NASA and SpaceX were on track to launch NASA's Crew-10 astronauts to the space station Friday night in a mission that will also aim to return Starliner astronauts Suni Williams and Butch Wilmore.

Butch Wilmore and Sunni Williams have spent nine months aboard the International Space Station following the failure of Boeing’s Starliner mission. Their rescue rocket has finally been launched.

SpaceX aims to launch Crew-10 on Friday. The crew-swap mission will enable NASA’s Butch Wilmore and Suni Williams to return home from the International Space Station.