Air Force's 100th F-35 lands at Luke
The Air Force’s 100th F-35 Lightning II lands at Luke Air Force Base, Ariz., Aug. 26, 2016. The aircraft, designated AF-100, marks a milestone for the F-35 program as it continues to grow, progress and support initial operational capabilities. (U.S. Air Force photo/Staff Sgt. Marcy Copeland)