Suffocation by soap
Master Sgt. Tommy Behrman, 31st Maintenance Group loading standardization crew chief, goes over the process of how to start the newly-completed fire suppressant system in Hangar 3 July 11 at Aviano Air Base, Italy. In case of a fire, heat sensors activate an alarm and flashing lights, giving personnel working in the hangar 20 seconds to evacuate before the foam is released. In case heat sensors are faulty, there are manual activation systems located throughout the hangar. (U.S. Air Force photo/Senior Airman Katherine Windish)