Mach Number ✔

What is Mach Number? | LEARN

In October 1997, on the vast, flat expanse of Nevada’s Black Rock Desert, Andy Green etched his name into history. A former RAF fighter pilot, Green was at the controls of Thrust SSC during an audacious attempt to do something no one had ever done before: break the sound barrier on land. This wasn’t just about speed—it was about proving that supersonic travel wasn’t limited to the skies. With sonic booms echoing across the desert, the run captured the world’s attention and redefined what was tho