The launch of the National Aeronautics and Space Administration‘s Demonstration of Autonomous Rendezvous Technology (DART) spacecraft aboard an Orbital Sciences Corp. [ORB] Pegasus XL rocket has been rescheduled for Nov. 9 from Vandenberg Air Force Base in California. The launch window will be open for seven minutes beginning at 1:07:40 p.m. EST. This will be the fourth attempt to get this experimental spacecraft into orbit to demonstrate autonomous rendezvous capabilities.