Firefighters exercise their skills
U.S. 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. (U.S. Air Force photo by Airman 1st Class D. Blake Browning)