Today in 2009, three astronauts joined the crew of expedition 20 on the International Space Station.  This was the first time six crew members worked and stayed on the station for a full expedition.  Now crews routinely comprise of six members of an international community.

Expedition 20 crew members take a break from training at NASA’s Johnson Space Center to pose for a crew portrait. From the right (front row) are cosmonaut Gennady Padalka, Expedition 19/20 commander; and European Space Agency astronaut Frank De Winne, Expedition 20 flight engineer and Expedition 21 commander. From the left (back row) are NASA astronaut Michael Barratt, Expedition 19/20 flight engineer; Canadian Space Agency astronaut Robert Thirsk, Expedition 20/21 flight engineer; Japan Aerospace Exploration Agency (JAXA) astronaut Koichi Wakata, 18/19/20 flight engineer; and cosmonaut Roman Romanenko, Expedition 20/21 flight engineer.
Image: NASA/JSC.