http://www.newsweek.com/when-nasa-rocket-launch-black-brant-xii-takeoff-wallops-postponed-again-1591125 > NASA has postponed a rocket launch from its facility in Wallops, Virginia, for the sixth time. > The agency's Black Brant XII rocket was originally due to take off at 7:58 p.m. ET on Friday, May 7. Weather conditions over the past few days have prevented the launch, with winds not in the required range for a safe takeoff.