Photo G3574: Members of the 212th MP Company (Sentry Dog), 720th MP Battalion, 89th MP Group, 18th MP Brigade, Vietnam. Left to right, SP/4’s Dave "Doc" Soehnlen (pronounced "sin-lin"), M. DuBois Miller, and an unidentified soldier who was new to the company, bidding farewell to SP/4 Miller on Long Binh Post in Bien Hoa Province, Military Region III, who was processing out for his return to the states for discharge in April 1970 . If you can identify the unnamed soldier use this Email Link. Courtesy of SP/4 M. DuBois Miller, 212th MP Company (Sentry Dog), 1969-1970.