F-35A
An F-35A Lightning II takes off from Hill Air Force Base, Utah, on Sept. 17, 2015. Airmen in the 388th and 419th Fighter Wings have been hard at work preparing the F-35A for combat readiness since receiving the first operational aircraft in September 2015. The fifth-generation fighter aircraft was declared 'combat ready' today by Gen. Hawk Carlisle, Air Combat Command commander. (U.S. Air Force photo by Alex R. Lloyd)