U.S. Air Force KC-135 aircrew with the 28th Expeditionary Air Refueling Squadron perform preflight briefings, Nov. 24, 2019, at Al Udeid Air Base, Qatar. The 28th EARS, part of U.S. Air Forces Central Command, is responsible for delivering fuel to U.S. and coalition forces, enabling a constant presence in the area of responsibility. (U.S. Air Force photo by Staff Sgt. Daniel Snider)
24.0-70.0 mm f/2.8
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