U.S. Air Force Senior Airman Omar Segusulaiman, 455th Expeditionary Aircraft Maintenance Squadron F-16 aircraft maintainer, unscrews parts from a jet during a routine phase inspection July 7, 2015, at Bagram Air Field, Afghanistan. The phase inspection team conducts inspections after every 400 hours of flight. The inspection lasts approximately five days from the time it is picked up from the flight line to the time it is returned. (U.S. Air Force photo by Senior Airman Cierra Presentado/Released)