U.S. Marines build a bridge across the Helmand River near Sangin, Helmand province, Afghanistan, Sept. 20, 2010. The Marines are assigned to the 9th Engineer Support Battalion, 1st Marine Logistics Group, Forward. U.S. Marines build a bridge across the Helmand River near Sangin, Helmand province, Afghanistan, Sept. 20, 2010. The Marines are assigned to the 9th Engineer Support Battalion, 1st Marine Logistics Group, Forward. SHARE: Download: Full Size (9.66 MB) Tags: Photo Essays Credit: VIRIN: 329434-M-MFJ93-654.jpg Photo Gallery