On October fourteen, 1947: Captain Chuck Yeager defied the authorities when he flew a lot quicker than Mach 1, the velocity of seem, and lived to inform The story. This remarkable feat put the United states in advance https://shanialckt711749.mpeblog.com/53608517/the-fact-about-the-first-silver-coin-with-the-supersonic-plane-that-no-one-is-suggesting