Entrance to the gondola of the gig centrifuge at the Gagarin Cosmonaut Training Center, in Russia, in August 2011. Centrifuge is used for high-g training in preparations for spaceflight - also by André Kuipers, Dutch national and a member of the European Astronaut Corps, will fly to International Space Station (ISS Expeditions 30 and 31) for a long duration mission in 2011.