Four astronauts will soon launch to the space station — a flight that will kick off a series of events culminating in the long-awaited return of NASA astronauts Suni Williams and Butch Wilmore.

Crew-10 astronauts will board SpaceX Falcon 9 rocket to International Space Station, which sets up the return to Earth of Butch Wilmore, Suni Williams

Launch is a "go" for the SpaceX Dragon, which will carry a team of astronauts to the International Space Station Wednesday in order to finally relieve Butch Wilmore and Suni Williams, who have been stuck in space since last June.