Aerospace & Defense
K-222 reached 44.7 knots submerged, roughly 51 miles per hour, from two reactors and 80,000 shaft horsepower. No crewed submarine has publicly surpassed it....
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K-222 reached 44.7 knots submerged, roughly 51 miles per hour, from two reactors and 80,000 shaft horsepower. No crewed submarine has publicly surpassed it....