Heritage Flight Training Conference
An F-16 Fighting Falcon joins in formation with a P-40 Warhawk (front), P-51 Mustang (bottom), and an F-86 Sabre (top) during the Heritage Flight Training Course March 2, 2014, over Davis-Monthan Air Force Base, Ariz. During the course, aircrews practiced ground and flight training to allow civilian pilots of historic military aircraft and current Air Force fighter pilots to safely fly in formations together. (U.S Air Force photo/ Airman 1st Class Cheyenne Morigeau)