First Crewed SpaceX Flight Tomorrow: NASA astronauts Douglas Hurley (left) and Robert Behnken are seen as they depart the Neil A Armstrong Operations and Checkout Building for Launch Complex 39A during a dress rehearsal prior to the Demo-2 mission launch at NASAu2019s Kennedy Space Center in Florida. NASAu2019s SpaceX Demo-2 mission is the first launch with astronauts of the SpaceX Crew Dragon spacecraft and Falcon 9 rocket to the International Space Station as part of the agencyu2019s Commercial Crew Program. Behnken and Hurley are scheduled to launch at 4:33 pm EDT tomorrow, May 27. A new era of human spaceflight is set to begin as American astronauts once again launch on an American rocket from American soil to low-Earth orbit for the first time since the conclusion of the Space Shuttle Program in 2011. (AFP)