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KENNEDY SPACE CENTER, FLA. -- In the firing room of the Launch Control Center at NASA's Kennedy Space Center, all eyes are on the successful launch of space shuttle Discovery on mission STS-120. From left are Space Shuttle Program Manager Wayne Hale, Associate Administrator for NASA Space Operations William Gerstenmaier, NASA Flow Director Stephanie Stilson and Johnson Space Center Director Michael Coats. Liftoff was on time at 11:38:19 a.m. EDT. Liftoff was on time at 11:38:19 a.m. EDT. Discovery carries the Italian-built U.S. Node 2, called Harmony. During the 14-day STS-120 mission, the crew will install Harmony and move the P6 solar arrays to their permanent position and deploy them. Discovery is expected to complete its mission and return home at 4:47 a.m. EST on Nov. 6. Photo credit: NASA/Kim Shiflett