The Expedition 13 crew of Commander Pavel Vinogradov and NASA ISS Science Officer Jeffrey Williams is the 13th expedition to the International Space Station (ISS). This expedition utilized the Soyuz TMA-8, which will stay for the duration of the mission for emergency evacuation.During their six-month stay on the orbiting laboratory Vinogradov and Williams were joined by European Space Agency (ESA) Astronaut Thomas Reiter. The German astronaut launched aboard Discovery on the STS-121 shuttle mission. The newly-updated Expedition 13 patch now bares Reiter's name at the bottom.His arrival restored the station crew to three members for the first time since May 2003. Crew size was reduced to two and shuttle flights were put on hold after the Columbia accident Feb. 1, 2003.