Expedition 36/37 backup crewmembers are serving as backups for prime crewmembers on the International Space Station.

Expedition 36/37 backup crewmembers Koichi Wakata of the Japan Aerospace Exploration Agency (left and Rick Mastracchio of NASA (right) take interest in a model of a Soyuz rocket May 19 during a tour of the Korolev Museum at the Baikonur Cosmodrome in Kazakhstan. Wakata, Mastracchio and Mikhail Tyurin are serving as backups for prime crewmembers Karen Nyberg of NASA, Soyuz Commander Fyodor Yurchikhin and Luca Parmitano of the European Space Agency, who are preparing for launch May 29, Kazakh time, in their Soyuz TMA-09M spacecraft to begin a 5 ½ month mission on the International Space Station.

NASA/Victor Zelentsov