U.S. Air Force Airman 1st Class Todd Wagner, 633rd Civil Engineer Squadron firefighter and Staff Sgt. Isaac Sunnock, 633rd CES lead firefighter, participate in a live-fire training exercise at Joint Base Langley-Eustis, Virginia, Sept. 19, 2018. The firefighters train almost 20 hours a week to maintain their proficiency in their skills. (U.S. Air Force photo by Staff Sgt. Areca T. Bell)