Checkered Flag 2015
An F-22 Raptor and a T-38 Talon from Tyndall Air Force Base, Fla., F-16 Fighting Falcons from Shaw AFB, S.C. and Eielson AFB, Alaska, and an F-35 Lightning II from Eglin AFB, Fla., sit on the flightline at Tyndall AFB Dec. 17, 2015, during exercise Checkered Flag 16-1. Checkered Flag 16-1 is a large force exercise that simulates employment of a large number of aircraft from a simulated deployed environment. (U.S. Air Force photo/Senior Airman Sergio A. Gamboa)