Virgin Galactic teams up with NASA to develop ‘high-Mach’ aviation that could transport civilians
Concorde was a turbojet-powered supersonic passenger jet that was operated until 2003. It had a maximum speed over twice the speed of sound at Mach 2.04 (1,354 mph or 2,180 k per hour at cruise altitude) and could seat 92 to 128 passengers. It was first flown in 1969, but needed further tests to establish … Read more