Lineage and Honors Information as of 8 June 2021

20th Engineer Battalion

  • Constituted 7 December 1917 in the National Army as the 42d Engineer Battalion
    • Organized 7 February 1918 at Washington, D.C.
  • Battalion broken up 18 October 1918 and its elements reorganized and redesignated as follows:
  • Headquarters disbanded
  • Companies A, B, C, and D as the 42d, 43d, 44th, and 45th Companies, 20th Engineers, respectively
  • 42d, 43d, 44th, and 45th Companies, 20th Engineers, demobilized in June and July 1919 at Camp Merritt, New Jersey, and Newport News, Virginia
  • Reconstituted 1 October 1933 in the Regular Army as the 42d Engineers
  • Activated 1 June 1940 at Fort Benning, Georgia
  • Redesignated 1 August 1942 as the 20th Engineer Combat Regiment
  • Regiment broken up 15 January 1944 and its elements reorganized and redesignated as follows:
  • 1st Battalion as the 20th Engineer Combat Battalion
  • (Headquarters and Headquarters and Service Company as Headquarters and Headquarters Company, 1171st Engineer Combat Group; 2d Battalion as the 1340th Engineer Combat Battalion - hereafter separate lineages)
  • 20th Engineer Combat Battalion inactivated 30 March 1946 in Germany
  • Activated 18 September 1950 at Fort Bragg, North Carolina
  • Reorganized and redesignated 8 June 1953 as the 20th Engineer Battalion
  • Assigned 16 October 1992 to the 1st Cavalry Division
  • Relieved 16 October 2005 from assignment to the 1st Cavalry Division (Battalion lettered companies concurrently inactivated; Support Company constituted and activated)

Campaign Participation Credit

  • World War I
  • Streamer without inscription
  • World War II
  • Algeria-French Morocco
  • Tunisia
  • Sicily (with arrowhead)
  • Normandy (with arrowhead)
  • Northern France
  • Rhineland
  • Ardennes-Alsace
  • Central Europe
  • Vietnam
  • Counteroffensive
  • Counteroffensive, Phase II
  • Counteroffensive, Phase III
  • Tet Counteroffensive
  • Counteroffensive, Phase IV
  • Counteroffensive, Phase V
  • Counteroffensive, Phase VI
  • Tet 69/Counteroffensive
  • Summer-Fall 1969
  • Winter-Spring 1970
  • Sanctuary Counteroffensive
  • Counteroffensive, Phase VII
  • Consolidation I
  • Southwest Asia
  • Defense of Saudi Arabia
  • Liberation and Defense of Kuwait
  • War on Terrorism
  • Afghanistan:
  • Consolidation III
  • Iraq:
  • Transition of Iraq
  • Iraqi Governance
  • (Additional campaigns to be determined)

Decorations

  • Presidential Unit Citation (Army), Streamer embroidered NORMANDY
  • Valorous Unit Award, Streamer embroidered BAGHDAD
  • Valorous Unit Award, Streamer embroidered HELMAND AND KANDAHAR PROVINCES 2010-2011
  • Meritorious Unit Commendation (Army), Streamer embroidered VIETNAM 1966-1967
  • Meritorious Unit Commendation (Army), Streamer embroidered VIETNAM 1967-1968
  • Meritorious Unit Commendation (Army), Streamer embroidered VIETNAM 1968-1969
  • Meritorious Unit Commendation (Army), Streamer embroidered SOUTHWEST ASIA 1990-1991
  • Meritorious Unit Commendation (Army), Streamer embroidered IRAQ 2006-2007
  • Meritorious Unit Commendation (Army), Streamer embroidered AFGHANISTAN 2012-2013
  • Meritorious Unit Commendation (Army), Streamer embroidered AFGHANISTAN 2018
  • French Croix de Guerre with Silver-Gilt Star, World War II, Streamer embroidered VIERVILLE-COLLEVILLE
  • Republic of Vietnam Civil Action Honor Medal, First Class, Streamer embroidered VIETNAM 1970-1971

By Order of the Secretary of the Army:

CHARLES R. BOWERY, JR.
Chief of Military History

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