Expedition 9 was a mission to the International Space Station (ISS) that took place from April to October 2004. It was part of a series of long-duration missions aimed at conducting scientific research and maintaining the ISS. The crew consisted of Gennady Padalka, Michael Fincke, and Soichi Noguchi, who worked together to perform various experiments and system checks. During their time in space, the crew completed over 100 scientific experiments in fields such as biology, physics, and technology. They also conducted spacewalks to upgrade the ISS and ensure its systems were functioning properly, contributing to the ongoing development of the station.