A firefighter with the 100th Civil Engineer Squadron practices attaching a chute ladder to a KC-135 Stratotanker during a training exercise simulating a cockpit fire at RAF Mildenhall, England, Oct. 22, 2019. The firefighters had to search for “unaccounted personnel” in and around the aircraft during the simulated fire. (U.S. Air Force photo by Senior Airman Brandon Esau)