[Baikonur, Kazakhstan, December 17. Image via AP]

A worker cleans the floor during preparations for launching the Russian Soyuz TMA-17 spaceship that will carry a new crew to the international space station, in an assembly shop at the Russian-leased Baikonur cosmodrome, Kazakhstan, Thursday, Dec. 17, 2009. The start of the new Soyuz mission is scheduled on Monday, December 21. (AP Photo/Dmitry Lovetsky)