A U.S. Air Force KC-10 Extender assigned to Travis Air Force Base, California, practices aerial refueling procedures with another KC-10 during a routine aerial refueling training mission over Northern California, Oct. 26, 2023. The KC-10 is an Air Mobility Command advanced tanker and cargo aircraft designed to provide increased global mobility for U.S. armed forces; the KC-10 fleet is set to retire in 2024. (U.S. Air Force photo by Tech. Sgt. Philip Bryant) More