SpaceX Crew-3 astronauts pose for a portrait during preflight training at SpaceX headquarters.
jsc2021e038353 (May 6, 2021) — SpaceX Crew-3 astronauts (from left) Matthias Maurer, Thomas Marshburn, Raja Chari and Kayla Barron pose for a portrait during preflight training at SpaceX headquarters in Hawthorne, California. Credit: SpaceX