SpaceShipTwo’s test drive

SpaceShipTwoSpace passenger line Virgin Galactic tests the Burt Rutan-designed suborbital SpaceShipTwo spacecraft VSS Enterprise at an altitude of over ten miles, reaching a speed of over Mach 1. Virgin’s official report is that the test flight was a complete success; no date is set for a suborbital test flight yet. Virgin is expected to build four more vehicles of the SpaceShipTwo class before moving on to a more advanced design, SpaceShipThree.