A SpaceX Dragon capsule, riding atop one of the company’s Falcon 9 rockets, carried the four Crew-10 astronauts — NASA’s Anne McClain and Nichole Ayers, Takuya Onishi of the Japan Aerospace Exploration Agency,

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.