SpaceX Crew-3 Mission Specialist Matthias Maurer is pictured during preflight training at SpaceX headquarters.
jsc2021e038361 (Aug. 25, 2021) — ESA (European Space Agency) astronaut and SpaceX Crew-3 Mission Specialist Matthias Maurer is pictured during preflight training at SpaceX headquarters in Hawthorne, California. Credit: SpaceX