U.S. Marines work at night to lay concrete. U.S. Marines work at night to lay concrete as they reconstruct a damaged section of road during a route repair mission in the Tharthar region of Al Anbar, Iraq, on Aug. 16, 2007. The Marines are attached to the 8th Engineer Support Battalion. SHARE: Download: Full Size (0.02 MB) Credit: VIRIN: 275806-U-DRP28-759.jpg Photo Gallery