Staff Sgt. Blaine Erway, 99th Civil Engineer Squadron firefighter crew chief, descends the air traffic control stairwell during Red Flag 17-3 at Nellis Air Force Base, Nev. July 18, 2017. The team ascended more than 10 flights of stairs with more than 130 pounds of gear in less than two minutes to practice emergency response capabilities at the top of the air traffic control tower. (U.S. Air Force photo by Airman 1st Class Andrew D. Sarver/Released)
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