Expedition 31 ISS International Space Station Mission Lapel Pin Official NASA

Expedition 31 begins with the Soyuz TMA-22 undocking in April 2012. Three new crew members will arrive shortly thereafter on Soyuz TMA-04M.

Soyuz TMA-03M

Crew: Oleg Kononenko, Andre Kuipers, Don Pettit

Launch: Dec. 21, 2011, 8:16 a.m. EST

Docking: Dec. 23, 2011, 10:22 a.m. EST

Landing: July 1, 2012, 4:14 a.m. EDT

Soyuz TMA-04M
Crew: Joe Acaba, Gennady Padalka, Sergei Revin

Launch: May 14, 2012, 11:01 p.m. EDT

Docking: May 17, 2012, 12:36 a.m. EDT

Landing:Sept. 16, 2012, 10:53 p.m. EDT (Sept. 17, 8:52 a.m. Kazakhstan time)

 Image above: Pictured on the front row are Russian cosmonauts Oleg Kononenko (right), commander; and Gennady Padalka, flight engineer. Pictured from the left (back row) are NASA astronaut Joe Acaba, Russian cosmonaut Sergei Revin, European Space Agency astronaut Andre Kuipers and NASA astronaut Don Pettit, all flight engineers. Photo credit: NASA