NASA’s Suni Williams and Butch Wilmore have returned to Earth from a weeklong mission at the International Space Station that turned into an unexpectedly extended stay.

Butch Wilmore and Suni Williams left the International Space Station after nine months in space, checking out with two other astronauts. Their SpaceX capsule parachuted into the Gulf of Mexico in the early evening,

The NASA astronauts splashed down on Tuesday in a SpaceX capsule after problems with a Boeing vehicle set in motion a nine-month stay on the International Space Station.