15 Bizarre Experimental Aircraft

https://i.ytimg.com/vi/EWzGDOEi_HI/hqdefault.jpg From the Lockheed Martin X-56 to the amazing Flaming Pencil, here are 15 Bizarre Experimental Aircraft. Subscribe to Knowledge Feed for awesome mysteries, discoveries, fun topics and all around […]

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The Fastest Aircraft in History : Very Cool Classic Documentary on the 4250 mph X-15 by NASA

https://i.ytimg.com/vi/g3NaSx1yPJo/hqdefault.jpg The Fastest Aircraft in History : Very Cool Classic Documentary on the 4250 mph X-15 by NASA. This is a great Documentary, as are the rest of the documentaries […]

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