Williams and astronaut Butch Wilmore recently returned to Earth after a much longer-than-planned trip to space. The two were stuck on the International Space Station ( ISS) for nearly 300 days, despite the original plan for a short trip. The mission became the sixth longest in NASA's history.

The two NASA astronauts tell us how they handled the unexpected after a ten day test flight turned into a nine month stay in space.

NASA astronauts Butch Wilmore and Sunita Williams, who were stuck in space for more than nine months, took questions after returning to Earth.