A French Marine, 5th French Marine Regiment, stops and scans for threats as he and his squad, ascend a mountain during a night time combat movement segment of the Desert Survival Training Course in Djibouti, March 2, 2013. The 5th French Marine Regiment invited members of Combined Joint Task Force-Horn of Africa to participate in the Desert Combat Training Course to help strengthen the partnership between the military allies. (U.S. Air Force photo by Airman 1st Class Nicholas Byers/Released)