Tech Sgt. Aaron Bebernitz, 315th Civil Engineering Flight fire prevention operations chief, gives visual confirmation of rollover fire prior to extinguishing it during routine training May 2, 2015, at Joint Base Charleston, S.C. After multiple dry runs, the proficiency training of live structural fires is conducted twice a year and tests the firefighters ability to extinguish flames. (U.S. Air Force photo / Senior Airman Tom Brading)