The International Space Station's (ISS) Expedition 31 begins with the scheduled undocking of Soyuz TMA-22 in March 2012. Three new crew members will arrive shortly thereafter on Soyuz TMA-04M.
Source: NASA
Expedition 31 will be commanded by Roscosmos cosmonaut Oleg Kononenko. His crewmates, all flight engineers, include: cosmonauts Gennady Padalka and Sergei Revin, NASA astronauts Don Pettit and Joe Acaba, and ESA astronaut André Kuipers.
The ISS Expedition 31 insignia was designed by artist Luc van den Abeelen.