U.S. Air Force KC-135 Stratotanker aircrew members with the 28th Expeditionary Air Refueling Squadron perform preflight inspections on a Stratotanker at Al Udeid Air Base, Qatar, Dec. 3, 2019. The KC-135 delivers U.S. Air Forces Central Command a global reach aerial refueling capability to support our joint and coalition aircraft, providing war-winning airpower throughout the U.S. Central Command area of responsibility. (U.S. Air Force photo by Staff Sgt. Daniel Snider)