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USS PATRICK HENRY (SSBN 599) becomes the first Polaris
submarine to arrive in Holy Loch, Scotland, set a new
underwater duration record of 66 days and 22 hours on patrol
08 MAR 1961
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by Brad Williamson

USS Patrick Henry first polaris submarine to arrive in Holy Loch, Scotland, set a new underwater cruising record of 66 days and 22 hours on patrol.

 

From "Nuclear Powered Submarines", November 1964, United States Atomic Energy Commision/Division of Technical Information

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