River Division 571( RIVDIV-571)

River Division 571 (RIVDIV-571) was a component of the U.S. Navy’s Mobile Riverine Force during the Vietnam War. Established in the late 1960s, the unit operated Patrol Boat, River (PBR) craft to patrol and secure the waterways of the Mekong Delta, a region vital for both military operations and local commerce. RIVDIV-571 conducted interdiction missions, troop insertions and extractions, and provided fire support to ground forces, often facing intense enemy ambushes and challenging riverine conditions. The division played a crucial role in disrupting Viet Cong supply lines and contributing to the overall effectiveness of allied riverine operations in South Vietnam.