X-33 is a nasa single stage to orbit subscale test vehicle of the Venture Star. Developed by NASA and Lockheed Martin Skunk Works.
Gunter's Space Page - Information on Launch vehicles, Satellites, Space Shuttle and Astronautics
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“See @SpaceX's Rocket-Landing Near Miss in This Amazing Video”
Virgin Galactic will allow you to get in space for $200,000 after your three days of training in New Mexico. This new Virgin Spaceship will be launched in
Saturn V http://space-pics.tumblr.com/