U.S. Air Force Staff Sgt. Troy Falkena, 633rd Civil Engineer Squadron firefighter, holds a ladder upright as Chief Master Sgt. Richard Parsons, command chief of Air Combat Command, completes the firefighters’ challenge at Langley Air Force Base, Va., July 17, 2013. The event included simulated chopping of a sled, dragging hoses and rescuing a life-sized mannequin while racing against the clock. (U.S. Air Force photo by Airman 1st Class Victoria H. Taylor/Released)