Naval History and Heritage Command

Naval History and Heritage Command

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South Dakota III (SSN-790)


North Dakota and South Dakota both attained their admittance to the Union on 2 November 1889. South Dakota yielded the state’s place to North Dakota because of its position in alphabetical order, with South Dakota entering the Union as the 40th state.


(SSN-790: displacement 7,800; length 377'; beam 33'; draft 32'; speed 30 knots; complement 132; armament Mk 48 Advanced Capability upgrade torpedoes, Tomahawk cruise missiles; class Virginia)

The Navy awarded Electric Boat Division, General Dynamics, Groton, Conn., a contract to build South Dakota (SSN-790) on 22 December 2008. Secretary of the Navy Raymond E. Mabus Jr., hosted the submarine’s naming ceremony at the USS South Dakota Battleship Memorial, Sioux Falls, S.D., on 22 June 2012. South Dakota was laid down at Groton on 4 April 2016; christened on 14 October 2017; sponsored by Mrs. Martin E. [Deanie] Dempsey, wife of Gen. Martin E. Dempsey, U.S. Army (Ret.), former chairman of the Joint Chiefs of Staff (1 October 2011–25 September 2015); delivered on 24 September 2018; and was commissioned on 2 February 2019, at Naval Submarine Base New London, Conn., Cmdr. Craig E. Litty in command.

Detailed history pending.

Mark L. Evans
4 February 2019

Published: Mon Feb 04 12:43:50 EST 2019