Schwerer Gustav Biggest Gun Ever Used in Combat Top Secret Weapons Revealed

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=Hf3fgfHoTOc

Subscribe to Military Channel! | http://www.youtube.com/subscription_c... • German engineers create a beastly cannon so large that it requires custom tracks to transport it. | For more, visit http://military.discovery.com/tv/top-...

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