In this image taken from video, cosmonaut Sergei Krikalev, left, waves just before closing the hatch aboard the space capsule Soyuz, as U.S. scientist Greg Olsen looks on, Monday, Oct. 10, 2005. After climbing into the capsule the crew will undock from the international space station and begin the fiery, three and a half hour descent en route to landing in Kazakhstan. Credit: AP Photo/NASA TV. Click to enlarge.
