KC-135 AOR refueling mission
A U.S. Air Force E-3 Sentry, assigned to the 968th Expeditionary Airborne Air Control Squadron, flies above the Arabian Gulf, Dec. 3, 2019. The E-3 Sentry is an airborne warning and control system, or AWACS, aircraft with an integrated command and control battle management, or C2BM, surveillance, target detection, and tracking platform. (U.S. Air Force photo by Staff Sgt. Daniel Snider)