U.S. Air Force Gen. Mike Hostage, former commander of Air Combat Command, addresses the crowd during the ACC change of command ceremony at Langley Air Force Base, Va., Nov. 4, 2014. Hostage relinquished command of ACC to Gen. Herbert "Hawk" Carlisle, and will retire from the Air Force after 37 years of service. (U.S. Air Force photo by Airman 1st Class Areca T. Wilson/Released) (Photo was cropped and contrasted for effect)