Crew-9 became the first SpaceX mission that took only two astronauts to the ISS. SpaceX’s Crew Dragon capsules typically transport four astronauts.
Two astronauts who have been stuck on the International Space Station (ISS) since June, 2024 are scheduled to return to Earth ...
while also not accepting more risk than necessary for its crew" after Starliner had "helium leaks" and "issues with the spacecraft reaction control thrusters" while docking with the ISS in June.