The Expedition 5 crew took charge of ISS operations on 7 June 2002. An official ceremony between expedition crews took place 10 June, 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 on board the ISS, as well as continued with various science investigations begun before their stay. The crew wrapped up a 184-day stay in space when they returned home on
STS-113 7 December 2002. Space Shuttle
Endeavour delivered the Expedition 5 crew during mission
STS-111, which launched 5 June 2002. The fifth crew to live aboard the International Space Station was led by Russian Valery Korzun and joined by fellow cosmonaut Sergey Treshchev and U.S. astronaut Peggy A. Whitson, both flight engineers. While on board, Dr. Whitson was named NASA's first ISS science officer by NASA administrator O'Keefe. == Spacewalks ==