Soyuz TMA-15 was a Soyuz TMA spacecraft, TMA No. 225, launched from Baikonur Site 1/5 on May 27, 2009 UTC. It carried Roman Romanenko, Frank De Winne, and Robert Thirsk to the International Space Station for Expeditions 20 and 21 and returned the same crew to Kazakhstan on December 1, 2009.