"If we decide to do it, be able to traverse the world in an hour, travel at 21,000 miles an hour."@JoeBiden suggests commercial aircraft will fly at 21,000 miles an hour in next decade.
— Washington Examiner (@dcexaminer) April 9, 2021
You know, 48 TIMES FASTER than the speed of sound.https://t.co/QN4Gb8uvXk
Friday, April 09, 2021
Biden suggests commercial aircraft will fly at 21,000 miles an hour in next decade
