Backdropped by a blanket of clouds, the Soyuz TMA-7 spacecraft departs from the International Space Station carrying astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer; Russian Federal Space Agency cosmonaut Valery I. Tokarev, flight engineer; and Brazilian Space Agency astronaut Marcos C. Pontes. Undocking occurred at 2:48 p.m. (CDT) on April 8.