Commercial travel at Mach 2 could be here within just a few years.
Boom Supersonic is going all in on its Mach 2.2 supersonic airliner and plans to have a small-scale prototype flying this year.
The low-boom aircraft could be certified to operate in areas where noise restrictions normally prevent supersonic flight.
We look at audacious airborne concepts that might revolutionizes the way we get around . . . someday.