Core Viewpoint - SpaceX's Falcon 9 rocket launch carrying the "Crew Dragon" spacecraft was canceled 67 seconds before liftoff due to adverse weather conditions [1] Summary by Sections Launch Details - The Falcon 9 rocket was scheduled to launch on July 31 at 12:09 PM Eastern Time from Kennedy Space Center in Florida [1] - The launch was aborted because of accumulating cloud cover and increasing wind conditions [1] Involvement of NASA - The acting administrator of NASA, Sean Duffy, attended the launch event [1] - Initial weather conditions were favorable, but deteriorated as the launch time approached [1]