U.S. Air Force Airmen, assigned to the 7th Munitions Squadron, begin building an inert-guided bomb unit during the 2015 Global Strike Challenge Aug. 17, 2015, at Dyess Air Force Base, Texas. The competition recognizes the “best of the best” in the world’s premier bomber force, maintenance and security forces units and also reflects normal operations when deployed to a forward operating location. (U.S. Air Force photo by Senior Airman Kedesha Pennant/Released)