U.S. Air Force Senior Airman Tim Harman, a boom operator with the 76th Air Refueling Squadron prepares for a scheduled in-air refueling on a KC-10 Extender during a training mission March 31, 2021. Reservists with the 514th Air Mobility Wing fly and maintain both KC-10 Extenders and C-17 Globemaster IIIs. (U.S. Air Force photo by Tech. Sgt. Monica Ricci)