Chairman of the Board of Trustees of the National Geographic Society Jean Case moderates a discussion between Secretary of the Navy Carlos Del Toro and Dr. Robert Ballard, namesake of the future USNS Robert Ballard (T-AGS 67), at the National Geographic Society Headquarters in Washington, D.C. The future T-AGS 67 honors Ballard, a retired U.S. Navy Commander, former director of the Center for Ocean Exploration, National Geographic Explorer at Large, and discoverer of the final resting place of the RMS Titanic. (Photo by Mass Communication Specialist 2nd Class Jared Mancuso /Released)