With the spray of bubbly from a champagne bottle, PCU Missouri (SSN 780), the Navy's newest Virginia-class attack submarine, was christened during a late morning ceremony at General Dynamics Electric Boat in Groton, Conn., Dec. Missouri, the fifth Navy ship to be named in honor of the people of the "Show Me State," is "a link in the honored chain of ships to bear the name; another chapter in the storied history of the Naval service," said Secretary of the Navy (SECNAV) Ray Mabus. SECNAV and Secretary of Defense Robert M.