Tags: Artificialsatellite, Satellite.
Expedition 21 was the 21st long-duration mission to the International Space Station (ISS). The expedition began on 30 September 2009 with Frank de Winne becoming the first ESA astronaut to command a space mission.The handover between Expedition 20 and Expedition 21 required three Soyuz vehicles being docked to the station at the same time the first time this has occurred.Soyuz TMA-16 brought the final members of Expedition 21 to the ISS along with space tourist Guy Laliberté.
