A supersonicjet nicknamed the 'Son of the Concorde' has officially traveled faster than the speed of sound for the first time. The XB-1 demonstrator aircraft took off from the Mojave Air & ...
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 civil jet to ...