180620-F-OD616-0001
Stacey Matthews and Joey Elliot, Firewalkers International Pyro, work with explosives on June 20, 2018, at Hill Air Force Base, Utah. The Firewalkers team provide the explosions that accompanied some of the aircraft demonstrations during the Warriors Over the Wasatch Air Show on June 23-24. (U.S. Air Force photo by R. Nial Bradshaw)