ISS021-E-028123 (17 Nov. 2009) --- Expedition 21 crew members pose for a photo with three Extravehicular Mobility Unit (EMU) spacesuits in the Columbus laboratory of the International Space Station. From the left (front row) are Canadian Space Agency astronaut Robert Thirsk, NASA astronaut Jeffrey Williams and Russian cosmonaut Roman Romanenko, all flight engineers. Pictured on the back row are European Space Agency astronaut Frank De Winne (center), commander; along with NASA astronaut Nicole Stott and Maxim Suraev, both flight engineers.