U.S. Air Force Brig. Gen. John C. Walker (right) relinquished command of the 378th Air Expeditionary Wing to Brig. Gen. Evan L. Pettus (left) during a change of command ceremony at Prince Sultan Air Base, Kingdom of Saudi Arabia, June 12, 2020. Since it’s activation in December 2019, Prince Sultan AB has again become home to U.S. service members whose mission is to continue to build and sustain an expeditionary operations hub, assure the U.S.'s Saudi partners, and enhance the defense of Saudi Arabia and security in the Middle East. (U.S. Air Force photo Staff Sgt. Giovanni)