2018 Heritage Flight Training and Certification Course
A U.S. Air Force F-35A Lightning II, A-10C Thunderbolt II, P-51 Mustang, F-16 Fighting Falcon, and P-40 Warhawk fly in formation during the annual Heritage Flight Training and Certification Course at Davis-Monthan Air Force Base, Ariz., March 4, 2018. During the course, aircrews practice ground and flight training to enable civilian pilots of historic military aircraft and U.S. Air Force pilots of current fighter aircraft to fly safely in formations together. (U.S. Air Force photo by Staff Sgt. Jensen Stidham)