A pilot from the 510th Fighter Squadron performs pre-flight checks in an F-16 Fighting Falcon during a readiness exercise, Dec. 5, 2017, at Aviano Air Base, Italy. All Airmen across the wing, from finance to flightline, participated in a week-long readiness exercise with a variety of real-world scenarios to educate Airman and familiarize themselves on how and when to use the appropriate protective gear. (U.S. Air Force photo by Senior Airman Cory W. Bush)