American Security Remarks Defense Secretary Ash Carter provides the keynote address at the Center for a New American Security's annual conference in Washington, D.C., June 20, 2016. DoD photo by Air Force Senior Master Sgt. Adrian Cadiz SHARE IMAGE: Download Image: Full Size (1.93 MB) Photo By: Air Force Senior Master Sgt. Adrian Cadiz VIRIN: 160620-D-DT527-071C.JPG Photo Gallery