A U.S. Air Force KC-10 Extender refuels a U.S. Air Force F-15C Eagle over Poland, Sept. 22, 2020. The F-15s, based out of RAF Lakenheath, United Kingdom, participated in exercise Astral Knight along with fighter aircraft from Spangdahlem Air Base, Poland and other members of NATO. (U.S. Air Force photo by Airman 1st Class Alison Stewart)
14.0-24.0 mm f/2.8
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