Rubis-class submarine

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Abstract is: The Rubis class is a series of nuclear-powered attack submarines operated by the French Navy. The class comprises six vessels, the first entering service in 1983 and the last in 1993, with another two being cancelled. All six submarines of the Rubis class are based at Toulon and are part of the Escadrille de sous-marins nucléaires d'attaque. Smaller than contemporary designs of other major world navies, the Rubis class shares many of its system designs with the conventionally-powered Agosta class. In the late 1980s, the Rubis class was proposed as an export to Canada in their plan to acquire nuclear-powered submarines. The submarines of the class were built in two batches, with the final two built to an improved standard to reduce noise emissions that plagued the original design. Dubbed the AMÉTHYSTE rebuild, the first four hulls were refitted to its standard until they were practically indistinguishable from the final two hulls. Four of the submarines have had significant incidents in their careers and one, Saphir has been taken out of service. The French Navy plans to replace the Rubis class with the Suffren-class submarines.

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Rubis-class submarine is …