Photo G2742: Unidentified members of B Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade on Long Binh Post, Vietnam in 1972. If you can identify these soldiers use this Email Link. Courtesy of SP/4 Marion Carl "Pete" Foster, B Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade, August 1971-April 1972.