Firefighters from Creech and Nellis turn up the heat
Tech. Sgt. John Muldoon, NCO in charge of training, operates the fuel and ignitor switches to control the fire sources during an aircraft live fire training exercise March 23, 2017, at Nellis Air Force Base, Nev. Muldoon communicated with the on-scene instructor to ensure the training objectives were met. (U.S. Air Force photo/Airman 1st Class James Thompson)