NASA's X-59 jet broke the sound barrier for the first time on Friday (June 5), reaching a top speed of about Mach 1.1.
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Going supersonic! NASA's X-59 jet breaks sound barrier for the 1st time
NASA's X-59 jet broke the sound barrier for the first time on Friday (June 5), reaching a top speed of about Mach 1.1.

Image: Space.com
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