U.S. Air Force pilot assigned to the 28th Expeditionary Air Refueling Squadron, left, and a U.S. Air Force crew chief assigned to the 385th Expeditionary Aircraft Maintenance perform a preflight inspection on a KC-135 Stratotanker at Al Udeid Air Base, Qatar, Jan. 14, 2020. The 28th EARS, deployed with 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. Bethany E. La Ville)