Astronauts Butch Wilmore and Suni Williams were scheduled to return home last year before issues with Boeing’s spacecraft extended their 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,

With a replacement crew on board the space station, NASA is eyeing Tuesday for the Starliner astronauts' return to Earth, finally ending their marathon mission.