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USS South Dakota (SSN-790)

US Navy Virginia-class submarine From Wikipedia, the free encyclopedia

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.[11] 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.

NameUSS South Dakota
NamesakeThe state of South Dakota
Awarded22 December 2008
Quick facts History, United States ...
South Dakota on 9 January 2019
History
United States
NameUSS South Dakota
NamesakeThe state of South Dakota
Awarded22 December 2008
BuilderElectric Boat
Laid down4 April 2016[1]
Christened14 October 2017[2]
Acquired24 September 2018[3]
Commissioned2 February 2019[4]
Home portGroton, Connecticut
IdentificationHull number: SSN-790
Motto
  • Subter Mare Dominamur
  • “Under the sea we rule”
StatusIn active service
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General characteristics
Class & typeVirginia-class submarine
Displacement7800 tons light, 7800 tons full[5]
Length114.9 meters (377 feet)[5]
Beam10.3 meters (34 feet)
Propulsion
  • 1 × S9G PWR nuclear reactor[6] 280,000 shp (210 MW), HEU 93%[7][8]
  • 2 × steam turbines 40,000 shp (30 MW)
  • 1 × single shaft pump-jet propulsor[6]
  • 1 × secondary propulsion motor[6]
Speed25 knots (46 km/h)[9]
RangeEssentially unlimited distance; 33 years
Test depthgreater than 800 feet (240 meters)[10]
Complement134 officers and men[9]
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In 2024, Business Insider filmed a short documentary aboard the USS South Dakota showing how Navy culinary specialists prepare meals for the crew members while on board.[12]

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