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 @ISIDEWITHlinked…1yr1Y

‘Son of Concorde’ jet soars at supersonic speed for the first time ever paving way toward 3.5 hour London-NYC flights

https://thesun.co.uk

THE ‘Son of Concorde’ XB-1 jet has successfully reached supersonic speeds today, breaking the sound barrier for the first time. The milestone makes the XB-1 the first US-built

 @ISIDEWITHlinked…1yr1Y

Moment civilian jet breaks sound barrier in test flight

https://bbc.com

The XB-1 aircraft, manufactured by Boom Supersonic, underwent 11 test flights before Tuesday's over the Mojave Desert in California.