Navy Adm. Gary Roughead, chief of Naval Operations, speaks with Defense Secretary Robert M. Gates during the U.S. Naval Academy commencement ceremony in Annapolis, Md., May 27, 2011. Navy Adm. Gary Roughead, chief of Naval Operations, speaks with Defense Secretary Robert M. Gates during the U.S. Naval Academy commencement ceremony in Annapolis, Md., May 27, 2011. SHARE: Download: Full Size (1.97 MB) Tags: Photo Essays Credit: VIRIN: 479945-Y-JSC45-312.jpg Photo Gallery