On This Day In Space: Oct. 23, 2007: Space station's Harmony module launches on STS-120
On October 23, 2007, the space shuttle Discovery launched the Harmony module to the International Space Station. See how it happened in our On This Day In Space series.
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On October 23, 2007, the space shuttle Discovery launched the Harmony module to the International Space Station. See how it happened in our On This Day In Space series.
