U.S. Air Force Staff Sgt. Michael Radcliff, Air Force Thunderbirds tactical aircraft mechanic, signals to another maintenance Airman during the 2015 Dyess Big Country Airfest May 3, 2015, at Dyess Air Force Base, Texas. This year’s Airfest coincided with the 30th anniversary of the first B-1B Lancer delivered to Dyess and celebrated 60 years since the C-130 was first presented to the Air Force. The Thunderbirds flew both Saturday and Sunday for crowds that totaled more than 26,000 spectators. (U.S. Air Force photo by Senior Airman Peter Thompson/Released)