Boom Supersonic, the aerospace company building the world's fastest airliner, has unveiled its Supersonic demonstrator, XB-1. It is history's first independently developed supersonic jet. XB-1 is an important milestone towards the development of Boom's commercial airliner, Overture. The supersonic passenger jet aims to be the next-generation Concorde. Blake Scholl, boom founder & CEO, says: "Boom continues to make progress towards our founding mission, making the world dramatically more accessible."