Photo G2274: Trucks from the Tay Ninh-Cu Chi convoy escorted by elements of C Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade cross a bridge near Chu Chi in Binh Duong Province, Military Region III, Vietnam in June 1971. Take note of the warning sign. If you can identify this bridge or the river it crosses, use this Email Link. Courtesy of SP/4 Charles D. Spruell, C Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade, March 1971 to January 1972.