BAIKONUR, KAZAKHSTAN - DECEMBER 14:  (EDITORIAL USE ONLY) (NO SALES) In this handout image supplied by the European Space Agency (ESA), Expedition 46-47 crewmember Tim Peake of the European Space Agency attends the pre-launch press conference, on December 14, 2015 in Baikonur, Kazakhstan. Soyuz TMA-19M is scheduled to launch on December 15 carrying crew members Soyuz Commander Yuri Malenchenko of the Russian Federal Space Agency (Roscosmos), Flight Engineer Tim Kopra of NASA, and Flight Engineer Tim Peake of ESA (European Space Agency) to the International Space Station for a six-month mission, as part of Expedition 46.  (Photo by ESA - Stephane Corvaja via Getty Images)