Orbital Express: Prototype Satellites Primed for In-Flight Service

space.com — Two prototype spacecraft, one wielding its own robotic arm, are poised to launch spaceward late Thursday on a three-month mission to test methods to robotically refuel and service satellites orbiting high above Earth. Built for the Defense Advanced Research Projects Agency, the Orbital Express vehicles are aimed at demonstrating.. Mar 8, 2007 View in Crawl 4