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Meet the First Submarine Used in Combat
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The "Turtle" was the first submersible used in underwater combat. Even though it wasn’t completely successful, it did set the precedent for submersible combat. Subscribe to Science Channel: http://bit.ly/SubscribeScience #ImpossibleEngineering http://www.sciencechannel.com/tv-shows/impossible-engineering/ Check out SCI2 for infinitely awesome science videos. Every day. http://bit.ly/SCI2YT Download the TestTube app: http://testu.be/1ndmmMq
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