X-one was built to discover that space — and in the long run fly past it, getting a supersonic craft.
involving December 1963 and January 1964, Yeager finished 5 flights in the NASA M2-F1 lifting entire body. a https://ianhjwe859649.mybuzzblog.com/9465885/the-smart-trick-of-supersonic-plane-in-silver-coin-that-nobody-is-discussing