RT @SpaceflightNow: Observers have found Air Force’s X-37B mini shuttle in its no-longer-secret orbit around Earth spaceflightnow.com/2015/05/27/x-3… http://t.co/rQW29ggPb1
RT @SpaceflightNow: Observers have found Air Force’s X-37B mini shuttle in its no-longer-secret orbit around Earth spaceflightnow.com/2015/05/27/x-3… http://t.co/rQW29ggPb1