U.S. Naval Advanced Tactical Support Base Thuyen Nhon (1969-71)
As part of Operation Giant slingshot anti-infiltration operations during the Vietnam War, the Navy established an Advanced Tactical Support Base at Thuyen Nhon on the Vam Co Tay River. River Patrol Boats units staged there while acting to cut the flow of communist men and supplies into South Vietnam from the near by “Parrot’s Beak” section of Cambodia.
During 1969 and 1970 Seabees, using materials brought in from Danang constructed an operation center, defensive bunkers, ammunition and fuel storage facilities, a helicopter pad, sleeping quarters, and a mess hall.
As part of the Vietnamization of the war, the Vietnamese Navy relieved U.S. Naval Forces at Thuyen Nhon in April 1971.