Rocketeers

In the more than forty years since the first human left the atmosphere of Earth, no one had ever done so without the help of a government agency. That changed on June 21, 2004, when SpaceShipOne, built by aircraft designer Burt Rutan, entered space and ushered in the commercial space age.Investment capital began to pour into the new commercial spaceflight industry. Richard Branson's Virgin Galactic will begin ferrying space tourists out of the atmosphere in 2009. Las Vegas hotelier Robert Bigelow is spending $500 million of his personal fortune to develop the world's first commercial space…