Photo G2479: SP/4 James W. Grubbs of B Company, 720th MP Battalion, mans the 50 caliber Machine Gun on a Patrol Boat River (PBR) on the Buong River along the southeastern border of the Battalion Tactical Area Of Responsibility in Vietnam sometime in 1968. Courtesy of SP/4 Frederick W. “Rick” Kreidler, B Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade, Long Binh Post, Vietnam, October 1967-January 1969.