USS Charlotte (SSN-766), a Los Angeles-class submarine, is the fourth ship of the United States Navy to be named for Charlotte, North Carolina.The contract to build her was awarded to Newport News Shipbuilding and Dry Dock Company in Newport News, Virginia on 6 February 1987 and her keel was laid down on 17 August 1990. Sponsored by Mrs. Mary McComack, she was launched on 3 October 1992 .…