A U.S. Air Force KC-135 Stratotanker in-flight refueling specialist with the 28th Expeditionary Air Refueling Squadron, at Al Udeid Air Base, Qatar, conducts pre-flight mission checklists, Jan. 17, 2020. The 28th EARS, deployed with U.S. Air Forces Central Command, is responsible for delivering fuel to U.S. and coalition forces,enabling war-winning air power, deterrence, and stability to the region. (U.S. Air Force photo by Master Sgt. Joshua L. DeMotts)