An international flight from the United States to Europe that takes four hours? That might sound like a fairy-tale to frequent travelers, but supersonic international flights could actually be a reality in the near future.
What is Supersonic Air Travel?
A supersonic aircraft is any that’s able to fly faster than the speed of sound. No, this isn’t the sci-fi technology that is may sound like. These aircrafts have been used for military purposes since the end of the 20th century.