NASA astronauts Shannon Walker, left, Victor Glover, second from left, Mike Hopkins, second from right, and Japan Aerospace Exploration Agency (JAXA) astronaut Soichi Noguchi, right, wearing SpaceX spacesuits, stop to pose for a picture as they walk out of the Neil A. Armstrong Operations and Checkout Building, to depart for Launch Complex 39A during a dress rehearsal prior to the Crew-1 mission launch. (NASA)