CMH Home
CMH 		
      Home
Lineage And Honors Information

Lineage and Honors Information as of 16 April 2014

21st ENGINEER BATTALION

  • 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 (1st Battalion of Engineers--hereafter separate lineage)
  • 2d Battalion of Engineers expanded, reorganized, and redesignated 1 July-1 August 1916 as the 2d Regiment of Engineers
  • 2d Regiment of Engineer expanded 21 May-20 June 1917 to form the 2d, 4th, and 5th Regiments of Engineers (2d and 4th Regiments of Engineers--hereafter separate lineages)
  • 5th Regiment of Engineers redesignated 29 August 1917 as the 5th Engineers
  • Assigned 6 December 1917 to the 7th Division
  • Inactivated 27 September 1921 at Camp A. A. Humphreys, Virginia
  • Relieved 11 January 1936 from assignment to the 7th Division and assigned to the 8th Division
  • Activated 1 February 1936 at Fort Belvoir, Virginia
  • Relieved 16 September 1939 from assignment to the 8th Division
  • Redesignated 1 August 1942 as the 5th Engineer Combat Regiment
  • Regiment broken up 27 December 1943 and its elements reorganized and redesignated as follows:
  • 1st Battalion as the 1277th Engineer Combat Battalion
  • (Headquarters and Headquarters and Service Company as Headquarters and Headquarters Company, 1128th Engineer Combat Group; 2d Battalion as the 1278th Engineer Combat Battalion--hereafter separate lineages)
  • 1277th Engineer Combat Battalion (less Company C) inactivated 11 February 1946 at Camp Kilmer, New Jersey (Company C inactivated 18 February 1946 at Camp Kilmer, New Jersey)
  • Redesignated 29 April 1947 as the 21st Engineer Combat Battalion
  • Activated 1 October 1948 at Camp Carson, Colorado
  • Redesignated 8 June 1953 as the 21st Engineer Battalion
  • Inactivated 20 December 1957 at Fort Carson, Colorado
  • Activated 24 June 1958 in Italy
  • Inactivated 25 June 1959 in Italy
  • Activated 1 May 1966 at West Point, New York
  • Inactivated 16 October 2007 at West Point, New York
  • Assigned 16 April 2014 to the 3d Brigade Combat Team, 101st Airborne Division, and activated at Fort Campbell, Kentucky

CAMPAIGN PARTICIPATION CREDIT

  • Civil War
  • Peninsula
  • Antietam
  • Fredericksburg
  • Chancellorsville
  • Wilderness
  • Spotsylvania
  • Cold Harbor
  • Petersburg
  • Appomattox
  • Virginia 1863
  • War with Spain
  • Santiago
  • Philippine Insurrection
  • Streamer without inscription
  • Mexican Expedition
  • Mexico 1916-1917
  • World War I
  • Lorraine 1918
  • World War II
  • Normandy
  • Northern France
  • Rhineland
  • Ardennes-Alsace
  • Central Europe

DECORATIONS

None

BY ORDER OF THE SECRETARY OF THE ARMY:

ROBERT J. DALESSANDRO
Director, Center of Military History


Return to Branch Index