Tech. Sgt. Mark Gilding, NCO in charge of 506th Expeditionary Civil Engineer Squadron heavy equipment, installs new speed bumps at Kirkuk Regional Air Base, Iraq, May 22, 2009. The speed bumps are meant to not only reduce speed but also increase safety for security forces Airmen manning the base’s gates. (U.S. Air Force photo/Staff Sgt. Eunique Stevens)