WINNEFELD REMARKS Navy Adm. James A. Winnefeld Jr., vice chairman of the Joint Chiefs of Staff, addresses an audience at the Air Force Association’s 2013 Air & Space Conference and Technology Exposition at National Harbor, Md., Sept. 18, 2013. The event brings together Air Force leaders, industry experts and current aerospace specialists from around the world to discuss the issues and challenges facing America and the aerospace community. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 940518-F-TBH04-496.jpg Photo Gallery