Butch Wilmore, Suni Williams and their two crewmates will depart the International Space Station at 1:05 a.m. ET on Tuesday (March 18), weather permitting.

Two NASA astronauts who have been in space for more than nine months awaiting a return trip to Earth are finally set to come home this week. Suni Williams and Butch Wilmore — who have been aboard the International Space Station since June of last year — welcomed the SpaceX Crew-10 mission with four new astronauts who are set to relieve them of their current space duties to the space station on Sunday.

NASA bumped up the return flight home plans for the SpaceX Crew-9 mission that includes a pair of astronauts who were left behind on the International Space Station by Boeing’s Starliner.