The crew-swap mission will enable NASA’s Butch Wilmore and Suni Williams to return to Earth from the International Space Station.

After their flight was scrubbed on Wednesday, four astronauts successfully lifted off, which will allow two NASA astronauts to return to Earth after an unexpected extended stay in orbit.

SpaceX launched another batch of Starlink satellites into orbit, a little more than 12 hours after the private company teamed up with NASA to send four astronauts to the International Space Station -- also from Florida.