Dec 22 2006
From The Space Library
Space Shuttle Discovery landed at NASA’s KSC at 5:32 p.m. (EST), marking the end of the 13- day Mission STS-116, the 20th Shuttle flight to the ISS. The mission had been among the most challenging ever made to the space station. In addition to transporting 2.9 tons (2.6 tonnes or 2,631 kilograms) of equipment and supplies to the ISS, Discovery’s crew had rewired the ISS’s power system and installed an additional truss segment to the station’s Integrated Truss Structure. Rewiring the power system had proved particularly onerous because the crew had experienced difficulty retracting one set of solar arrays, to enable a different set of arrays to begin tracking the Sun’s motion. Crew members had conducted four spacewalks to work on the exterior of the ISS.
NASA, “STS-116 Delivers Permanent Power.”
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