SpaceX launch scheduled for Wednesday will carry replacement crew for astronauts who have been stuck on the International Space Station since their troubled Starliner mission.

NASA astronauts Suni Williams and Butch Wilmore are expected to return home after spending nine months in orbit. Four astronauts are slated to launch to the International Space Station at 7:48 p.m. EDT Wednesday aboard a SpaceX Falcon 9 rocket on a mission dubbed Crew-10,

Suni Williams and Butch Wilmore have been stranded on the International Space Station since June after their spacecraft developed issues. The plan is for them to be onboard the returning mission for a SpaceX capsule taking off from Florida on Wednesday.