Col. Charles Velino, 15th Operations Group commander, does a pre-flight inspection of a C-17 Globemaster III before his final flight at Joint Base Pearl Harbor-Hickam, Hawaii, June 16, 2017. Velino is a command pilot with over 3,500 flying hours and will be leaving the 15th Operations Group to take command of the 47th Flying Training Wing in Laughlin AFB, Texas. (U.S. Air Force photo by Tech Sgt. Heather Redman)