U.S. Air Force crew chiefs from the 31st Aircraft Maintenance Squadron work together while lubing a pivot point underneath an F-16 Fighting Falcon after washing the aircraft, March 17, 2015, at Aviano Air Base, Italy. Washing an aircraft takes approximately 4 to 6 hours for a minimum of three crew chiefs. (U.S. Air Force photo by Senior Airman Matthew Lotz/Released)

U.S. Air Force crew chiefs from the 31st Aircraft Maintenance Squadron inspect landing gear on an F-16 Fighting Falcon after washing the aircraft, March 17, 2015, at Aviano Air Base, Italy. Crew chiefs are responsible for washing Aviano’s F-16s to help protect the aircraft from corrosion. (U.S. Air Force photo by Senior Airman Matthew Lotz/Released)

U.S. Air Force Staff Sgt. Michael John Maxwell, 31st Aircraft Maintenance Squadron dedicated crew chief, inspects an F-16 Fighting Falcon after washing the aircraft, March 17, 2015, at Aviano Air Base, Italy. Crew chiefs are responsible for washing Aviano’s F-16s to help protect the aircraft from corrosion. (U.S. Air Force photo by Senior Airman Matthew Lotz/Released)

U.S. Air Force crew chiefs from the 31st Aircraft Maintenance Squadron lube pivot points underneath an F-16 Fighting Falcon after washing the aircraft, March 17, 2015, at Aviano Air Base, Italy. To assist with crew chiefs’ frequent inspections, Aviano aircraft receive a thorough cleaning using soap, water and lube every 180 days. (U.S. Air Force photo by Senior Airman Matthew Lotz/Released)

U.S. Air Force Airman 1st Class Heather Dienes, 31st Aircraft Maintenance Squadron crew chief, lubes a pivot point underneath an F-16 Fighting Falcon after washing the aircraft, March 17, 2015, at Aviano Air Base, Italy. To assist with crew chiefs’ frequent inspections, Aviano aircraft receive a thorough cleaning using soap, water and lube every 180 days. (U.S. Air Force photo by Senior Airman Matthew Lotz/Released)