U.S. Air Force Thunderbirds perform a delta burst in the sky during the annual air show July 24, 2019, on F.E. Warren Air Force Base, Wyo. As part of the annual open house, Fort D. A. Russell Days, the Thunderbirds made an appearance, marking their 66th show in Cheyenne. This year is the first in 25 years that F.E. Warren hosted the air show. (U.S. Air Force photo by Senior Airman Abbigayle Williams)