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Expedition 42 Cosmonaut Alexander Samokutyaev of the Russian Federal Space Agency (Roscosmos), center, who returned to Earth from the International Space Station two days earlier, is seen as he comes to say farewell to Expedition 43 crew members; NASA Astronaut Scott Kelly, Russian Cosmonauts Mikhail Kornienko and Gennady Padalka of the Russian Federal Space Agency (Roscosmos) at the the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia Saturday, March 14, 2015. The Expedition 43 trio is preparing for launch to the International Space Station in their Soyuz TMA-16M spacecraft from …
