161029-N-HI707-009 GROTON, Conn. (Oct. 29, 2016) Guests attend the commissioning ceremony of USS Illinois (SSN 786) on Naval Submarine Base New London, Oct. 29. USS Illinois is the U.S. Navy�s 13th Virginia-Class attack submarine and the fourth ship named for the State of Illinois. (U.S. Navy photo by Chief Petty Officer Darryl I. Wood/Released)