Two American astronauts who have been stranded on the International Space Station (ISS) for over nine months are scheduled to return to Earth on Tuesday evening, according to NASA. Butch Wilmore and Sunita Williams will make the journey back alongside another NASA astronaut and a Russian cosmonaut aboard a SpaceX Crew Dragon capsule,

SpaceX delivered a four-person crew to the International Space Station early Sunday, setting the stage for Barry Wilmore and Sunita Williams to depart.

A pair of US astronauts stuck for more than nine months on the International Space Station will be returned to Earth on Tuesday evening, NASA said.NASA said in a statement on Sunday evening that it had moved forward the astronauts' anticipated ocean splashdown off the Florida coast to approximately 5:57 pm Tuesday (2157 GMT).