U.S. Air Force Staff Sgt. Michael John Maxwell, 31st Aircraft Maintenance Squadron dedicated crew chief, inspects landing gear on 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)