Photo G2892: Members of 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. Bottom row left to right, PFC Robert Litton, PFC Colazzi(?). Top Row left to right, Unidentified, nicknamed Chief, SP/4 Walter Heilgerman(?). If you can provide a name for "Chief" or verify the spellings, use this Email Link. Courtesy of PFC Robert Litton, 212th MP Company (Sentry Dog), 720th MP Battalion, 89th MP Group, 18th MP Brigade, Vietnam, 1971-1972.