180317-N-LW591-380 GROTON, Conn. (March 17, 2018) Guests attend the commissioning ceremony of USS Colorado (SSN 788) on Naval Submarine Base New London, March 17. USS Colorado is the U.S. Navy’s 15th Virginia-Class attack submarine and the fourth ship named for the State of Colorado. (U.S. Navy photo by Mass Communication Specialist 1st Class Steven Hoskins/Released)