[...] instead of blasting off on a delivery mission to the space station, the rocket stayed on its launch pad amid a cloud of engine exhaust. The California-based company ? formally known as Space Exploration Technologies Corp. ? is targeting every third day for a launch attempt to save fuel in case of rendezvous problems at the space station. NASA is looking to the private sector to take over flights to orbit in the post-shuttle era. "Go SpaceX," read the sign outside Cape Canaveral City Hall. [...] NASA's space shuttles retired last summer, the sign had urged on the launches of Discovery, Endeavour and, finally, Atlantis. Late last month, SpaceX conducted a test firing of the nine first-stage rocket engines at the pad.
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