SpaceX launch: X-37B space plane mission hits 600 DAYS – what we know of secret mission X-37B – a military space plane blasted into orbit by a SpaceX Falcon 9 rocket – has now surpassed its 600th day on its top-secret space mission. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Nasa scientists discover three planets which could support ALIEN lifeCommercial space travel WITHIN THREE YEARS on flights to launch from BRITAINMars is forming PLANETARY RINGS just like Saturn as its moons are CRUMBLINGA Sunken Treasure Will Appear in New York Despite Its Controversial Excavation'OVERDUE' California set for CATASTROPHIC floods as experts warn of 200-year phenomenonALIEN BREAKTHROUGH: Nasa discovers ‘exciting’ planets that likely support LIFE