
Virgin Galactic's SpaceshipTwo aircraft
Virgin Galactic, which intends to become the world's first commercial company to promote space tourism, has already collected 45 million dollars in deposits from more than 330 people who have reserved seats aboard the six-person craft. Branson also has visions of establishing hotels in space, which well-heeled tourists can use as a base for shuttle flights over the moon. Under Branson's plan, the SpaceshipTwo craft is to be launched into space with the help of mothership White Knight Two (WK2). WK2 will carry SpaceshipTwo to an altitude of around 16 kilometres (50,000 feet) before dropping the smaller spaceship and allowing it to fire up its rocket motor to blast up to the brink of space. Once it has reached suborbital space, SpaceShipTwo passengers will be able to view the Earth from portholes next to their seats, or unbuckle their seatbelts and float in zero gravity.

