Aboard the International Space Station, Expedition 68 astronaut Samantha Cristoforetti oif ESA (European Space Agency) handed over command of the station to Roscosmos cosmonaut Sergey Prokopyev during a change of command ceremony October 12. Farewell remarks by Cristoforetti and NASA astronauts Kjell Lindgren, Bob Hines and Jessica Watkins preceded the change of command. The off-going Crew-4 astronauts are headed home to complete a six-month mission on the orbital outpost. Join NASA as we go forward to the Moon and on to Mars — discover the latest on Earth, the Solar System and beyond with a weekly update in your inbox.
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