That’s how long Boeing Starliner’s mission — its first flight test with crew aboard — was supposed to last. But this mission has been singular in almost every way, and astronauts Butch Wilmore and Suni Williams have instead spent the past nine and a half months aboard the International Space Station.

Suni Williams and Butch Wilmore originally planned to stay just a week on the space station, but problems with their Boeing vehicle forced them to remain there.