315th Engineer Battalion consists of the following units:
Headquarters & Headquarters Company
- Miramar USARTC, CA
- (719) 516-5012
Forward Support Company
- Miramar USARTC, CA
- (719) 317-4535
305th Engineer Company (Route Clearance)
- Miramar USARTC
- (719) 317-7400
350th Engineer Company (Mobility Augmentation)
- Bell, CA
- (719) 317-7510
387th Engineer Company - H
orizontal Construction
- Glendale, AZ
- (719) 516-5256
394th Engineer Company - Vertical Construction
- Bell, CA
- (719) 317-7518
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Lineage and Honors as of 9 October 2015
315th Engineer Battalion Lineage:
-Constituted 5 August 1917 in the National Army as the 315th Engineers, an element of the 90th Division
-Organized in August 1917 at Camp Travis, Texas
-Demobilized 26 June 1919 at Camp Dodge, Iowa
-Reconstituted 24 June 1921 in the Organized Reserves as the 315th Engineers, an element of the 90th Division
-Organized in November1921 at San Antonio, Texas
-Regiment (less 2nd Battalion) reorganized and redesignated 30 January 1942 as the 315th Engineer Battalion, an element of the 90th Division (later redesignated the 90th Infantry Division) (2nd Battalion concurrently reorganized and redesignated as the 868th Engineer Battalion—hereafter separate lineage)
-Ordered into active military service 25 March 1942 at Camp Barkley, Texas
-Reorganized and redesignated 15 September 1942 as the 315th Engineer Motorized Battalion
-Reorganized and redesignated 19 May 1943 as the Engineer Combat Battalion
-Inactivated 22 December 1945 at Camp Patrick Henry, Virginia
-Activated 28 April 1947 at San Antonio, Texas (Organized Reservesre designated 25 March 1948 as the Organized Reserves Corps; redesignated 9 July 1952as the Army Reserve)
- Reorganized and redesignated 6 April 1953 as the 315th Engineer Battalion (Location of Headquarters changed 1 April 1959 to Houston, Texas)
-Inactivated 31 December 1965 at Houston, Texas, and relieved from assignment to the 90th Infantry Division
-Headquarters and Headquarters Company activated 16 October 2009 at Camp Pendleton, California (Support Company to be concurrently constituted and activated)
-Ordered into active military service 3 April 2014 at Camp Pendleton, California; released from active military service 6 May 2015 and reverted to reserve status
315th Engineer Battalion Honors- Campaign Participation Credit
World War I: St, Mihiel: Meuse-Argonne; Lorraine 1918
World War II: Normandy (with arrowhead); Northern France; Rhineland; Ardennes-Alsace; Central Europe
War on Terrorism: Kandahar, Afghanistan; Transition I, 2014
Decorations
Meritorious Unit Commendation (Army) for EUROPEAN THEATER JUNE 1944- AUG 1944
Meritorious Unit Commendation (Army) for EUROPEAN THEATER AUG 1944- FEB 1945
Meritorious Unit Commendation (Army) for EUROPEAN THEATER FEB 1945- AUG 1945
French Croix de Guerre with Palm, World War II for MOSELLE- SARRE RIVERS