A robotic moon lander built by Houston-based aerospace company Intuitive Machines was set for launch early on Wednesday on a NASA mission to conduct the first U.S. lunar touchdown in more than a half century and the first by a privately owned vehicle. The company's Nova-C lander, dubbed Odysseus, was due for liftoff shortly before 1 a.m. EST (0600 GMT) atop a SpaceX Falcon 9 rocket from NASA's Kennedy Space Center in Cape Canaveral, Florida. The launch comes a month after the lunar lander of another private firm, Astrobotic Technology, suffered a propulsion system leak on its way t...