Lineage and Honors Information as of 1 May 2019
15th Engineer Battalion
- Constituted 1 July 1916 in the Enlisted Reserve Corps as an Engineer regiment
- Organized 5 May 1917 at Pittsburgh, Pennsylvania, as the 5th Reserve Engineers
- Ordered into active military service 21 May-6 June 1917 at Oakmont, Pennsylvania
- Redesignated 9 June 1917 as the 5th Regiment of Engineers
- Redesignated 8 August 1917 as the 15th Engineers and allotted to the National Army
- Demobilized 15 May 1919 at Camp Sherman, Ohio
- Reconstituted 25 August 1921 in the Regular Army as the 15th Engineers
- Assigned 24 March 1923 to the 9th Division (later redesignated as the 9th Infantry Division)
- Redesignated 1 July 1940 as the 15th Engineer Battalion
- Activated 1 August 1940 at Fort Bragg, North Carolina
- Reorganized and redesignated 1 August 1942 as the 15th Engineer Combat Battalion
- Inactivated 30 November 1946 in Germany
- Activated 12 July 1948 at Fort Dix, New Jersey
- Reorganized and redesignated 25 May 1954 as the 15th Engineer Battalion
- Inactivated 31 January 1962 at Fort Carson, Colorado
- Activated 1 February 1966 at Fort Riley, Kansas
- Inactivated 25 September 1969 in Hawaii
- Activated 21 June 1972 at Fort Lewis, Washington
- Inactivated 15 April 1991 at Fort Lewis, Washington, and relieved from assignment to the 9th Infantry Division
- Headquarters and Headquarters Company activated 16 July 2008 in Germany (Support Company concurrently constituted and activated)
Campaign Participation Credit
- World War I
- St. Mihiel
- Meuse-Argonne
- World War II
- Algeria-French Morocco
- Tunisia
- Sicily
- Normandy
- Northern France
- Rhineland
- Ardennes-Alsace
- Central Europe
- Vietnam
- Counteroffensive, Phase II
- Counteroffensive, Phase III
- Tet Counteroffensive
- Counteroffensive, Phase IV
- Counteroffensive, Phase V
- Counteroffensive, Phase VI
- Tet 69/Counteroffensive
- Summer-Fall 1969
- War on Terrorism
- Global War on Terrorism
Decorations
- Presidential Unit Citation (Army), Streamer embroidered SIEGFRIED LINE
- Meritorious Unit Commendation (Army), Streamer embroidered CENTRAL AND SOUTHWEST ASIA 2010-2011
- Army Superior Unit Award, Streamer embroidered 2016-2017
- Belgian Fourragere 1940
- Cited in the Order of the Day of the Belgian Army for action at the Meuse River
- Cited in the Order of the Day of the Belgian Army for action in the Ardennes
- Republic of Vietnam Cross of Gallantry with Palm, Streamer embroidered VIETNAM 1966-1968
- Republic of Vietnam Cross of Gallantry with Palm, Streamer embroidered VIETNAM 1969
- Republic of Vietnam Civil Action Honor Medal, First Class, Streamer embroidered VIETNAM 1966-1969
By Order of the Secretary of the Army:
CHARLES R. BOWERY, JR.
Chief of Military History