Staff Sgt. Jeremy Jones, 633rd Civil Engineer Squadron crew chief and team captain, suits up in full gear before starting practice, Aug. 13, 2012, at Langley Air Force Base, Va. Wearing "full bunker gear" and a breathing apparatus, pairs of competitors will race head-to-head as they simulate the physical demands of real-life firefighting. (U.S. Air Force photo by Airman 1st Class R. Alex Durbin/Released)