In Album: Judy Gilford's Timeline Photos
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Michael Blankenship
In the book "Man-made UFOs..." from 1994 the author describes the invention of sucked-wing aircraft around the 1930s. By drawing air in through the upper surface of the wing they were able to remove the shockwave from hypersonic flight entirely. Next, the engineers tried to determine what kind of fu... View More
Man-made UFOs 1944-1994 : 50 years of suppression : Vesco, Renato : Free Download, Borrow, and Streaming : Internet Archive
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