Tech. Sgt. Benjamin Horton, 775 Civil Engineer Sqadron Explosive Ordnance Disposal team leader, responds to an attack on a security checkpoint July 7, 2007, in Kirkuk, Iraq. Due to rocket and sniper fire, Sergeant Horton used a smoke screen to provide cover. He was quickly able to neutralize several rockets that had failed to detonate. (U.S. Air Force photo by Staff Sgt. Glenn Henthorn)