NASA Research Plan Adds Low-noise, High-speed Bizjets
Agency plots research over next 20 years
NASA's X-59 supersonic demonstration aircraft in Palmdale, California on flight line (Photo: Lockheed Martin))
NASA's Mach 1.4 X-59 aircraft, developed in concert with Lockheed Martin, is nearing first flight as it moved to the flight line in preparation for ground tests. (Photo: Lockheed Martin)

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