Trio's Farewell Proves Premature

Video of Expedition 24 Commander Alexander Skvortsov, NASA Flight Engineer Tracy Caldwell Dyson and Russian Flight Engineer Mikhail Kornienko as they bid farewell to the International Space Station and Expedition 25 Commander Doug Wheelock, and Flight Engineers Fyodor Yurchikhin and Shannon Walker on Sept. 23. Skvortsov, Caldwell Dyson and Kornienko then boarded the Soyuz spacecraft that was to take them back to Earth on Sept. 24, only to return to the station after problems with a docking mechanism cancelled their undocking