Boeing's Starliner
Boeing's Starliner launched its first crewed mission earlier this month.
  • Two astronauts will be at the ISS for longer than planned, following issues with Boeing's Starliner.
  • The spacecraft has experienced helium leaks and thruster failures during its first crewed launch.
  • NASA and Boeing have pushed back Starliner's return to June 26 to review data from the mission.

Two NASA astronauts have been left waiting to return home from the International Space Station because of issues with Boeing's Starliner spacecraft.