USS South Dakota (SSN-790)

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USS South Dakota (SSN-790)
History
Name: USS South Dakota
Namesake: The state of South Dakota
Awarded: 22 December 2008
Builder: Electric Boat
Laid down: 4 April 2016
Sponsored by: Deanie Dempsey[1]
Christened: 14 October 2017[2]
Status: Under Construction
General characteristics
Class and type: Virginia-class submarine
Displacement: 7800 tons light, 7800 tons full
Length: 114.9 meters (377 feet)
Beam: 10.3 meters (34 feet)
Propulsion: S9G reactor
Speed: 25 knots (46 km/h)[3]
Range: Essentially unlimited distance; 33 years
Test depth: greater than 800 feet (240 meters)[4]
Complement: 134 officers and men[3]

USS South Dakota (SSN-790), is a nuclear powered Virginia-class submarine, currently being built for 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.[5]

The keel laying ceremony took place on 4 April 2016. The boat's sponsor is Deanie Dempsey, wife of General Martin Dempsey, US Army (retired).[6] Her christening ceremony took place on 14 October 2017 in Groton, Connecticut. Named for the state of South Dakota, she will be the third navy vessel to carry the name, the previous ships being South Dakota (ACR-9) (name later changed to Huron), followed by South Dakota (BB-57). Another planned ship, South Dakota (BB-49), was to be the lead of a six-ship class of post-WWI battleships, but the entire class was cancelled.

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