With a view of Mt. Rainier in the background, Senior Airman Andres Elias (left), 412th Aircraft Maintenance Squadron assistant dedicated crew chief, begins a walk-around inspection near the wing of an Edwards Air Force Base, Calif., F-16 Falcon on Sept. 24, 2015, at Joint Base Lewis-McChord, Wash., in preparation for the KC-46 Pegasus first flight. Elias is just one of 20 Edwards AFB personnel temporarily assigned to JBLM in support of the KC-46 Tanker Program. (U.S. Air Force photo/Jet Fabara)