Deputy Secretary of Defense Carter talks to troops Deputy Secretary of Defense Ashton B. Carter talks to a gathering of several hundred troops assembled in a hangar at Joint Base Charleston in Charleston, S.C., June 18, 2012. Carter was earlier given a tour of the Vehicular Integrated Solutions Facility and received briefings on space and naval warfare at the Space and Naval Warfare Systems Command. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 167662-W-CPK64-362.jpg Photo Gallery