NASA astronauts Sunita Williams and Butch Wilmore are returning to Earth on March 18, after over nine months on the ISS. They’ll splash down off Florida at 5:57 pm (21:57 GMT), marking the end of their extended mission.

NASA astronaut Williams, Williams, along with astronaut Butch Wilmore, is returning to Earth after spending more than nine months at the ISS.

The ISS will bid farewell to the Crew-9 astronauts as they return to Earth aboard the Dragon spacecraft. NASA and SpaceX are monitoring weather for their scheduled splashdown off the coast of Florida.