The chief executive of Virgin Galactic said Sept. 7 that the company's second suborbital spaceplane was "at the edge" of beginning powered test flights, after at least one more glide flight. SpaceNews.com
The chief executive of Virgin Galactic said Sept. 7 that the company's second suborbital spaceplane was "at the edge" of beginning powered test flights, after at least one more glide flight. SpaceNews.com