Facebook Paragon SDC promotional video Taber MacCallum. of Paragon SDC, on space life-support technology: http://www.thespaceshow.com/detail.asp?q=1577 45.3mb podcast http://www.scaled.com ( Scaled Composites / Burt Rutan [ White Knight / SpaceShipOne , and other designs]) * Scaled Composites SpaceShipTwo flight animation. Winged suborbital: Scaled Composites/Virgin Galactic vs. XCOR: http://www.parabolicarc.com/2011/08/24/virgin-galactic-vs-xcor-two-very-different-approaches/ http://www.xcor.com ( Xcor Aerospace) Jeff