Crew-4机组人员在返航前合影
NASA’s SpaceX Crew-4 members Jessica Watkins, Bob Hines, Kjell Lindgren, and Samantha Cristoforetti link arms for a portrait on Oct. 14, 2022, just before boarding the Dragon Freedom crew ship and undocking from the International Space Station. During their nearly six-month science expedition aboard the orbiting laboratory, the Crew-4 astronauts continued wo...