What do you do for a living? <a href="http://thptnhuxuan.edu.vn/index.php/stmap_535ys12.html?nateglinide.ticlid.cetirizine.viagra" rel="nofollow">phgh</a>  During a spaceflight, SpaceShipTwo will be carried to an altitude of about 50,000 feet (15,000 meters) by a mothership carrier plane called WhiteKnightTwo. Once released, the spaceship&#039;s rocket engine kicks in, launching it into suborbital space.