"Patricia Grace Smith, associate administrator for commercial space transportation at the Federal Aviation Administration (news - web sites), presents SpaceShipOne pilot Mike Melvill the department's first commercial astronaut wings during a news conference Monday, June 21, 2004, in Mojave, Calif. SpaceShipOne is a privately developed rocket plane that became the world's first commercial manned space vehicle and the first non-governmental flight to leave the Earth's atmosphere." (AP Photo/Gene Blevins) 