A U.S. Air Force KC-10 Extender assigned to the 380th Air Expeditionary Wing, Al Dhafra Air Base, United Arab Emirates, sits on the flight line Feb. 2, 2018. The KC-10 Extender is an advanced tanker and cargo aircraft that is designed to increase the Air Force’s global mobility through aerial refueling. (U.S. Air Force photo by Airman 1st Class D. Blake Browning)