Two NASA astronauts stuck in orbit for nine months are finally headed home in a SpaceX craft, capping a saga that captured international attention and marked a setback for Boeing Co.’s space business.

Wilmore and Williams, both former U.S. Navy test pilots, expected to remain in orbit for about 10 days on the mission, which was called Crew Flight Test (CFT). The main goal was to show that Starliner is ready to carry astronauts to and from the ISS, so that the spacecraft can start flying operational, long-duration missions in the near future.