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Tech. Sgt. Andrew Decker, 4th Civil Engineering Squadron firefighter, stands on the second floor of a burning building during a live-fire training exercise at Seymour Johnson Air Force Base, North Carolina, Feb. 10, 2022. Firefighters train in smoky conditions to learn how to properly use their equipment. (U.S. Air Force courtesy photo by Airman 1st Class Hadley Neish)