IN FLIGHT - SEPTEMBER 26: In this handout image provided by the U.S. Air Force, A KC-10 Extender refuels an F-22 Raptor fighter aircraft prior to strike operations in Syria, during flight on September 26, 2014. These aircraft were part of a strike package that was engaging ISIL targets in Syria. (Photo by Tech. Sgt. Russ Scalf/U.S. Air Force via Getty Images)