Photo G3373: PFC John J. “Joe” Vandemark a member of the River Patrol Unit (PBR) of B Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade, sitting on his assigned PBR under the southern end of the Dong Nai River Bridge (Highway-316 & 1A) in Bien Hoa Provence, III Corps Tactical Zone, Vietnam in May 1969. Courtesy of SGT John J. “Joe” Vandemark, B Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade, 1968-1969.