Photo G2042: SP/4 Robert D. Bell, HQ Detachment, 720th MP Battalion (left) with unidentified MP and Viet Cong prisoner on Long Binh Post, Vietnam in 1966. If you can identify the MP (right) use this Email Link. Courtesy of SP/4 Carl G. Brewer, HQ Detachment, 720th MP Battalion, 89th MP Group, 18th MP Brigade, October 1966 to October 1967.