Navy Adm. Gary Roughead, chief of Naval Operations, participates in the U.S. Naval Academy commencement ceremony in Annapolis, Md., May 27, 2011. Navy Adm. Gary Roughead, chief of Naval Operations, participates in the U.S. Naval Academy commencement ceremony in Annapolis, Md., May 27, 2011. SHARE: Download: Full Size (3.1 MB) Tags: photo essays Credit: VIRIN: 643882-J-HJA58-458.jpg Photo Gallery