Camp Schwab
The 3d Combat Engineer Battalion deployed to the Republic of Vietnam landed at Chu Lai in July 1965 and later moved to Da Nang remaining in country until October 1969. During this time the battalion operated from Da Nang, Đông Hà, Gia Le, Quang Tri, Cửa Việt, Camp Carroll, Cam Lộ, and the Vandegrift Combat Base. After Vietnam the battalion was moved to Camp Schwab, Okinawa, only to be relocated in November 1970 to Camp Hansen, Okinawa. On 15 May 1976 the battalion was redesignated as the 3d Combat Engineer Battalion.