U.S. Air Force Airman 1st Class Nathaniel Lott, 31st Maintenance Squadron phase technician, cleans and inspects panels removed during a phase inspection of an F-16 Fighting Falcon, June 15, 2015, at Aviano Air Base, Italy. Every panel is removed and inspected for damage. Phase inspections are conducted after an aircraft has flown 400 flying hours. (U.S. Air Force Airman 1st Class Cary Smith/Released)