2014年12月29日 星期一

Virgin Galactic at ISPCS

Looking Back at Virgin Galactic at ISPCS 2014, SpaceRef Business "Two weeks before the tragedy that saw Virgin Galactic's SpaceShipTwo crash on a test flight, the company was out in full force at the annual International Symposium for Personal and...



from NASA Watch http://nasawatch.com/archives/2014/12/virgin-galactic-8.html

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