Photo G2891: Guard Mount on the basketball court at the 212th MP Company (Sentry Dog), 720th MP Battalion, 89th MP Group, 18th MP Brigade, at the company compound on Long Binh Post, Bien Hoa Province, Military Region III, Vietnam in 1971.  Courtesy of PFC Robert Litton, 212th MP Company (Sentry Dog), 720th MP Battalion, 89th MP Group, 18th MP Brigade, Vietnam, 1971-1972.