Expedition 46-47 Crew Members

At the Gagarin Cosmonaut Training Center in Star City Russia, Expedition 46-47 crew member Tim Peake of the European Space Agency (left) signs a ceremonial book at the Gagarin Museum Nov. 23 as crewmates Yuri Malenchenko of the Russian Federal Space Agency (Roscosmos, center) and Tim Kopra of NASA (right) look on. The trio will launch on Dec. 15 on the Soyuz TMA-19M spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-month mission on the International Space Station. NASA/Seth Marcantel