Aircraft firefighting training exercise
Firefighters assigned to the 99th Civil Engineering Squadron battle blazes during a live fire training exercise at the aircraft burn trainer March 27, 2014, at Nellis Air Force Base, Nev. The firefighters suppress the flames with a hose attached to a rapid intervention vehicle. The RIV can deliver between 1,300 and 1,500 gallons of water per minute. (U.S. Air Force photo by Airman 1st Class Thomas Spangler)