91st Engineer Bn

The 91st Engineer Battalion was first constituted on 1 October 1933 in the Regular Army and activated on 10 February 1941 at Camp Shelby, Mississippi. During World War II, the unit served with distinction in the Pacific Theater, participating in campaigns in New Guinea, Leyte, and Luzon, where it provided critical combat engineering support. After inactivation following the war, the battalion was reactivated during the Cold War and later supported operations in Operation Desert Storm and Operation Iraqi Freedom. Over its history, the 91st Engineer Battalion has earned numerous campaign streamers and awards for its exemplary service in both combat and construction missions.