Photo G2754: The 615th MP Company, 720th MP Battalion Detachment compound in the Tan An base camp, IV Corps Tactical Zone, northern Mekong Delta Region in January 1968, Vietnam. The main observation defensive bunker is under construction. Courtesy of SP/4 Ted Emory of 615th MP Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade, Vietnam, December 1967-September 1968.