Airman 1st Class Colton Casteele, 633rd Civil Engineer Squadron explosive ordnance disposal apprentice, tightens the straps to secure the helmet on the EOD Bomb Suit Nine at Langley Air Force Base, Va., July 26, 2011. The 70 pound EOD Bomb Suit Nine is the protective equipment primarily used by a team chief to enter and secure a scene. (U.S. Air Force photo by Staff Sgt. Antoinette Gibson/Released)