The Soyuz TMA-22 spacecraft carrying Expedition 30 Commander Dan Burbank and Flight Engineers Anton Shkaplerov and Anatoly Ivanishin landed in Kazakhstan at 11:45 UT. They undocked from the International Space Station at 8:18 UT. officially ending their stay. Source
Expedition 30 crew members Dan Burbank, Anton Shkaplerov and Anatoli Ivanishin entered their Soyuz TMA-22 spacecraft this morning, April 27th 2012 and closed hatches between the spacecraft and International Space Station at 05:12 UTC.