190226-F-SX095-004

Staff Sgt. Paul Ogletree, F-35 Demonstration Team dedicated crew chief, prepares to close the canopy on an F-35A Lightning II at Davis-Monthan Air Force Base, Ariz., Feb. 26, 2019. The F-35 Demonstration Team prepared to perform their final certification flight during the Heritage Flight Training and Certification Course. (U.S. Air Force photo by Staff Sgt. Jensen Stidham)