NASA and SpaceX on Friday will count down to a long-awaited crewed rocket launch that will allow them to bring home U.S. astronauts Butch Wilmore and Suni Williams, who have been stuck on the International Space Station for nine months.

After some uncertainty and a few delays, the SpaceX mission to send a relief crew for the space station's current astronauts is set to lift off later this evening (March 14). A SpaceX Falcon 9 rocket is poised to launch the Crew-10 mission for NASA,