U.S. Air Force Thunderbirds F-16s, used in the air demonstrations, sit on the tarmac at the Wyoming Air National Guard base in Cheyenne, Wyo., July 21, 2014, while Thunderbirds maintainers ensure they are in their best shape. The Thunderbirds have visited and performed at an air show during Cheyenne Frontier Days every year in their 61-year history except for 2013 due to government sequestration. (U.S. Air Force photo by Airman 1st Class Jason Wiese)