The Expedition Five crew took charge of ISS operations on June 7, 2002. An official ceremony between Expedition crews took place June 10, with the ceremonial ringing of the station's brass bell, symbolizing the transfer of command. The Expedition Five crew carried out approximately 25 new investigations onboard the ISS, as well as continued with various science investigations begun before their stay. The crew wrapped up a 185-day stay in space when they returned home on STS-113 December 7, 2002.
Space Shuttle Endeavour delivered the Expedition 5 crew during mission STS-111 which launched June 5, 2002. The fifth crew to live aboard the International Space Station was led by Russian Valery Korzun and joined by fellow Cosmonaut Sergei Treshchev and U.S. Astronaut Peggy A. Whitson, both flight engineers. While onboard, Dr. Whitson was named NASA's first ISS Science Officer by NASA Administrator O'Keefe.