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The Mission




Orbiter: Discovery
Mission: STS-120
Payload: Harmony module
Launch: Oct. 23, 2007
Time: 11:38 a.m. EDT
Site: Pad 39A, Kennedy Space Center, Florida
Landing: Nov. 7 @ 1:01 p.m. EST
Site: Shuttle Landing Facility, KSC

Mission Status Center

STS-120 Quick-Look

NASA TV Schedule

Docking Timeline

Master Flight Plan

Key Mission Personnel

Launch Windows Chart

Countdown Timeline

Launch Timeline

Ascent Trajectory Data

Shuttle Flight History

STS-120 Archive




The Crew




Meet the astronauts flying aboard Discovery's STS-120 mission.

Meet the Astronauts

CDR: Pam Melroy

PLT: George Zamka

MS 1: Scott Parazynski

MS 2: Stephanie Wilson

MS 3: Doug Wheelock

MS 4: Paolo Nespoli

Up: Dan Tani

Down: Clay Anderson

Current Demographics




Problem could delay shuttle Discovery's launch
BY WILLIAM HARWOOD
STORY WRITTEN FOR CBS NEWS "SPACE PLACE" & USED WITH PERMISSION
Posted: September 16, 2007

Engineers are assessing an apparent hydraulic leak in the shuttle Discovery's right-side main landing gear strut. If internal seals have to be replaced, launch on a space station assembly mission could slip a few days, officials said today, but they cautioned that it's not yet clear how long such repairs might actually take.

The leak was discovered during routine testing in preparation for the shuttle's rollover from its processing hangar to the Vehicle Assembly Building for attachment to an external fuel tank and solid-fuel boosters. As of Friday, rollout to launch pad 39A was targeted for Sept. 27, setting the stage for launch Oct. 23.

But work to replace the hydraulic seals, if required, would delay rollover and rollout. Even with several days of contingency time in the schedule, launch could be delayed a few days if repairs are ordered. What impact, if any, such work might have on plans to launch the shuttle Atlantis around Dec. 6 is not yet known.

NASA and contractor managers plan to meet Monday to discuss the issue and make a decision on how to proceed.

Spaceflight Now Plus
Additional coverage for subscribers:
VIDEO: STS-120 MISSION OVERVIEW BRIEFING PART 1 | PART 2
VIDEO: PREVIEW OF THE MISSION'S FIVE SPACEWALKS PLAY
VIDEO: DISCOVERY'S ASTRONAUTS MEET THE PRESS PLAY
VIDEO: BRIEFING ON SHUTTLE AND ISS PROGRAMS PLAY
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