Behind their Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 46-47 crewmember Tim Kopra of NASA (left), Yuri Malenchenko of the Russian Federal Space Agency (Roscosmos, center) and Tim Peake of the European Space Agency (right) pose for pictures Dec. 9 after a traditional tree-planting ceremony. The trio will launch Dec. 15 on their Soyuz TMA-19M spacecraft for a six-month mission on the International Space Station.
NASA/Victor Zelentsov