Butch Wilmore and Suni Williams, who’ve been at the space station since June, will return to Earth along with two Crew-9 astronauts.

The two Boeing Starliner astronauts left behind on the International Space Station are back on Earth, ending an odyssey that turned a planned eight-day trip into more than 9 1/2 months in space.

Sunita Williams and Barry Wilmore departed the International Space Station (ISS) early on Tuesday morning and splashed down off the coast of Florida after a journey of 17 hours. Boeing’s Starliner, their original return spacecraft, was deemed unsafe for the journey home, forcing the astronauts to stay in space much longer than planned.