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Benjamin Franklin-class submarine

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Title: Benjamin Franklin-class submarine  
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Benjamin Franklin-class submarine

General characteristics
Type: Nuclear-powered Ballistic Missile Submarine
Displacement:

Surfaced: 7,325 long tons (7,443 t)

Submerged: 8,251 long tons (8,383 t)[1]
Length: 425 ft (130 m)[1]
Beam: 33 ft (10 m)[1]
Draft: 28 ft 6 in (8.69 m)[1]
Propulsion:
Speed:
  • 16 knots (30 km/h) surfaced
  • 21 knots (39 km/h) submerged[1]
Test depth: 1,300 feet (400 m)[1]
Complement: Two crews of 14 officers and 126 enlisted[1]
Armament: 16 Polaris A3 or Poseidon C3 or Trident I C4 missiles, 4 × 21 inch (533 mm) torpedo tubes, 13 torpedoes[1]

The Benjamin Franklin-class Ethan Allen, Lafayette, and James Madison classes, comprise the "41 for Freedom" that were the Navy's main contribution to the nuclear deterrent force through the late 1980s. This class and the James Madison class are combined with the Lafayettes in some references.

Contents

  • Design 1
  • Fate 2
  • Boats in class 3
  • See also 4
  • References 5
  • External links 6

Design

The Benjamin Franklin-class submarines were built with the

  • NavSource.org SSBN photo gallery index

External links

  • Gardiner, Robert and Chumbley, Stephen (editors). Conway's All The World's Fighting Ships 1947-1995. Annapolis, USA: Naval Institute Press, 1995. ISBN 1-55750-132-7.
  • Polmar, Norman. The Ships and Aircraft of the U.S. Fleet: Twelfth Edition. London:Arms and Armour Press, 1981. ISBN 0-85368-397-2.
  • US Naval Vessel Register - List of SSBN BALLISTIC MISSILE SUBMARINE (NUCLEAR-POWERED) Class vessels
  • This article incorporates text from the public domain Dictionary of American Naval Fighting Ships.
  1. ^ a b c d e f g h i
  2. ^ a b c d
  3. ^ at NavSource.orgKamehameha
  4. ^

References

See also

Name and hull number Builder Laid Down Launched Commissioned Fate
Benjamin Franklin (SSBN-640) * General Dynamics Electric Boat 25 May 1963 5 December 1964 22 October 1965 Decommissioned 23 November 1993. Disposed of through Ship-Submarine Recycling Program, 1995
Simon Bolivar (SSBN-641) * Newport News Shipbuilding and Drydock Co. 17 April 1963 22 August 1964 29 October 1965 Decommissioned 8 February 1995. Disposed of through Ship-Submarine Recycling Program, 1995
Kamehameha (SSBN-642) Mare Island Naval Shipyard 2 May 1963 16 January 1965 10 December 1965 Decommissioned 2 April 2002. Disposed of through Ship-Submarine Recycling Program, 2003
 (SSBN-643)George Bancroft * General Dynamics Electric Boat 24 August 1963 20 March 1965 22 January 1966 Decommissioned 21 September 1993. Disposed of through Ship-Submarine Recycling Program, 1998
Lewis and Clark (SSBN-644) Newport News Shipbuilding and Drydock Co. 29 July 1963 21 November 1964 22 December 1965 Decommissioned 27 June 1992. Disposed of through Ship-Submarine Recycling Program, 1996
James K. Polk (SSBN-645) General Dynamics Electric Boat 23 November 1963 22 May 1965 17 April 1966 Decommissioned 8 July 1999. Disposed of through Ship-Submarine Recycling Program, 2000
 (SSBN-654)George C. Marshall Newport News Shipbuilding and Drydock Co. 2 March 1964 21 May 1965 29 April 1966 Decommissioned 24 September 1992. Disposed of through Ship-Submarine Recycling Program, 1994
Henry L. Stimson (SSBN-655) * General Dynamics Electric Boat 4 April 1964 13 November 1965 20 August 1966 Decommissioned 5 May 1993. Disposed of through Ship-Submarine Recycling Program, 1994
 (SSBN-656)George Washington Carver Newport News Shipbuilding and Drydock Co. 24 August 1964 14 August 1965 15 June 1966 Decommissioned 18 March 1993. Disposed of through Ship-Submarine Recycling Program, 1994
Francis Scott Key (SSBN-657) * General Dynamics Electric Boat 5 December 1964 23 April 1965 3 December 1966 Decommissioned 2 September 1993. Disposed of through Ship-Submarine Recycling Program, 1995
Mariano G. Vallejo (SSBN-658) * Mare Island Naval Shipyard 7 July 1964 23 October 1965 16 December 1966 Decommissioned 9 March 1995. Disposed of through Ship-Submarine Recycling Program, 1995
Will Rogers (SSBN-659) General Dynamics Electric Boat 20 March 1965 21 July 1966 1 April 1967 Decommissioned 12 April 1993. Disposed of through Ship-Submarine Recycling Program, 1994

Submarines of the Benjamin Franklin class:[2] (Submarines marked with * indicate Trident C-4 ballistic missile conversions.)

Boats in class

The sail of George Bancroft is preserved at the sail is on display at the National Museum of Nuclear Science & History[4] in Albuquerque, New Mexico. Mariano G. Vallejo's sail is preserved at Mare Island, California, where she was built.

The Benjamin Franklins were decommissioned between 1992 and 2002 due to a combination of SALT II treaty limitations as the Ohio class SSBNs entered service, age, and the collapse of the Soviet Union.[2] USS Kamehameha was decommissioned on 2 April 2002, the last ship of the Benjamin Franklin class to be decommissioned.[3]

Fate

Two submarines of this class were converted for delivery of up to 66 SEALs or other Special Operations Forces each. In the early 1990s, to make room for the Ohio-class ballistic missile submarines within the limits set by the SALT II strategic arms limitation treaty, the ballistic missile tubes of USS Kamehameha (SSBN-642) and USS James K. Polk (SSBN-645) were disabled. Those boats were redesignated special operations attack submarines and given attack submarine (SSN) hull classification symbols. They were equipped with dry deck shelters to accommodate SEAL Delivery Vehicles or other equipment.[2]

This class can be distinguished by the fairwater planes' location halfway up the sail; the Lafayettes and James Madisons had the fairwater planes in the upper front portion of the sail.

Due to the loss of classThresher SSNs.

[2]

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