Expedition 31 was the 31st long-duration expedition to the International Space Station (ISS). It began on 27 April 2012 with the departure from the ISS of the Soyuz TMA-22 spacecraft, which returned the Expedition 30 crew to Earth. The expedition ended on 1 July 2012, when crew members Oleg Kononenko, André Kuipers and Don Pettit departed from the ISS aboard Soyuz TMA-03M, marking the beginning of Expedition 32.
