Tim Kopra of NASA Tests His Vestibular System

At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 46-47 crew member Tim Kopra of NASA took a turn on a tilt table to test his vestibular system Dec. 9 as part of his pre-launch training. Kopra, Tim Peake of the European Space Agency and Yuri Malenchenko of the Russian Federal Space Agency will launch Dec. 15 on their Soyuz TMA-19M spacecraft for a six-month mission on the International Space Station. Credit: NASA/Victor Zelentsov