U.S. Air Force Heritage Flight Training Course spectators visit the Air Combat Command F-22 Raptor Demonstration Team before the Raptor team’s flight at Davis-Monthan Air Force Base, Arizona, March 2, 2018. Prior to the course’s flights, Davis-Monthan AFB opened the airfield ramp for spectators to view the various generations of U.S. Air Force airframes featured in heritage flights. (U.S. Air Force photo by Tech. Sgt. Natasha Stannard)