Sunita Williams' return: What happens after NASA astronauts' landing on Earth?
NASA astronauts Sunita Williams and Butch Wilmore are returning to Earth after a prolonged nine-month mission aboard the ISS due to technical issues.
How eight days in space turned into a nine-month odyssey
At 5.57pm local time on Tuesday, astronauts Sunita Williams and Butch Wilmore, along with two crewmates, will splash down off the coast of Florida in a SpaceX Dragon capsule.