Photo G3506 Veterinary Technician SP/4 Eric G. “Doc” Osen in the K9 Dispensary at the Soc Trang Detachment, 212th MP Company (Sentry Dog), 720th MP Battalion, 89th MP Group, 18th MP Brigade, Mekong Delta, Ba Xuyen Province, IV Corps Tactical Zone, Vietnam in 1969. Courtesy of the family of SP/4 Eric G. Osen, 212th MP Company (Sentry Dog), 720th MP Battalion, 89th MP Group, 18th MP Brigade, Long Binh Post & Soc Trang, Vietnam, 1969-1970.