Photo G1990: SP/4 Donnie Ross, A Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade, and two Canh Sats (Vietnamese National Police) at checkpoint #12 on Highway 316 at Tam Hiep, Bien Hoa Provence, III Corps Tactical Zone, Vietnam in 1968. If you can identify the Canh Sat's use this Email Link. Courtesy of SP/4 Donnie A. Ross, A Company, 720th MP Battalion, 89thy MP Group, 18th MP Brigade, September 1967 to September 1968.