6/26/2012 - Senior Airman Steven Losada, 31st Maintenance Squadron crew chief, installs a panel during a phase inspection on a 510th Fighter Squadron F-16 June 21 at Aviano Air Base. Phase inspections are completed every 400 flying hours to ensure jets are mission-ready. (U.S. Air Force photo/Senior Airman Katherine Windish)

6/26/2012 - Airman 1st Class Daniel Walling, 31st Maintenance Squadron crew chief, installs panels on a 510th Fighter Squadron F-16 June 21 at Aviano Air Base. During a phase inspection, team members check all aircraft components, including landing and cockpit gear, as well as electrical, avionics and weapons systems. (U.S. Air Force photo/Senior Airman Katherine Windish)

6/26/2012 - Senior Airman Steven Losada, 31st Maintenance Squadron crew chief, prepares to tow an F-16 Fighting Falcon June 21 at Aviano Air Base. During a phase inspection, Airmen from several different career fields work together to ensure the jets stay mission-ready. (U.S. Air Force photo/Senior Airman Katherine Windish)

6/26/2012 - Senior Airman Christian Rodriguez Tanon, 31st Maintenance crew chief, secures engine parts after a post-inspection engine check June 21 at Aviano Air Base. Phase inspections require crew members to disassemble and reassemble all aircraft components to ensure they are running properly. (U.S. Air Force photo/Senior Airman Katherine Windish)