Air Force Airman 1st Class Jacob Bull, 380th Expeditionary Civil Engineer Squadron firefighter, stores a hose after a simulated building fire at Al Dhafra Air Base, United Arab Emirates, Jan. 12, 2018. During the simulation, firefighters used the “two-in, two-out” policy mandating firefighters never enter a building alone. ( Air Force

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Photo credit: © RP Images / Alamy / Afripics
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Keywords: carney, uss