Airmen from the 33th Aircraft Maintenance Squadron load an AIM-9X missile on to an F-35A’s external weapons pylon July 20, 2016, at Eglin Air Force Base, Fla. This milestone was the first time an F-35A at Eglin AFB was loaded with internal and external weapons and will help develop weapons loading procedures for the F-35 program. (U.S. Air Force photo by Senior Airman Stormy Archer)

An F-35A from the 58th Fighter Squadron is loaded with weapons in its internal weapons bays and on external pylons July 20, 2016, at Eglin Air Force Base, Fla. The F-35 is capable of carrying weapons both internally and externally in order to adapt to mission needs. (U.S. Air Force photo by Senior Airman Stormy Archer)