Photo G3154: Members of B Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade dismantle their shed and prepare to move their operations to the 458th Transportation Company House Boat on the Dong Nai River Vietnam in December 1968. If you can identify any of these troops use this Email Link. Courtesy of SP/4 Kenneth J. Marraccini, B Company & HQ Detachment, 720th MP Battalion, 89th MP Group, 18th MP Brigade, Vietnam, October 1968-December 1969.