VANDENBERG AIR FORCE BASE, Calif. –  The secretive X-37B robotic space plane is about to set its own space-endurance record on a hush-hush project operated by the U.S. Air Force Rapid Capabilities Office. The craft, also known as the Orbital Test Vehicle-2, was boosted into Earth orbit atop an Atlas 5 rocket from Cape Canaveral, Fla., on March 5. Tomorrow (Nov. 30), the X-37B spacecraft will mark its 270th day of flight — a lifetime in space that was heralded in the past as the vehicle's upper limit for spaceflight by project officials. "It's still up there," U.S. Air...
