SSN 790
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The South Dakota (SSN 790) is the 17th Virginia-class attack submarine and the third United States Navy ship named for the state of South Dakota. The contract to build her was awarded to General Dynamics Electric Boat division on December 22, 2008, and the construction began in March 2013.

April 4, 2016 The keel for SSN 790 was laid down during a ceremony at GDEB’s Quonset Point facility in North Kingstown, R.I.

October 14, 2017 The Pre-Commissioning Unit (PCU) South Dakota was christened during a 10 a.m. EDT ceremony at the Electric Boat shipyard's assembly bay in Groton, Conn. Mrs. Deanie Dempsey, wife of the 18th Chairman of the Joint Chiefs of Staff, Gen. Martin E. Dempsey (Army), served as sponsor of the ship. Cmdr. Ronald L. Withrow, Jr., is the prospective commanding officer.

August 28, 2018 PCU South Dakota returned to Electric Boat shipyard after underway for the first time to conduct Alpha sea trials; Underway again from Aug. 30- Sept. ?.

September 24, General Dynamic's Electric Boat officialy delivered the future USS South Dakota to U.S. Navy.

November 2, Cmdr. Craig E. Litty relieved Cmdr. Ronald L. Withrow, Jr., as CO of the South Dakota, during a change-of-command ceremony at Dealey Center theater on Naval Submarine Base New London.