SpaceX Crew-3 astronauts (from left) Matthias Maurer, Thomas Marshburn, Kayla Barron and Raja Chari train at the Space Vehicle Mockup Facility.
jsc2021e023380 (June 18, 2021) — SpaceX Crew-3 astronauts (from left) Matthias Maurer, Thomas Marshburn, Kayla Barron and Raja Chari train at the Space Vehicle Mockup Facility at NASA’s Johnson Space Center in Houston, Texas.