What experimental aircraft did Yeager fly to break the sound barrier?
X-15
Bell X-2
Bell X-1
SR-71 Blackbird
Answer
Yeager flew the Bell X-1 to break the sound barrier in 1947. This aircraft was developed by the Bell Aircraft Corporation and was powered by a rocket engine. The X-1 was designed to fly at speeds of up to Mach 1, which is the speed of sound.