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|Builders:||General Dynamics Electric Boat
Mare Island Naval Shipyard
Newport News Shipbuilding
|Operators:||United States Navy|
|Preceded by:||Skate-class submarine|
|Succeeded by:||Thresher-class submarine|
Surfaced: 3075 tons (3124 t)Submerged: 3513 tons (3600 t)
|Length:||251.7 ft (77 m)|
|Beam:||31.5 ft (9.65 m)|
1 S5W PWR 15,000shp1 shaft
|Speed:||15 knots (28 km/h; 17 mph) surfaced
33 knots (61 km/h; 38 mph) submerged
|Range:||unlimited except by food.|
|Test depth:||700 ft (210 m)|
|Armament:||• 6 × 21 in (533 mm) torpedo tubes in bow
• 24 × Mark 37 torpedoes, Mark 14 torpedoes, Mark 16 torpedoes, Mark 27 torpedoes, or Mark 45 ASTOR nuclear torpedoes
The Skipjack class was a class of United States Navy nuclear submarines. This class was named after its lead ship, the USS Skipjack. This new class introduced the teardrop hull and the S5W reactor to U.S. nuclear submarines. The Skipjacks were the fastest U.S. nuclear submarines until the Los Angeles-class submarines.
The Skipjack's design was based on the successful Barbel-class submarines that were based on the USS Albacore design. The design of the Skipjacks was very different from the Skate-class submarines that preceded the Skipjacks. Unlike the Skates, this new design was maximized for underwater speed by shaping the hull like a blimp. This required that the single screw was aft of the rudders and dive planes. This so-called "body-of-revolution hull" reduced her surface sea-keeping, but was essential for underwater performance. Skipjack's hull was also a single hull design, where the pressure hull and outer hull are the same for most of the length of the ship.
The bow planes were moved to the massive sail to cut down on flow-induced noise near the bow sonar array. This design feature would be repeated on all U.S. nuclear submarines until the improved Los Angeles-class submarine. The small "turtleback" behind the sail was the exhaust piping of the auxiliary diesel generator.
The George Washington-class submarines were based on the Skipjack design. The hull of Scorpion was laid down twice as the original hull was redesigned to become the first US ballistic missile submarine George Washington. Also, the material for building Scamp was diverted into building Theodore Roosevelt, which delayed her progress.
The first Skipjack class was authorized in the FY 1956 new construction programmed with the first of the class commissioned in April 1959. Each hull cost around $40 million. The Skipjacks saw service in Vietnam and throughout the Cold War. The Skipjack-class submarines were withdrawn from service in the late 1980s and early 1990s except for the Scorpion, which sank on 5 June 1968 in the south west Azores, while returning from a Mediterranean deployment.
- USS Skipjack (SSN-585)
- USS Scamp (SSN-588)
- USS Scorpion (SSN-589)
- USS Sculpin (SSN-590)
- USS Shark (SSN-591)
- USS Snook (SSN-592)
Submarines, War Beneath The Waves, From 1776 To The Present Day, By Robert Hutchinson. Cold War Submarines: The Design and Construction of U.S. and Soviet Submarines, by Norman Polmar and K. J. Moore.
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