KC-135 refuels KC-10
A KC-10 Extender aircraft assigned to the 60th Air Mobility Wing, Travis AFB Calif., lines up to make contact with the refueling boom of a KC-135 Stratotanker, assigned to the 6th Air Mobility Wing, MacDill AFB Fla., March 29, 2019. Once contact is made, the KC-135 can off-load up to 200,000 pounds of fuel. (U.S. Air Force photo by Staff Sgt. Bradley Tipton)