Keywords: Flickr - Official U.S. Navy Imagery - The SECNAV and CNO embark aboard USS Nimitz..jpg PACIFIC OCEAN JULY 18 2012 Secretary of the Navy SECNAV Ray Mabus and Chief of Naval Operations CNO Adm Jonathan Greenert embark aboard the aircraft carrier USS Nimitz CVN 68 during the Great Green Fleet demonstration portion of Rim of the Pacific RIMPAC 2012 Mabus Greenert and other senior Navy leaders were on hand to witness the large-scale demonstration of the Navy's use of alternative energy and energy efficiencies during RIMPAC the world's largest international maritime exercise U S Navy photo by Chief Mass Communication Specialist Sam Shavers/Released 120718-N-AC887-001 Join the conversation http //www facebook com/USNavy www facebook com/USNavy http //www twitter com/USNavy www twitter com/USNavy http //navylive dodlive mil navylive dodlive mil http //www flickr com/photos/usnavy/7609575820/ The SECNAV and CNO embark aboard USS Nimitz 2012-07-18 19 12 http //www flickr com/people/56594044 N06 Official Navy Page from United States of America MCC Sam Shavers/U S Navy U S Navy photo PD-USGov-Military-Navy Official U S Navy Imagery http //flickr com/photos/56594044 N06/7609575820 2012-11-12 21 58 23 cc-by-2 0 Ray Mabus Jonathan W Greenert in 2012 Salutes |