Organized 16 January 1918 in the National Army at Fort Myer, Virginia, as the 2d Battalion, 37th Engineer Regiment

Demobilized in March 1919 at Camp Upton, New York

Reconstituted 1 October 1933 in the Regular Army as the 2d Battalion, 37th Engineers

Activated 14 July 1941 at Camp Bowie, Texas

Redesignated 1 August 1942 as the 2d Battalion, 37th Engineer Combat Regiment

Reorganized and redesignated 15 March 1943 as the 209th Engineer Combat Battalion

Inactivated 27 November 1945 at Camp Kilmer, New Jersey

Redesignated 29 April 1947 as the 27th Engineer Combat Battalion

Activated 18 September 1950 at Fort Lewis, Washington

Inactivated 26 October 1950 at Fort Lewis, Washington

Activated 1 March 1951 at Fort Campbell, Kentucky

Redesignated 8 June 1953 as the 27th Engineer Battalion

27th Engineer Battalion Honors

Campaign Participation Credit

World War I: St. Mihiel; Meuse-Argonne

World War II: India-Burma; Central Burma

Vietnam: 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; Consolidation II

Southwest Asia: Defense of Saudi Arabia; Liberation and Defense of Kuwait

Decorations

Presidential Unit Citation (Army) for MYITKYINA

Meritorious Unit Commendation (Army) for VIETNAM 1966-1967

Meritorious Unit Commendation (Army) for VIETNAM 1967-1968

Meritorious Unit Commendation (Army) for VIETNAM 1968-1969

Meritorious Unit Commendation (Army) for VIETNAM 1969

Meritorious Unit Commendation (Army) for VIETNAM 1970-1971

Meritorious Unit Commendation (Army) for SOUTHWEST ASIA

Army Superior Unit Award for 1990

Republic of Vietnam Civil Action Honor Medal, First Class for VIETNAM 1967-1968

Republic of Vietnam Civil Action Honor Medal, First Class for VIETNAM 1970