OVER ALASKA -- A KC-135 Stratotanker from the Alaska Air National Guard 168th Air Refueling Wing refuels an F-22 Raptor from the 90th Fighter Squadron at Elmendorf Air Force Base. With the KC-135's mission of air refueling, the F-22 capabilities can accomplish its mission of global engagement. (U.S. Air Force photo by Airman 1st Class Jonathan Steffen)