U.S. Air Force Staff Sgt. Zackery Coder, 36th Aircraft Maintenance Unit crew chief assigned to Osan Air Base, South Korea, checks computer data during Red Flag-Alaska 14-2, June 19, 2014, Eielson Air Force Base, Alaska. Coder ensured the F-16 Fighting Falcon was ready for the next sortie. (U.S. Air Force photo by Senior Airman Peter Reft/Released)