Russia's Space Agency Chief Vladimir Popovkin greets U.S. astronaut Thomas Marshburn, right, Russian cosmonaut Roman Romanenko, center, and Canadian astronaut Chris Hadfield, crew members of the mission to the International Space Station, ISS, prior the launch of Soyuz-FG rocket at the Russian leased Baikonur cosmodrome, Kazakhstan, Wednesday, Dec. 19, 2012. (AP Photo/Dmitry Lovetsky, pool)
Russia's Space Agency Chief Vladimir Popovkin greets U.S. astronaut Thomas Marshburn, right, Russian cosmonaut Roman Romanenko, center, and Canadian astronaut Chris Hadfield, crew members of the mission to the International Space Station, ISS, prior the launch of Soyuz-FG rocket at the Russian leased Baikonur cosmodrome, Kazakhstan, Wednesday, Dec. 19, 2012. (AP Photo/Dmitry Lovetsky, pool)