Russian Prime Minister Vladimir Putin, right, meeting with cosmonauts during his visit to the Yuri Gagarin Research and Testing Cosmonaut Training Center at Star City outside Moscow on April 6, 2010.

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Russian Prime Minister Vladimir Putin, left, meeting with cosmonauts during his visit to the Yuri Gagarin Research and Testing Cosmonaut Training Center at Star City outside Moscow on April 6, 2010.

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Russian Prime Minister Vladimir Putin, 2nd left, meeting with cosmonauts during his visit to the Yuri Gagarin Research and Testing Cosmonaut Training Center at Star City outside Moscow on April 6, 2010.

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Russian Prime Minister Vladimir Putin, right, meeting with cosmonauts during his visit to the Yuri Gagarin Research and Testing Cosmonaut Training Center at Star City outside Moscow on April 6, 2010.

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Russian Prime Minister Vladimir Putin meeting with cosmonauts during his visit to the Yuri Gagarin Research and Testing Cosmonaut Training Center at Star City outside Moscow on April 6, 2010.

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Russia's Federal Space Agency chief Anatoly Perminov (3rd right) reporting to Prime Minister Vladimir Putin at a meeting during the prime minister's visit to the Yuri Gagarin Research and Testing Cosmonaut Training Center at Star City outside Moscow on April 6, 2010.

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Russian Prime Minister Vladimir Putin holds a meeting to hear a report from Russia's Federal Space Agency chief Anatoly Perminov at the Yuri Gagarin Research and Testing Cosmonaut Training Center at Star City outside Moscow on April 6, 2010.

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Russian Prime Minister Vladimir Putin (left) and director of the Yuri Gagarin Research and Testing Cosmonaut Training Center Sergei Krikalyov (right) at the center's International Space Station control room at Star City outside Moscow on April 6, 2010.

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Russian Prime Minister Vladimir Putin visiting a weightless environment training facility at the Yuri Gagarin Research and Testing Cosmonaut Training Center at Star City outside Moscow on April 6, 2010.

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Russian Prime Minister Vladimir Putin visiting a weightless environment training facility at the Yuri Gagarin Research and Testing Cosmonaut Training Center at Star City outside Moscow on April 6, 2010.

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Russian Prime Minister Vladimir Putin visiting a weightless environment training facility at the Yuri Gagarin Research and Testing Cosmonaut Training Center at Star City outside Moscow on April 6, 2010.

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Russian Prime Minister Vladimir Putin (center), director of the Yuri Gagarin Research and Testing Cosmonaut Training Center Sergei Krikalyov (left) and Deputy Prime Minister Sergei Ivanov (3rd right) at the center's International Space Station control room at Star City outside Moscow on April 6, 2010.

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Russian Prime Minister Vladimir Putin, right, and director of the Yuri Gagarin Research and Testing Cosmonaut Training Center Sergei Krikalyov at the center's International Space Station control room at Star City outside Moscow on April 6, 2010.

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Russian Prime Minister Vladimir Putin (2nd right) visiting the International Space Station control room at the Yuri Gagarin Research and Testing Cosmonaut Training Center at Star City outside Moscow on April 6, 2010.

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Russian Prime Minister Vladimir Putin laying flowers at the monument to Yuri Gagarin at the Yuri Gagarin Research and Testing Cosmonaut Training Center at Star City outside Moscow on April 6, 2010.

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Russian Prime Minister Vladimir Putin, right, and director of the Yuri Gagarin Research and Testing Cosmonaut Training Center Sergei Krikalyov at the center's International Space Station control room at Star City outside Moscow on April 6, 2010.

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Foreground, from left: Russian Deputy Prime Minister Sergei Ivanov, director of the Yuri Gagarin Research and Testing Cosmonaut Training Center, Sergei Krikalyov, Russian Prime Minister Vladimir Putin, and head of the Federal Space Agency Anatoly Perminov visiting the Center at Star City outside Moscow on April 6, 2010.

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Russian Prime Minister Vladimir Putin, right, visiting the Yuri Gagarin Research and Testing Cosmonaut Training Center at Star City outside Moscow on April 6, 2010.

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Russian Prime Minister Vladimir Putin viewing a training facility at the Yuri Gagarin Research and Testing Cosmonaut Training Center at Star City outside Moscow on April 6, 2010.

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