Photo G3364: SP/4 Dave Hannum (Vet Tech) of the Vinh Long Army Airfield Detachment of the 212th MP Company (Sentry Dog), 720th MP Battalion, 89th MP Group, 18th MP Brigade in Vinh Long Provence, IV Corps Tactical Zone, Mekong Delta Region of South Vietnam in 1972. Courtesy of SP/4 David Hannum 212th MP Company (Sentry Dog), 720th MP Battalion, 1970-1972.