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In page Bay of Biscay:

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On 12 April 1970, Soviet submarine K-8 sank in the Bay of Biscay due to a fire that crippled the submarine's nuclear reactors. An attempt to save the sub failed, resulting in the death of forty sailors and the loss of four nuclear torpedoes. Due to the great depth (15,000 ft or 4,600 m), no salvage operation was attempted.[citation needed]