These submarines are reported to be as quiet at their cruising speed of 20 knots (37 km/h 23 mph) or more than the previous Lafayette-class submarines were at 6 knots (11 km/h 6.9 mph), although exact information remains classified. The class's design allows the warship to operate for about fifteen years between major overhauls. These hatches allow rapid transfer of supply pallets, equipment replacement modules, and machinery components, significantly reducing the time required for replenishment and maintenance of the submarines. To decrease the time in port for crew turnover and replenishment, three large logistics hatches have been installed to provide large-diameter resupply and repair access. Each of these submarines is provided with two complete crews, called the Blue crew and the Gold crew, with each crew serving typically on 70- to 90-day deterrent patrols. The Ohio-class submarines were designed specifically for extended war-deterrence patrols. Two classes of the Russian Navy's submarines have larger total displacements: the Soviet-designed Typhoon-class submarines have more than twice the total displacement, and Russia's Borei-class submarines have roughly 25 percent greater displacement, but the Ohio-class boats carry more missiles than either: 24 Trident missiles per boat, versus 16 missiles for the Borei class (20 for the Borei II) and 20 for the Typhoon class. The Ohio-class submarines are the largest submarines ever built for the U.S. states, which until that point was a tradition reserved for battleships and cruisers. Although the Trident missiles have no pre-set targets when the submarines go on patrol, the warships, when required, are capable of quickly being assigned targets by using secure and constant radio communications links at sea, including very low frequency (VLF) systems.Īll the Ohio-class submarines, except for USS Henry M. Th he 14 Trident II SSBNs together carry approximately fifty percent of the total US active inventory of strategic thermonuclear warheads. The Ohio class is named after the lead submarine of this class, USS Ohio. The navy has 18 Ohio-class submarines: 14 ballistic missile submarines (SSBN) and four that were later converted to guided missile submarines (SSGN). The Ohio class is a class of nuclear-powered submarines currently used by the United States Navy. New and inproved ag1 and ag2 for torpedos now with warheads and can shoot missles. Auto Credit Based on Boeingaerospace's USS Ohio
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