Chuck Yeager and others describe how he broke the seemingly unbreakable sound barrier on October 14, 1947. By hitting Mach 1, Yeager created the first sonic boom and passed through the sound barrier.
Comment |
Chuck Yeager and others describe how he broke the seemingly unbreakable sound barrier on October 14, 1947. By hitting Mach 1, Yeager created the first sonic boom and passed through the sound barrier.
Comment |