9/11
Matt Gibbons, Offutt Air Force Base, Nebraska, firefighter, climbs 110 flights of stairs in full-bunker gear during a Sept. 11 ceremony at the 55th Communications Group building. The ceremony was in remembrance of the New York fire fighters who died in the Twin Towers on Sept. 11, 2001. (U.S. Air Force photo by 2nd Lt. Carly A. Costello)