Expedition 21 Crew Portrait

ISS021-E-027159 (15 Nov. 2009) --- European Space Agency astronaut Frank De Winne (right), Expedition 21 commander; Canadian Space Agency astronaut Robert Thirsk, NASA astronauts Jeffrey Williams (bottom) and Nicole Stott; along with Russian cosmonauts Maxim Suraev and Roman Romanenko (left), all flight engineers, enjoy a light moment in the Unity node of the International Space Station.