Longest submerged patrol
Last updated: September 18, 2017 at 4:27 am
111 days – The longest known submerged patrol was done by HMS Warspite (1982-83) in the South Atlantic. During that time the submarine covered the distance of 30,804 nautical miles (57,085 km). The Commanding Officer reportedly missed his wedding by a week as a result of the extended patrol.
Navy News | Royal Naval Association
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Jeffrey Gallant is the Editor-in-Chief and Records Keeper of the Diving Almanac. He is also a contributing editor of DIVER Magazine, and the scientific director of the Greenland Shark and Elasmobranch Education and Research Group (GEERG). Jeffrey started diving in 1982.