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Le X-15 à Mach 7 : une vidéo historique - LF5422's Blog
La fiche wikipedia : https://en.wikipedia.org/wiki/North_American_X-15 This educational HD video describes how the X-15 Aircraft was designed and built by North American Aviation. Engineered to be the world’s fastest aircraft, the North American X-15 was a hypersonic rocket-powered aircraft operated by the USAF and the National Aeronautics and Space Administration (NASA) as part of the X-plane experimental …