United Airlines will buy 15 supersonic planes from start-up Boom Supersonic
United Airlines will buy 15 supersonic planes from start-up Boom Supersonic
www.cnbc.com United Airlines will buy 15 ultrafast airplanes from start-up Boom Supersonic
Boom says its first commercial supersonic jet, the Overture, will fly at Mach 1.7 and cut some flight times in half.
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