Engineering:James Madison-class submarine

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Short description: United States Navy class of fleet ballistic missile submarines
Angled view of gray submarine in river steaming towards camera. Personnel wearing high-visibility apparel are standing atop the submarine, while a tugboat spraying water is visible at the submarine's starboard side.
USS John C. Calhoun (SSBN-630) entering Holy Loch, Scotland on completion of the thousandth Polaris nuclear deterrent patrol, 18 May 1972.
Class overview
Builders:
Operators:  United States Navy
Preceded by: Script error: The function "sclass" does not exist.
Succeeded by: Script error: The function "sclass" does not exist.
Built: 1962–1964
In commission: 1964–1995
Completed: 10
Retired: 10
Preserved: 1 (as training vessel)
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)[2]
Length: 425 ft (130 m)
Beam: 33 ft (10 m)
Draft: 28 ft 6 in (8.69 m)
Propulsion:
Speed:
  • 16 knots (30 km/h) surfaced
  • 21 knots (39 km/h) submerged[2]
Test depth: 1,300 feet (400 m)[2]
Complement: Two crews of 14 officers and 126 enlisted[2]
Armament: 16 Polaris A3 or Poseidon C3 or Trident I C4 missiles, 4 × 21-inch (533 mm) torpedo tubes, 12 torpedoes[2]

The James Madison class of submarine was an evolutionary development from the Script error: The function "sclass" does not exist. of fleet ballistic missile submarine. They were identical to the Lafayettes except for being initially designed to carry the Polaris A-3 missile instead of the earlier A-2. This class, together with the Script error: The function "sclass" does not exist., Script error: The function "sclass" does not exist., Lafayette, and Script error: The function "sclass" does not exist. classes, composed the "41 for Freedom" that was the Navy's primary contribution to the nuclear deterrent force through the late 1980s. This class and the Benjamin Franklin class are combined with the Lafayettes in some references.

Design

In the early 1970s all were modified for the Poseidon C-3 missile. During the late 1970s and early 1980s, six boats were further modified to carry the Trident I C-4 missile, along with six Benjamin Franklin-class boats. These were James Madison, Daniel Boone, John C. Calhoun, Von Steuben, Casimir Pulaski, and Stonewall Jackson.[3]

Fate

The James Madisons were decommissioned between 1986 and 1995 due to a combination of SALT II treaty limitations as the Script error: The function "sclass" does not exist. SSBNs entered service, age, and the collapse of the Soviet Union.

Boats in class

Submarines of the James Madison class:[3][4] (Submarines marked with * indicate Trident I C-4 ballistic missile conversions.)

Name Hull number Builder Laid down Launched Commissioned Decommissioned Fate
missing name* SSBN-627 Newport News Shipbuilding and Drydock Co. 5 March 1962 15 March 1963 28 July 1964 20 November 1992 Disposed,[lower-alpha 1] 1997
missing name SSBN-628 General Dynamics Electric Boat 1 June 1962 22 June 1963 29 May 1964 23 July 1993 Disposed,[lower-alpha 1] 1994
missing name* SSBN-629 Mare Island Naval Shipyard 6 February 1962 22 June 1963 23 April 1964 18 February 1994 Disposed,[lower-alpha 1] 1994
missing name* SSBN-630 Newport News Shipbuilding and Drydock Co. 4 June 1962 22 June 1963 15 September 1964 28 March 1994 Disposed,[lower-alpha 1] 1994
missing name SSBN-631 General Dynamics Electric Boat 18 August 1962 2 November 1963 17 July 1964 12 June 1992 Disposed,[lower-alpha 1] 1992
missing name* SSBN-632 Newport News Shipbuilding and Drydock Co. 4 September 1962 18 October 1963 30 September 1964 26 February 1994 Disposed,[lower-alpha 1] 2001
missing name* SSBN-633 General Dynamics Electric Boat 12 January 1963 1 February 1964 14 August 1964 7 March 1994 Disposed,[lower-alpha 1] 1994
missing name* SSBN-634 Mare Island Naval Shipyard 4 July 1962 30 November 1963 26 August 1964 9 February 1995 Disposed,[lower-alpha 1] 1995
missing name SSBN-635 Newport News Shipbuilding and Drydock Co. 3 December 1962 20 December 1963 2 December 1964 31 July 1989 Converted to Moored Training Ship (MTS-635) with missile compartment removed.
missing name SSBN-636 Portsmouth Naval Shipyard 21 May 1962 12 May 1964 19 December 1964 15 December 1986 Disposed,[lower-alpha 1] 2000
  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 through the Ship-Submarine Recycling Program

See also

  • List of submarines of the United States Navy
  • List of submarine classes of the United States Navy

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 "SSBN-616 Lafayette-Class FBM Submarines" from the FAS
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 Friedman, Norman (1994). U.S. Submarines Since 1945: An Illustrated Design History. Annapolis, Maryland: United States Naval Institute. pp. 199–203, 244. ISBN 1-55750-260-9. 
  3. ↑ 3.0 3.1 Gardiner and Chumbley 1995, p.612.
  4. ↑ "FleetBallisticMissileSubmarines". http://www.submarinehistory.com/FleetBallisticMissileSubmarines.html.  California Center for Military History (dead link 2015-05-09)
  • Gardiner, Robert and Chumbley, Stephen (editors). Conway's All the World's Fighting Ships 1947–1995. Annapolis, US: 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.

Template:James Madison class submarine Template:US submarine classes after 1945



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