(Right) Staff Sgt. Kristian Voth, 114th Air National Guard Civil Engineer Squadron fire fighter crew chief, ignites flames with a propane lighter as Staff Sgt. Ray Granillo, 28th Civil Engineer Squadron fire protection crew chief, drops flammable liquid to intensify the training pit fires at Ellsworth, May 13. Ellsworth Airmen and South Dakota Air National Guard members worked together to earn their annual Airport Fire Fighter Certification and to improve their fire fighting skills. (U.S. Air Force photo/Airman Corey Hook)