McArthur smiles at camera during preparations for the Soyuz undocking on Expedition 12/13 Joint Operations

ISS012-E-24257 (8 April 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, floats in the Zvezda Service Module of the International Space Station prior to his departure in a Soyuz TMA-7 spacecraft. A Russian Sokol spacesuit floats nearby.