From left: Members of the main crew of the International Space Station's Expedition 40/41 -- European Space Agency Astronaut Alexander Gerst, Russian Federal Space Agency Cosmonaut Maxim Surayev and NASA Astronaut Gregory Reid Wiseman -- prepare to take an exam inside a simulator of Russia's ISS segment at the Yury Gagarin Cosmonaut Training Center in Star Town near Moscow.06.05.2014#2423057
From left: Members of the stand-by crew of the International Space Station's Expedition 40/41 -- NASA Astronaut Terry Wayne Virts, Russian Federal Space Agency Cosmonaut Anton Shkaplerov and European Space Agency Astronaut Samantha Cristoforetti -- prepare to take an exam inside a simulator of Russia's Soyuz-TMA-M manned spacecraft at the Yury Gagarin Cosmonaut Training Center in Star Town near Moscow.06.05.2014#2423043
From left: Members of the stand-by crew of the International Space Station's Expedition 40/41 -- NASA Astronaut Terry Wayne Virts, Russian Federal Space Agency Cosmonaut Anton Shkaplerov and European Space Agency Astronaut Samantha Cristoforetti -- prepare to take an exam inside a simulator of Russia's Soyuz-TMA-M manned spacecraft at the Yury Gagarin Cosmonaut Training Center in Star Town near Moscow.06.05.2014#2423036
Left: Maxim Surayev, a member of the main crew of the International Space Station's Expedition 40/41, signs his examination card, before taking an exam inside a simulator of Russia's ISS segment at the Yury Gagarin Cosmonaut Training Center in Star Town near Moscow. Right: NASA Astronaut Gregory Reid Wiseman.06.05.2014#2423031
From left: Members of the main crew of the International Space Station's Expedition 40/41 -- European Space Agency Astronaut Alexander Gerst, Russian Federal Space Agency Cosmonaut Maxim Surayev and NASA Astronaut Gregory Reid Wiseman -- prepare to take an exam inside a simulator of Russia's ISS segment at the Yury Gagarin Cosmonaut Training Center in Star Town near Moscow.06.05.2014#2423030
From left: Members of the main crew of the International Space Station's Expedition 40/41 -- European Space Agency Astronaut Alexander Gerst, Russian Federal Space Agency Cosmonaut Maxim Surayev and NASA Astronaut Gregory Reid Wiseman -- prepare to take an exam inside a simulator of Russia's ISS segment at the Yury Gagarin Cosmonaut Training Center in Star Town near Moscow.06.05.2014#2423029
