Virgin Galactic delays its first commercial research space flight to mid-October

Virgin Galactic is dealing with yet more setbacks for its paid spaceflights. Reuters reports Virgin has delayed its first commercial research flight, Unity 23, to no sooner than mid-October. The mission was originally scheduled for late September or early October, but a supplier warned of a possible "manufacturing defect" in the flight control actuation system, Virgin said. (www.engadget.com) 更多...