Secretary of Defense Chuck Hagel receives a brief from the 628th Civil Engineer Squadron explosive ordnance disposal flight July 17, 2013, during a demonstration at Joint Base Charleston- Air Base, S.C. Hagel is the 24th secretary of defense and the first enlisted combat veteran to lead the Department of Defense. Hagel's visit to JB Charleston included learning about flying and support operations conducted in the Air Force at Charleston, meeting with Boeing representatives to talk about what the company provides to the Air Force, and conducting a town hall meeting with Department of Defense civilian employees to discuss federal government sequestration and civilian worker furloughs in the department. (U.S. Air Force photo/ Senior Airman George Goslin)