NASA X-59 Quesst: The $1.5 Billion Quiet Supersonic Jet That Broke Mach 1.4 Without a Boom

NASA X-59 Quesst: The $1.5 Billion Quiet Supersonic Jet That Broke Mach 1.4 Without a Boom

NASA X-59 Quesst – The quiet supersonic experimental aircraft that broke Mach 1.1 on June 5, 2026. (Image: NASA / Lockheed M...

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