USS Mississippi (SSN-782)

USS Mississippi (SSN-782) is a Virginia-class submarine of the United States Navy, named for the state of Mississippi. The contract to build her was awarded to the Electric Boat Division of General Dynamics Corporation in Groton, Connecticut on 14 August 2003. Mississippi's keel was laid down on 9 June 2010.[7] Mississippi was christened on 3 December 2011 at General Dynamics Electric Boat in Groton, Connecticut. Allison Stiller, Deputy Assistant Secretary of the Navy, is the ship's sponsor. The submarine was commissioned at a ceremony on 2 June 2012 in Pascagoula, Mississippi.[8][9][10][11] SSN-782 was delivered 12 months ahead of schedule and $60 million below planned cost.[12]

For other ships with the same name, see USS Mississippi.

Mississippi arrives at Pearl Harbor, 25 November 2014.
History
NameUSS Mississippi
NamesakeState of Mississippi
Awarded14 August 2003
BuilderGeneral Dynamics Electric Boat
Cost$2.6 billion
Laid down9 June 2010
Sponsored byAllison Stiller
Christened3 December 2011
Commissioned2 June 2012 in Pascagoula, MS
HomeportNaval Station Pearl Harbor[1]
MottoLatin "Virtute Et Armis" English "By Valor and Arms"
Statusin active service
Badge
General characteristics
Class and typeVirginia-class submarine
Displacement7800 tons light, 7800 tons full
Length114.9 meters (377 feet)
Beam10.3 meters (34 feet)
Propulsion
  • 1 × S9G PWR nuclear reactor[2] 280,000 shp (210 MW), HEU 93%[3][4]
  • 2 × steam turbines 40,000 shp (30 MW)
  • 1 × single shaft pump-jet propulsor[2]
  • 1 × secondary propulsion motor[2]
Speed25+ knots (46 km/h)[5]
RangeEssentially unlimited distance; 33 years
Test depth800+ feet (250 meters)[6]
Complement132 officers and men[5]

On 25 November 2014, Mississippi arrived at Joint Base Pearl Harbor-Hickam in Pearl Harbor, Hawaii, where the ship is permanently assigned to Submarine Squadron 1 of the United States Pacific Fleet.[13]

References
  1. "Hanabusa, Navy Announce Additional Ships at Pearl Harbor". 14 January 2014.
  2. Ragheb, Magdi (9 September 2011), Tsvetkov, Pavel (ed.), "Nuclear Naval Propulsion", Nuclear Power - Deployment, Operation and Sustainability, ISBN 978-953-307-474-0
  3. "Validation of the Use of Low Enriched Uranium as a Replacement for Highly Enriched Uranium in US Submarine Reactors" (PDF). dspace.mit.edu. June 2015. Retrieved 20 March 2022.
  4. "US study of reactor and fuel types to enable naval reactors to shift from HEU fuel". fissilematerials.org. 10 April 2020. Retrieved 20 March 2022.
  5. "The US Navy – Fact File". Archived from the original on 3 July 2007. Retrieved 5 July 2007.
  6. GlobalSecurity.org
  7. Moore, Mark (9 June 2010). "Mississippi Reaches Another Milestone, Celebrates Keel Laying". United States Navy. Retrieved 10 June 2010.
  8. Associated Press, "Mississippi to be christened December 3rd, 2011", 26 November 2011.
  9. The Day, "Mississippi christened at Electric Boat", 3 December 2011.
  10. Newsday, "Navy christens submarine Mississippi in Groton, 3 December 2011.
  11. "Archived copy". Archived from the original on 11 April 2020. Retrieved 11 February 2012.{{cite web}}: CS1 maint: archived copy as title (link)
  12. "Ahead of Schedule, Below Cost – Electric Boat Delivers Submarine Mississippi" (PDF). EB News. General Dynamics Electric Boat. May–June 2012. p. 2. Retrieved 5 April 2023.
  13. Khor, Steven. "USS Mississippi Welcomed as Newest Member of Pacific Submarine Force". United States Navy. Retrieved 21 April 2016.
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