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Sturgeon-class Nuclear Attack Submarine

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The Sturgeon-class nuclear attack submarine USS Archerfish (SSN-678) at sea. Archerfish is of the long hull variant of the Sturgeon-class submarines.

The Sturgeon-class (known colloquially in naval circles as the 637-class) was a class of nuclear-powered fast attack submarines (SSN) in service with the United States Navy from the 1960s until 2004. They were the "workhorses" of the Navy's attack submarine fleet throughout much of the Cold War. The boats were phased out in the 1990s and early 21st century, as their successors, the Los Angeles, followed by the Seawolf and Virginia-class boats, entered service.


  • Type: Nuclear Powered Fast Attack Submarine (Hull designation symbol SSN)
  • Service Period: 1967-2004
  • Characteristics:
    • Length (Short Hull): 292 feet 3 inches (89.08 meters)
    • Length (Long Hull): 302 feet 3 inches (92.13 meters)
    • Beam: 31 feet 8 inches (9.65 meters)
    • Displacement: 3,640 tons (Surfaced); 4,640 tons (Submerged)
  • Crew: 107
  • Propulsion:
    • 1 x Westinghouse S5W pressurized water reactor, 2 x steam turbines, 1 x shaft, 15,000 shp (11,000 kW)
  • Range: Unlimited
  • Speed: ~30 knots (~55.56 km/h)
  • Sensor Suite:
  • Armament:
    • 4 x 21" torpedo tubes (fires Mk.48, Mk.48 ADCAP torpedoes, UGM-84 Harpoon, UGM-109 Tomahawk, and SUBROC) or
    • Mk.67 Submarine Launched Mobile Mines and/or CAPTOR mines

Unit Run[edit]

Short Hull Variant[edit]

  • USS Sturgeon (SSN-637)
  • USS Whale (SSN-638)
  • USS Tautog (SSN-639)
  • USS Grayling (SSN-646)
  • USS Pogy (SSN-647)
  • USS Aspro (SSN-648)
  • USS Sunfish (SSN-649)
  • USS Pargo (SSN-650)
  • USS Queenfish (SSN-651)
  • USS Puffer (SSN-652)
  • USS Ray (SSN-653)
  • USS Sand Lance (SSN-660)
  • USS Lapon (SSN-661)
  • USS Gurnard (SSN-662)
  • USS Hammerhead (SSN-663)
  • USS Sea Devil (SSN-664)
  • USS Guitarro (SSN-665)
  • USS Hawkbill (SSN-666)
  • USS Bergall (SSN-667)
  • USS Spadefish (SSN-668)
  • USS Seahorse (SSN-669)
  • USS Finback (SSN-670)
  • USS Pintado (SSN-672)
  • USS Flying Fish (SSN-673)
  • USS Trepang (SSN-674)
  • USS Bluefish (SSN-675)
  • USS Billfish (SSN-676)
  • USS Drum (SSN-677)

Long Hull Variant[edit]

  • USS Archerfish (SSN-678)
  • USS Silversides (SSN-679)
  • USS William H. Bates (SSN-680) (ex-USS Redfish)
  • USS Batfish (SSN-681)
  • USS Tunny (SSN-682)
  • USS Parche (SSN-683) - museum ship
  • USS Cavalla (SSN-684)
  • USS L. Mendel Rivers (SSN-686)
  • USS Richard B. Russell (SSN-687)


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