Expedition 31/32 Flight Engineer Joe Acaba adds his name to the Wall of Signatures to begin a mission on the International Space Station.

At the historic museum near the launch pad at the Baikonur Cosmodrome in Kazakhstan, Expedition 31/32 Flight Engineer Joe Acaba of NASA adds his name to the “Wall of Signatures” May 11, 2012 during a traditional museum tour prior to his launch May 15 along with Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin in their Soyuz TMA-04M spacecraft to begin a four-month mission on the International Space Station. The wall, which is adorned with a life-size picture of a Soyuz rocket, is signed by all crewmembers who launch into space on the Russian booster.

NASA/Victor Zelentsov