A KC-135R Stratotanker from the 434th Air Refueling Wing at Grissom Air Reserve Base, Ind., flies over Ohio shortly after refueling a C-17 Globemaster III from the 445th Airlift Wing at Wright-Patterson Air Force Base, Ohio, June 18, 2014. The main mission of the KC-135 is to provide inflight refueling to long-range bomber, fighter and cargo aircraft. (U.S. Air Force photo/Tech. Sgt. Mark R. W. Orders-Woempner)
A 62nd Airlift Wing C-17 Globemaster III receives an aerial refuel from a 60th Air Mobility Wing KC-10 Extender March 24, 2014, over the California coast en route to San Diego. The advanced combat operations training involved aircraft from Joint Base Lewis-McChord, Fairchild Air Force Base, Travis Air Force Base and Navy Carrier Wing 2. (U.S. Air Force photo/Senior Airman Madelyn Brown)
F-35B weapons bay
A KC-135 Stratotanker connects to an MC-130P Combat Shadow during air-to-air refueling. U.S. Air Force photo by Tech. Sgt. Kristine Dreyer.
A KC-135 Stratotanker from the Alaska Air National Guard's 168th Air Refueling Wing refuels an F-22 Raptor from the 90th Fighter Squadron at Elmendorf Air Force Base, Alaska. (U.S. Air Force photo/Airman 1st Class Jonathon Steffen)