th Regiment of Engineers redesignated 29 August 1917 as the 6th Engineers
- Assigned 1 October 1917 to the 3d Division
- Regiment broken up 12 October 1939 and its elements reorganized and redesignated as follows:
- 1st Battalion as the 6th Engineer Battalion, an element of the 6th Division (later redesignated as the 6th Infantry Division)
- (Headquarters and Headquarters and Service Company disbanded; 2d Battalion as the 10th Engineer Battalion--hereafter separate lineage)
- 6th Engineer Battalion reorganized and redesignated 9 April 1942 as the 6th Engineer Motorized Battalion
- Reorganized and redesignated 1 May 1943 as the 6th Engineer Combat Battalion
- Inactivated 10 January 1949 in Korea
- Activated 4 October 1950 at Fort Ord, California
- Inactivated 3 April 1956 at Fort Ord, California
- Redesignated 15 May 1958 as the 6th Engineer Battalion and relieved from assignment to the 6th Infantry Division; concurrently activated at West Point, New York
- Inactivated 1 May 1966 at West Point, New York
- Headquarters and Headquarters Company, 6th Engineer Battalion, redesignated 15 June 1967 as the 6th Engineer Company, assigned to the 11th Infantry Brigade, and activated at Schofield Barracks, Hawaii
- Inactivated 15 January 1968 in Vietnam, and relieved from assignment to the 11th Infantry Brigade
- Redesignated 17 August 1988 as Headquarters and Headquarters Company, 6th Engineer Battalion, assigned to the 6th Infantry Division, and activated at Fort Wainwright, Alaska (organic elements concurrently activated)
- Inactivated 15 June 1994 at Fort Wainwright, Alaska, and relieved from assignment to the 6th Infantry Division
- Headquarters and Headquarters Company activated 16 October 2008 at Fort Richardson, Alaska (Support Company concurrently constituted and activated)
- Assigned 16 October 2014 to the 4th Brigade Combat Team, 25th Infantry Division (Support Company concurrently inactivated and lettered companies activated)
Campaign Participation Credit
- Civil War
- Peninsula
- Antietam
- Fredericksburg
- Chancellorsville
- Wilderness
- Spotsylvania
- Cold Harbor
- Petersburg
- Appomattox
- Virginia 1863
- Philippine Insurrection
- Streamer without inscription
- World War I
- Somme Defensive
- Champagne-Marne
- Aisne-Marne
- St. Mihiel
- Meuse-Argonne
- Champagne 1918
- World War II
- New Guinea (with arrowhead)
- Luzon (with arrowhead)
- Vietnam
- Counteroffensive, Phase III
Decorations
- French Croix de Guerre with Palm, World War I, Streamer embroidered CHAMPAGNE-MARNE AISNE-MARNE
- Philippine Presidential Unit Citation, Streamer embroidered 17 OCTOBER 1944 TO 4 JULY 1945
By Order of the Secretary of the Army:
RICHARD W. STEWART, Ph.D.
Chief of Military History
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