X-1 was meant to explore that Area — and in the end fly beyond it, starting to be a supersonic craft. Repairs took numerous weeks to finish plus a next flight was scheduled for mid-August. On 22 August 1951, the X-1D https://honeyvgow608977.theobloggers.com/36007565/how-much-you-need-to-expect-you-ll-pay-for-a-good-the-first-supersonic-plane-in-the-us-by-chuck-yeager