Navy / USA[美国]

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IX 529 Sea Shadow
美国IX 529“海影”试验船
    Sea Shadow is a test craft developed under a combined program by the Advanced Research Projects Agency (ARPA), the Navy, and Lockheed Martin Missiles and Space Company.. 16-01-25
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    IX 529 Sea Shadow  
    美国IX 529“海影”试验船
        Sea Shadow is a test craft developed under a combined program by the Advanced Research Projects Agency (ARPA), the Navy, and Lockheed Martin Missiles and Space Company.... [2016-01-25]