From left to right, NASA astronauts Jessica Watkins, Robert Hines, and Kjell Lindgren, and ESA (European Space Agency) astronaut Samantha Cristoforetti, wearing SpaceX spacesuits, are seen as they prepare to depart the Neil A. Armstrong Operations and Checkout Building for Launch Complex 39A during a dress rehearsal prior to the Crew-4 mission launch, Wednesday, April 20, 2022, at NASA’s Kennedy Space Center in Florida. NASA’s SpaceX Crew-4 mission is the fourth crew rotation mission of the SpaceX Crew Dragon spacecraft and Falcon 9 rocket to the International Space Station as part of the agency’s Commercial Crew Program. Lindgren, Hines, Watkins, and Cristoforetti are scheduled to launch on April 23 at 5:26 a.m. EDT, from Launch Complex 39A at the Kennedy Space Center. Photo Credit: (NASA/Aubrey Gemignani)