180317-N-JE719-692 GROTON, Conn. (March 17, 2018) USS Colorado (SSN 788) Ship Sponsor, Annie Mabus delivers remarks to attendees and crew during the boat's commissioning ceremony. Colorado is the U.S. Navy's 15th Virginia-class attack submarine and the second ship fourth ship named for the State of Colorado. (U.S. Navy photo by Mass Communication Specialist 1st Class Jeffrey M. Richardson/Released)