River Division 531 (RIVDIV 531)

• Part of Operation Game Warden: River Division 531 (RIVDIV 531) was a unit within Task Force 116, also known as Operation Game Warden, whose mission was to patrol and interdict Viet Cong movement along the Mekong Delta’s waterways during the Vietnam War. • PBRs as Main Craft: RIVDIV 531 operated Patrol Boat, River (PBR) vessels—fast, lightly armored boats equipped with machine guns and grenade launchers, ideal for the narrow, shallow rivers of Vietnam. • Base of Operations: The division was primarily based at Cần Thơ, one of the most strategically important locations in the Mekong Delta. • Activation and Arrival: RIVDIV 531 was officially established and began its operations in 1967, rapidly becoming engaged in combat patrols. • Engagements with the Viet Cong: The division was frequently engaged in firefights with Viet Cong forces, often coming under ambush from concealed positions along riverbanks. • Notable Rescue Missions: Crews of RIVDIV 531 were involved in numerous rescue operations, saving downed pilots and wounded soldiers from isolated or dangerous riverine locations. • Support for SEAL Operations: The unit often worked closely with Navy SEAL teams, providing insertion, extraction, and fire support for covert missions in the Delta. • Decorations and Awards: Members of RIVDIV 531 received several commendations, including Presidential Unit Citations and individual awards for bravery under fire. • Innovative Tactics: The division developed and employed new riverine warfare tactics, including night patrols, coordinated sweeps, and the use of starlight scopes for low-light combat. • Legacy and Remembrance: Veterans of RIVDIV 531 have held reunions and contributed to preserving the history of riverine operations in Vietnam, with stories and artifacts displayed in naval museums.