(Front to back) Staff Sgt. Daniel Bernal and Airman Adam Peterson, 21st Civil Engineer Squadron Fire Protection Flight firefighters, prepare to refill one of several fire engines responding to a fire south of the runway July 11 outside Peterson Air Force Base, Colo. Firefighters are preparing to compete against other military and civilian fire agencies during an annual competition in Omaha, Neb., in August. (U.S. Air Force Photo/Staff Sgt. Jessica Switzer)