Which Microsoft co-founder was involved in the SpaceShipOne space program?
SpaceDev SpaceDev, a part of the "Space Systems Business" of Sierra Nevada Corporation, is prominent for its spaceflight and microsatellite work. It designed and built components for the hybrid rocket motors for Paul Allen's Tier One suborbital SpaceShipOne space program operated by Scaled Composites. It is also developing micro- and nano-satellites, a small expendable launch vehicle, the SpaceDev Streaker, and has designed a piloted suborbital and orbital spaceship of its own, the SpaceDev Dream Chaser, in collaboration with NASA.
Mojave Aerospace Ventures Mojave Aerospace Ventures (MAV) is a company founded by Paul Allen and Burt Rutan to handle the commercial spinoffs from the Tier One project. It owns the intellectual property arising from Tier One, and it is in turn owned by Paul Allen (the majority shareholder) and Burt Rutan. In 2004, it signed a deal with Virgin Galactic to develop the Virgin SpaceShip, a suborbital spacecraft, for space tourism. Virgin Group and Scaled have subsequently formed a joint venture, The Spaceship Company, to manufacture the spacecraft.