History -- Modern Marvels Breaking The Sound Barrier romancem drama Join AMERICA'S CASTLES for a

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History -- Modern Marvels Breaking The Sound Barrier romancem drama Join AMERICA'S CASTLES for aFor decades, the sound barrier loomed as an impenetrable wall against manned flight that buffeted planes with shock waves as they approached the speed of sound. Scientists thought the barrier couldn't be breached until the development of jet technology and rocket fuel at the end of WWII. This is the dramatic story, told through the eyes of many who were there, of the work leading up to October 10, 1947, when 24 year old test pilot Chuck Yeager smashed