Defense Secretary Leon E. Panetta speaks with John Casey, president of General Dynamics Electric Boat, in front of the Virginia-class attack submarine to be commissioned the USS Mississippi in Groton, Conn., Nov. 17, 2011. Defense Secretary Leon E. Panetta speaks with John Casey, president of General Dynamics Electric Boat, in front of the Virginia-class attack submarine to be commissioned the USS Mississippi in Groton, Conn., Nov. 17, 2011. SHARE: Download: Full Size (0.71 MB) Tags: Photo Essays Credit: VIRIN: 032092-N-WJE59-511.jpg Photo Gallery