Guinness World Records - Officially Amazing

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For the record

  • Who: Russian Alpha Class

  • What: Fastest military submarine

  • Where: Russia

The Russian Alpha class nuclear-powered submarines had a reported maximum speed of over 40 knots (74 km/h or 46 mph) and, were believed capable of diving to 760 m (2,500 ft). It is believed that only one now remains in service, as a trials boat.

 

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