Lt. Col. Matthew Hayden, 56th Fighter Wing chief of safety and pilot attached to the 61st Fighter Squadron, inspects his F-35 before entering the cockpit and beginning take-off procedures, Feb. 2, 2016, at Luke Air Force Base. Hayden became the first Luke pilot to achieve 500 flight hours in an F-35. (U.S. Air Force photo by Airman 1st Class Ridge Shan)