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USS Halibut Sub Brief

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Sweden's ATOMIC Submarine

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Tragic Loss of K-129 Ballistic Missile Submarine

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Type 212A Sub Brief

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Titanium Submarines: The Soviet Secret Which Shocked The West (Really)

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330 Feet Below: The Incredible Discovery Of The Lost WW2 Submarines | Dive Detectives

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688 SSN Sub Brief

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The World's First Nuclear Submarine USS Nautilus SSN-571