ATSB Ben Keo, South Vietnam

ATSB Ben Keo was an Advanced Tactical Support Base operated by the United States Navy and South Vietnamese forces during the Vietnam War. Located near the Cambodian border along the Vam Co Tay River in Tay Ninh Province, it played a critical role in supporting riverine operations and interdicting enemy supply routes along the waterway. Established in the late 1960s, the base served as a logistics and patrol hub for the Mobile Riverine Force and other units conducting operations in the region. ATSB Ben Keo was frequently subjected to enemy mortar and rocket attacks until its closure and transfer to South Vietnamese control as part of the U.S. withdrawal process in the early 1970s.