U.S. Air Force Gen. Herbert “Hawk” Carlisle, commander of Air Combat Command, is greeted by Airmen, his friends and family after taking his final flight at Joint Base Langley-Eustis, Va., March 9, 2017. Carlisle is a command pilot with more than 3,600 flying hours in combat and mobility aircraft. (U.S. Air Force photo/Staff Sgt. Natasha Stannard)