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Submarines
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Russia Thought This Deep-Diving Submarine Was 'Invulnerable' (Then It Sunk)
How to Make Sure the U.S. Navy Can Beat China in a War: Diesel Submarines?
Meet the Ohio-Class: America's Nuclear Doomsday Submarines
Stuck Between China and America, Vietnam Has Its Own Strategy For The South China Sea
In 1996, South Korea Discovered An Abandoned North Korean Spy Submarine (And It Almost Led To War)
Stories From Submarines
