NASA astronaut Robert Hines gestures to family and friends as he and crew mates NASA astronauts Kjell Lindgren, Jessica Watkins, and ESA (European Space Agency) astronaut Samantha Cristoforetti, wearing SpaceX spacesuits, depart the Neil A. Armstrong Operations and Checkout Building for Launch Complex 39A to board the SpaceX Crew Dragon spacecraft for the Crew-4 mission launch, Tuesday, April 26, 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 at 3:52 a.m. ET on April 27, from Launch Complex 39A at the Kennedy Space Center. Photo Credit: (NASA/Aubrey Gemignani)