Boom Supersonic aims to fly 'anywhere in the world in four hours for $100'

US startup Boom Supersonic is developing a Mach 2.2 airplane that's more than twice as fast as today's commercial jets. But the long-term goal, its CEO tells CNN, is to "fly anywhere in the world in four hours for $100."
Read more: https://www.cnn.com/travel/article/boom-supersonic-four-hours-100-bucks/index.html?source=Snapzu