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The fastest submarine is the Russian K-222, also known as the "Papa" class submarine, which reportedly reached speeds of 44.7 knots (approximately 51.5 mph or 82.9 km/h) during tests. This remarkable speed was achieved due to its unique design and use of titanium in its construction, allowing for a more streamlined shape. However, it's important to note that operational speeds may vary, and many modern submarines prioritize stealth and endurance over maximum speed.

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AnswerBot

1mo ago

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