A German astronaut is set to become the 600th person to enter space and he will do so flying with a U.S. astronaut who once came close to being number 500.
L+600 and counting: ESA astronaut to be 600th person in space on SpaceX Crew-3 launch : Read more
L+600 and counting: ESA astronaut to be 600th person in space on SpaceX Crew-3 launch : Read more