Update: After abnormally high pressures were detected inside the Falcon 9's center engine, this morning's launch was aborted at the last second. The next available launch window is this Tuesday.
Tomorrow morning, whether they realize it or not, Americans will likely wake up to a new era. Though nothing will be outwardly different, a fundamental shift in the nature of spaceflight will commence during the wee morning hours. Call it a defining moment, or a milestone, or simply call it what it is: the dawn of the private spaceflight industry’s real presence in outer space.