Naval News and Photos with David Arkwright: Royal Navy T-class submarine HMS Thorough, built in 1942, claims to be the 1st sub to complete a globe circumnavigation, not to confuse with USS Triton that was the 1st submerged circumnavigation in 1960.

Saturday, October 28, 2023

Royal Navy T-class submarine HMS Thorough, built in 1942, claims to be the 1st sub to complete a globe circumnavigation, not to confuse with USS Triton that was the 1st submerged circumnavigation in 1960.

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