A SpaceX Falcon 9 rocket sent four astronauts to space. The Dragon capsule is part of the plan to return two astronauts to Earth left on the ISS after Boeing had issues with its spaceship.

The replacements for NASA’s two stuck astronauts launched to the International Space Station on Friday night, paving the way for the pair’s return after nine long months. Butch Wilmore and Suni Williams need SpaceX to get this relief team to the space station before they can check out.

NASA will livestream the launch Friday night of Crew-10, which will in part replace the Starliner astronauts at the International Space Station.

ABC News’ Terry Moran speaks to space industry expert Eric Ingram about SpaceX’s launch of astronauts to the International Space Station to relieve two Americans whose trip was extended unexpectedly.