Photo G3470: SP/4 John W. Sprouse of B Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade, digging a bunker and filling sandbags in the company cantonment on Long Binh Post, Bien Hoa Province, III Corps Tactical Zone, Vietnam in late 1966. Courtesy of SP/4 Max Hendrick, Jr., 188th MP Company, 92nd MP Battalion, 89th MP Group, 18th MP Brigade, 1967.