Col. Cavan Craddock addresses the 99th Air Base Wing during a change of command ceremony in the Thunderbirds Hangar on Nellis Air Force Base, Nevada, May 24, 2018. Craddock closed his speech with a vow to his new Airmen to continue the high level of service and build upon the success of the past. (U.S. Air Force photo by Senior Airman Kevin Tanenbaum)