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STS-122
STS-122 was a NASA Space Shuttle mission to the International Space Station (ISS), flown by the Space Shuttle ''Atlantis''. STS-122 marked the 24th shuttle mission to the ISS, and the 121st space shuttle flight since STS-1.〔
The mission was also referred to as ISS-1E by the ISS program. The primary objective of STS-122 was to deliver the European ''Columbus'' science laboratory, built by the European Space Agency (ESA), to the station. It also returned Expedition 16 Flight Engineer Daniel M. Tani to Earth. Tani was replaced on Expedition 16 by Léopold Eyharts, a French Flight Engineer representing ESA. After ''Atlantis landing, the orbiter was prepared for STS-125, the final servicing mission for the Hubble Space Telescope.
The original target launch date for STS-122 was 6 December 2007, but due to engine cutoff sensor (ECO) reading errors, the launch was postponed to 9 December 2007. During the second launch attempt, the sensors failed again, and the launch was halted. A tanking test on 18 December 2007 revealed the probable cause to lie with a connector between the external tank and the shuttle. The connector was replaced and the shuttle launched during the third attempt on 7 February 2008.
==Crew==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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