SURPRISE CONGRATULATIONS Navy Adm. James A. Winnefeld Jr., vice chairman of the Joint Chiefs of Staff, applauds after delivering the commencement address for the National Defense University's Class of 2014 on Fort McNair in Washington, D.C., June 12, 2014. The university is a national security institution focused on advanced joint education, leader development and scholarship. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 041988-N-MBH04-495.jpg Photo Gallery