Photo G2804: View from the roof top of the B Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade Vinh Long Headquarters building, Vietnam in 1971. If you can identify this MP 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.