F-15 maintainers keep exercise going in Portugal
A final salute is rendered, signaling that the aircraft is cleared for takeoff, during exercise Real Thaw at Beja Air Base, Portugal, Feb. 25, 2016. Real Thaw was designed to provide joint interoperability training throughout the execution of a vast range of battlefield missions, facing day and night operations in a high intensity joint setting. (U.S. Air Force photo/Senior Airman Dawn M. Weber)