Expedition 34/35 Chris Hadfield displays a personal logo of his flight to the International Space Station.

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 34/35 Flight Engineer Chris Hadfield of the Canadian Space Agency displays a personal logo of his upcoming flight to the International Space Station in the form of a guitar pick as he fielded questions from reporters at a news conference Nov. 29, 2012. Hadfield, NASA Flight Engineer Tom Marshburn (left) and Soyuz Commander Roman Romanenko (center) will launch to the station Dec. 19 from the Baikonur Cosmodrome in Kazakhstan in their Soyuz TMA-07M spacecraft.
NASA/Stephanie Stoll