US-SPACE-SPACEX-NASA

Crew-4 mission astronauts (from L) Bob Hines, Kjell Lindgren, Jessica Watkins and Samantha Cristoforetti of the European Space Agency walk out of the Neil A. Armstrong Operations and Checkout Building en route to launch complex 39A at the Kennedy Space Center in Florida on April 27, 2022. The rocket will ferry the Crew Dragon spacecraft with NASA astronauts to the International Space Station. Their flight is the fourth crewed operational mission of a Crew Dragon spacecraft and the seventh overall crewed orbital flight since the United States resumed crewed space flight in May of 2020. (Photo by Gregg Newton / AFP) (Photo by GREGG NEWTON/AFP via Getty Images)