After 35 years of military service, Brian Cullen, 436th Civil Engineer Squadron assistant fire chief, serves as a civilian employee at Dover Air Force Base, Del., Sept. 26, 2018. Cullen recently returned from a special duty assignment as Prime Base Engineer Emergency Force functional manager, where he was responsible for organizing, training, equipping and deploying roughly 880 reserve firefighters. (U.S. Air Force photo by Airman 1st Class Jonathan W. Harding)
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