Date: October 24th 2007

Oct 23, 2007

June Malone Headquarters, Washington 202-358-1071 june e malone@nasa gov

George Diller Kennedy Space Center, Fla 321-867-2468 george h diller@nasa gov

RELEASE: 07-231

NASA'S SHUTTLE DISCOVERY BEGINS MISSION TO THE SPACE STATION

CAPE CANAVERAL, Fla - The space shuttle Discovery and its seven-member crew lifted off Tuesday, Oct 23, from NASA's Kennedy Space Center in Florida at 11:38 a m EDT to continue construction of the International Space Station

During the 14-day mission, designated STS-120, Discovery's crew will continue construction of the space station with the installation of the Harmony connecting module, also known as Node 2 The crew, led by Commander Pam Melroy, will conduct five spacewalks during the mission, four by shuttle crew members and one by the station's Expedition 16 crew

Discovery is scheduled to dock to the station on Thursday, Oct 25 The addition of the Harmony module sets the stage for the arrival of new research laboratories from the European Space Agency and the Japan Aerospace Exploration Agency in upcoming shuttle missions During the mission, the STS-120 crew also will move the station's Port 6 segment of the station's backbone, or truss, and its solar arrays to a permanent position at the end of the truss' left side

Joining Melroy on the STS-120 crew are Pilot George Zamka, mission specialists Scott Parazynski, Doug Wheelock, Stephanie Wilson, Daniel Tani and European Space Agency astronaut Paolo Nespoli Tani will serve as mission specialist aboard Discovery and join the Expedition 16 Commander Peggy Whitson and Flight Engineer Yuri Malenchenko, who arrived at the station aboard a Russian Soyuz spacecraft Oct 12

Tani will rotate positions with station resident Clayton Anderson After five months on the station, Anderson will return with Discovery's crew at the conclusion of the STS-120 mission

This is the 120th space shuttle flight, the 34th flight for Discovery and the 23rd U S flight to the International Space Station

For more information about the STS-120 mission, including images and interviews with the crew, visit:

www nasa gov/shuttle

-end-

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