1 March 1943

Activated at Camp White, Oregon

6 April 1944 

Sailed from New York aboard the SS Exchequer arriving at Cardiff Wales on 16 April 1944

6 June 1944

0633 hrs D-Day Eight Assault Teams land at Omaha Beach (Easy Red, Fox Green and Fox Red)
"B" Company landed on Utah Beach

10-17 June 1944

La Valle, France

17 August 1944

St. Martin le Tallevend, France

14 September 1944

St.Trond, Belgium

6 February 1945

Lictensbusch, Germany (Ziegfried Line)

14 March 1945

Remagen Bridge

11June1945

Nurnberg, Germany

18 October 1945    

Inactivated at Camp Shanks, New York

3 December 1954 

Reactivated in Hoechst, Germany (Pioneer Kaserne)

July 1958

 Combined Task Force 201, Beirut, Lebanon

September 1958

Returned to Hoeschst, Germany

16 July 1963

The Battalion relocated to Ft Gordon, Georgia

22 October 1965

Deployed to Qui Nhon, Republic of Viet Nam

July 1966

Relocated to Plei Ku, Republic of Viet Nam

June 1967

Relocated to Dak To, Republic of Viet Nam

20 July 1969

Relocated to Camp Adams, Phu Tai, Republic of Viet Nam

June 1971

Relocated to Phan Rang AFB, Republic of Viet Nam
17 November 1971 Inactivated at Ft Lewis, Washington

21 December 1975

Reactivated at Fort Sill, Oklahoma as Part of 3 Corps, 214th Arty Brigade

   August 1991

Participated in Operation Desert Storm as part of 20th Engineer Brigade

April 1991

Redeployed to Fort Sill, Oklahoma

1992 / 93

Relocated to Ft Carson, Colorado and attached to 4th Infantry Division

1993 / 94 deactivated at Ft Carson, Colorado