INDIAN OCEAN  - MARCH 15: (EDITORS NOTE: Image has been reviewed by U.S. Military prior to transmission.) In this handout image provided by the U.S. Navy, the Nimitz-class aircraft carrier USS Carl Vinson (CVN 70) March 15, 2009 in the Indian Ocean. Carl Vinson is underway following a four-year refueling and complex overhaul to take part in Southern Seas 2010. After completing Southern Seas, Carl Vinson will change homeport from Norfolk, Va. to San Diego, Calif. (Photo by Petty Officer 2nd Class Dusty Howell/U.S. Navy via Getty Images)