Microsoft Billionaire Paul Allen Launches New Space Venture 0 Rightwingconspirator ScienceDecember 2011Thursday, December 15, 2011 at 12:00 pm PST • Views: 1,658 wired.com Video Aerospace Air-launched Booster Rocket Airport-like Operations Elon Musk Engineer Burt Rutan Low Earth Orbit Paul Allen Spacecraft SpaceX Stratolaunch Systems