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A death-defying jump from space — pilot becomes first skydiver to break sound barrier: Today in history | Calgary Herald
Chuck Yeager, 1st pilot to break the sound barrier, is dead at 97 | Space
Breaking the Sound Barrier: Chuck Yeager and the Bell X-1 | National Air and Space Museum
Bullet planes, fatal crashes – and the top secret British project to break the sound barrier first | National Geographic
This Month in Physics History
The first man to break the sound barrier, Chuck Yeager, dies
Chuck Yeager, pilot who was first to break sound barrier, dies at 97 | US military | The Guardian
