The U.S. Air Force Thunderbirds’ air demonstration team fly in delta formation May 2, 2015, at Dyess Air Force Base, Texas. The base hosted the 2015 Dyess Big Country Airfest, which was headlined by the Thunderbirds, and featured performances by Dyess’ B-1B Lancers and C-130J Super Hercules. (U.S. Air Force photo by Airman 1st Class Kedesha Pennant/Released)