RT @SpaceflightNow: SpaceX fired the nine-engine first stage of its Falcon 9 rocket in Florida on Saturday ahead of March 16 launch. http:/spaceflightnow.com/falcon9/009/14…
RT @SpaceflightNow: SpaceX fired the nine-engine first stage of its Falcon 9 rocket in Florida on Saturday ahead of March 16 launch. http:/spaceflightnow.com/falcon9/009/14…