Space Shuttle Discovery STS-120 Launch

STS-120 was a space shuttle mission to the International Space Station (ISS), that launched on October 23, 2007 from the Kennedy Space Center, Florida. The mission is also referred to as ISS-10A by the ISS program. STS-120 delivered the Harmony module and reconfigured a portion of the station in preparation for future assembly missions. STS-120 was flown by Space Shuttle Discovery, and was the twenty-third space shuttle mission to the ISS. More from Wikipedia