F-22 participates in 20th annual Heritage Flight
U.S. Air Force F-22 Raptor Demonstration Team crew chiefs, signal to an F-22 Raptor before take-off at the 2017 Heritage Flight Training and Certification Course at Davis-Monthan Air Force Base, Ariz., Feb. 9, 2017. The Demonstration Team assisted with more than 6 launches of the aircraft during the training and certification course. (U.S. Air Force photo by Senior Airman Kimberly Nagle)