Photo G2321: An unidentified MP, part of the security detail rests while an Army/Navy Tug Boat and crane barge working at the sunken barge site on the Dong Nai River to transfer the cargo of the ammunition barge sunk by a Viet Cong Ambush on 4 December 1967 to another barge. If you can identify this MP use this Email Link. Courtesy of PFC Steven C. Jones, 615th MP Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade, February 1967-March 1968.