Improved LOS ANGELES Class
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LOS ANGELES (SSN 688I) Class Submarine (Bow Planes) (Stand Mounted) |
$125.00 |
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Made in the USA |
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Description: Features: The SSN-688I is a nuclear-powered attack submarine designed to deal with both enemy submarines and surface combatants. It has a largely cylindrical pressure hull in place of the Albacore hull adopted by the Permit and Sturgeon classes. The pressure hull itself is thinner than the earlier designs, reducing safe diving depths. The submarine structure itself is a single-hull design in which the pressure hull also forms the outer skin of the hull. The only exception to this is the bow and stern where an outer hull sheaths the sonar domes and ballast tanks. These design features all relate to a concentration on speed over other characteristics. The 23 688I hulls (for improved), are quieter, incorporate an advanced BSY-1 Sonar Suite/Combat Systems and the ability to lay mines from their torpedo tubes. They are configured for under-ice operations in that their forward diving planes have been moved from the sail structure to the bow and the sail has been strengthened for breaking through ice. The primary weapon systems of the class are the Mark 48 torpedo and the UGM-109 Tomahawk cruise missile. The Los Angeles class is powered by an S6G reactor derived from the D2G powerplant of the CGN-25 class cruisers. All boats are equipped with a Fairbanks-Morse 38D8Q diesel-powered electric generator and batteries for emergency operations. Background: The maximum speeds of American attack submarines had been dropping through the earlier SSN-594 Permit and SSN-637 Sturgeon programs since the roles adopted by those boats placed greater emphasis on silence than on speed. The SSN-688 was conceived as a limited production special role boat in which these priorities would be reversed. The new class also took advantage of technological advances in undersea detection and weapons development. These improvements included an improved long-range detection and tracking sonar, improved torpedo fire control, a dual inertial navigation system, improved noise reduction and a rubber sonar dome in the bow. In 1969, the US Navy awarded the SSN-688 class design contract to Newport News Shipbuilding & Drydock. This was the first time that Newport News served as the design yard for a submarine and the first time that General Dynamics, Electric Boat Division, or a naval shipyard did not perform this role. The first SSN-688 contracts were issued in January 1971. Seven went to General Dynamics' Electric Boat Division and five to Newport News. The early construction history was marred by repeated cost overruns and a running dispute between the US Navy and Electric Boat.
General
Characteristics, LOS ANGELES (SSN 688I) Class Builder: Newport News Shipbuilding Co.; General Dynamics Electric Boat Division. Date Deployed: June 8, 1988 (USS San Juan) Propulsion: One nuclear reactor, one shaft. Length: 360 feet (109.73 meters). Beam: 33 feet (10.06 meters). Displacement: Approximately 6,900 tons (7,011 metric tons) submerged. Speed: 20+ knots (23+ miles per hour, 36.8+ kph). Crew: 13 Officers, 121 Enlisted. Armament: Tomahawk missiles, VLS Tubes (12), MK-48 torpedoes, four torpedo tubes. COMPILED FROM : UNITED STATES NAVY FACT FILE |
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