Photo G2836: PFC Neidermeyer (left), and Mike ? of A Company 720th MP Battalion, 89th MP Group, in their barracks on Long Binh Post, Vietnam, 1969. If you can provide further identification use this Email Link. Courtesy of SP/4 Norm Bresinski, A Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade, 1969-1970.