Expedition Flight Andre Kuipers listen to a review of flight data file information from a training instructor.

At their crew quarters at the Cosmonaut Hotel in Baikonur, Kazakhstan, Expedition 30 Flight Engineer Andre Kuipers of the European Space Agency (left), Soyuz Commander Oleg Kononenko (center) and NASA Flight Engineer Don Pettit (right) listen to a review of flight data file information from a training instructor Dec. 15, 2011 as the trio prepares for launch Dec. 21 to the International Space Station in their Soyuz TMA-03M spacecraft from Baikonur.

Credit: NASA