Expedition 46 Soyuz Commander Yuri Malenchenko of the Russian Federal Space Agency (Roscosmos), top, Flight Engineer Tim Kopra of NASA, center, and Flight Engineer Tim Peake of ESA (European Space Agency), bottom, wave farewell prior to boarding the Soyuz TMA-19M rocket for launch, Tuesday, Dec. 15, 2015 at the Baikonur Cosmodrome in Kazakhstan. Malenchenko, Kopra, and Peake will spend the next six months living and working aboard the International Space Station. Peake will become the second British astronaut to travel to space and the first to visit the International Space Station.