180112-N-JE719-227 PORT CANAVERAL, Fla. (Jan. 12, 2018) The Pre-Commissioning Unit Colorado (SSN 788) Commanding Officer, Cmdr. Reed Koepp, left, and Executive Officer, Lt. Cmdr. Stephen Col stand in the boat’s sail. Colorado is the 15th Virginia-class attack submarine and is scheduled to be commissioned March 17, 2018. (U.S. Navy photo by Mass Communication Specialist 1st Class Jeffrey M. Richardson/Released)