USS South Dakota (SSN-790)

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USS South Dakota (SSN-790)
USS South Dakota (SSN-790) underway off Groton, Connecticut (USA), on 9 January 2019 (190109-N-LW591-045).JPG
South Dakota on 9 January 2019
History
Flag of the United States.svgUnited States
NameUSS South Dakota
NamesakeThe state of South Dakota
Awarded22 December 2008
Builder Electric Boat
Laid down4 April 2016 [1]
Sponsored byDeanie Dempsey [2]
Christened14 October 2017 [3]
Acquired24 September 2018 [4]
Commissioned2 February 2019 [5]
Homeport Groton, Connecticut
Identification Hull number: SSN-790
Motto
  • Subter Mare Dominamur
  • “Under the sea we rule”
StatusIn active service
Badge USS South Dakota SSN 790 Emblem.webp
General characteristics
Class and type Virginia-class submarine
Displacement7800 tons light, 7800 tons full [6]
Length114.9 meters (377 feet) [6]
Beam10.3 meters (34 feet)
Propulsion
  • 1 × S9G PWR nuclear reactor [7] 280,000  shp (210 MW), HEU 93% [8] [9]
  • 2 × steam turbines 40,000 shp (30 MW)
  • 1 × single shaft pump-jet propulsor [7]
  • 1 × secondary propulsion motor [7]
Speed25 knots (46 km/h) [10]
RangeEssentially unlimited distance; 33 years
Test depthgreater than 800 feet (240 meters) [11]
Complement134 officers and men [10]

USS South Dakota (SSN-790), is a nuclear powered Virginia-class submarine in service with the United States Navy. The contract to build her was awarded to Huntington Ingalls Industries in partnership with the Electric Boat division of General Dynamics in Newport News, Virginia on 22 December 2008. This boat is the seventh of the Block III submarines which will feature a revised bow, including some technology from Ohio-class SSGNs. [12] The keel laying ceremony took place on 4 April 2016. The boat's sponsor is Deanie Dempsey, wife of General Martin Dempsey. [1] Her christening ceremony took place on 14 October 2017 in Groton, Connecticut.

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References

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  5. "USS South Dakota (SSN 790) Commissioned" (Press release). United States Navy. 2 February 2019. NNS190202-06. Retrieved 2 February 2019.
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