American Airlines to buy up to 20 supersonic jets as it bets on ultra-fast travel - The Globe and Mail

American has made a non-refundable deposit on the initial 20 Overture jets

The XB-1 demonstrator aircraft that Boom Supersonic is using to test more than 50 years of improvements in technology for their proposed aircraft, Overture, with which they hope to resurrect commerci… [+1524 chars]

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