Roscosmos cosmonaut candidates Alexei Zubitsky, Yevgeny Prokopyev, Kirill Peskov and Oleg Platonov, from left, during the introduction ceremony in Moscow.

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Roscosmos cosmonaut candidates Alexander Grebyonkin, Sergei Mikayev, Alexander Gorbunov and Konstantin Borisov, from left, during the introduction ceremony in Moscow.

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Roscosmos cosmonaut candidate Sergei Mikayev during the introduction ceremony in Moscow.

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Roscosmos cosmonaut candidate Konstantin Borisov during the introduction ceremony in Moscow.

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Yevgeny Prokopyev, a cosmonaut admitted to the squad after an 18-month-long selection process, during the introduction ceremony in Moscow.

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Roscosmos cosmonaut candidate Kirill Peskov during the introduction ceremony in Moscow.

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Roscosmos cosmonaut candidate Oleg Platonov during the introduction ceremony in Moscow.

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Roscosmos cosmonaut candidate Alexander Grebyonkin during the introduction ceremony in Moscow.

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Roscosmos cosmonaut candidate Alexei Zubritsky during the introduction ceremony in Moscow.

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From left: executive director of the defense program implementation at Roscosmos Oleg Frolov, head of the Gagarin Center for Cosmonaut Training Pyotr Vlasov, and executive director for manned space programs at Roscosmos Sergei Krikalyov during a ceremony to introduce cosmonaut candidates selected during a 1.5-year process.

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Executive director for manned space programs at Roscosmos Sergei Krikalyov during a ceremony to introduce cosmonaut candidates selected during a 1.5-year process.

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Roscosmos cosmonaut candidates Konstantin Borisov, Alexander Gorbunov, Sergei Mikayev, Alexander Grebyonkin, Oleg Platonov, Kirill Peskov, Alexei Zubritsky and Yevgeny Prokopyev, from left, during the introduction ceremony in Moscow.

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Center, from left: executive director of the defense program implementation at Roscosmos Oleg Frolov, head of the Gagarin Center for Cosmonaut Training Pyotr Vlasov, and executive director for manned space programs at Roscosmos Sergei Krikalyov during a ceremony to introduce cosmonaut candidates selected during a 1.5-year process.

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