Photo G3461: SGT J. Warren Wright, (S3 NCO) of the 212th MP Company (Sentry Dog), 720th MP Battalion, 89th MP Group, 18th MP Brigade gets dunked into the K9 Malathion dip tank as 1SG Daul H. Brown and others celebrate the passing of an IG Inspection at the company compound on Long Binh Post in Bien Hoa Province, Military Region III, Vietnam in 1970. If you can identify any of the other soldiers, please use this Email Link. Courtesy of SGT J. Warren Wright, 212th MP Company (Sentry Dog), 720th MP Battalion, 1969-1971.