During a speech to the International Astronautical Congress in Adelaide, Australia, Elon Musk announces that he intends that his company SpaceX construct a fully reusable transportation system consisting of a large booster rocket and a spacecraft with more pressurized passenger space than an Airbus A380 capable of reaching low Earth orbit, the moon, and Mars and of transporting about 100 people anywhere on Earth within an hour, reaching speeds of almost, 17000 mph .