X-1 was intended to investigate that Place — and in the long run fly past it, starting to be a supersonic craft. Repairs took many weeks to finish plus a second flight was scheduled for mid-August. On 22 August 1951, https://saadubaw736799.pointblog.net/5-simple-statements-about-the-first-supersonic-plane-in-the-us-by-chuck-yeager-explained-71555415