American Airlines is placing a bet on a future in which supersonic jets might return to the skies, shuttling passengers on some routes at speeds roughly twice as fast as current commercial aircraft.
원문출처 : https://www.cnn.com/2022/08/16/tech/american-airlines-boom-supersonic-jets/index.html
원문출처 : https://www.cnn.com/2022/08/16/tech/american-airlines-boom-supersonic-jets/index.html