SSN 788
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The Colorado (SSN 788) is the 15th Virginia-class attack submarine and the fourth United States Navy ship named for the state of Colorado. The contract to build her was awarded to General Dynamics Electric Boat division on December 22, 2008.

March 7, 2015 The keel for SSN 788 was laid down during a ceremony at GDEB’s Quonset Point facility in North Kingstown, R.I.

February 29, 2016 The Colorado finished the last major phase of its construction at the Electric Boat shipyard, after all pressure hull sections are joined to form a single unit.

December 3, The Pre-Commissioning Unit (PCU) Colorado was christened during an 11 a.m. EDT ceremony at the Electric Boat shipyard's assembly bay in Groton, Conn. Annie Mabus, daughter of the Honorable Raymond E. Mabus, Jr., (SECNAV), served as sponsor of the ship. Cmdr. Kenneth Franklin is the prospective commanding officer.

December 29, The Colorado recently moved from the hangar bay to Dry Dock #3 where she floated off for the first time.

August 19, 2017 PCU Colorado departed Electric Boat shipyard for a three-day underway to conduct Alpha sea trials; Underway for Bravo trials from Aug. 2?-30; Underway for acceptance trials on Sept. 1?.

September 21, General Dynamic's Electric Boat officialy delivered the future USS Colorado to U.S. Navy.

November 3, Cmdr. Gregory R. Koepp, II relieved Cmdr. Kenneth Franklin as CO of the SSN 788, during a change-of-command ceremony on board the sub at Naval Submarine Base New London.

December 20, The Colorado is currently moored at Pier 8S on Naval Submarine Base New London.

January 9, 2018 PCU Colorado departed homeport for routine operations off the coast of Florida; Moored at Trident Wharf in Port Canaveral, Fla., from Jan. 11-18.

February 28, The Colorado moored at Pier 6N on Naval Submarine Base New London after underway for routine operations.

March 17, USS Colorado was commissioned during an 11 a.m. EDT ceremony at Naval Submarine Base New London in Groton, Conn.

March 30, General Dynamics Electric Boat Corp. was awarded $14,7 million modification to a previously awarded contract (N00024-09-C-2104) for planning and execution of USS Colorado's Post Shakedown Availability (PSA). Work is expected to be completed by September.

November 16, USS Colorado completed a week-long acoustic trials off the coast of Port Everglades, Florida; Returned to Groton on Nov. 20.

January 3, 2019 The Colorado is currently moored at Pier 6S on Naval Submarine Base New London.