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George Diller
Kennedy Space Center, Fla.

NASA's Space Shuttle Processing Status Report
Note: NASA's Kennedy Space Center issues Space Shuttle Processing Status Reports periodically and is the source for information regarding processing activities associated with the vehicles and payloads. If you are a member of the media and would like further information, visit:

Mission: STS-117 - 21st International Space Station Flight (13A) - S3/S4 Truss Segment Solar Arrays
Vehicle: Atlantis (OV-104)
Official Launch Date: June 8, 2007
Official Landing Date: June 22, 2007
Crew: Sturckow, Archambault, Reilly, Swanson, Forrester, Olivas, Anderson and Williams

At NASA's Dryden Flight Research Center at Edwards Air Force Base in California, Atlantis has undergone a week of preparation for its ferry flight back to KSC aboard the shuttle carrier aircraft. This modified Boeing 747 airplane transports the orbiter in piggyback fashion. The first opportunity for the flight is Saturday and will be dependent on weather conditions across the country.

Mission: STS-118 - 22nd International Space Station Flight (13A.1) - S5 Truss Segment
Vehicle: Endeavour (OV-105)
Location: Orbiter Processing Facility Bay 2
Launch Date: Targeted for Aug. 7, 2007
Launch Pad: 39A
Crew: Kelly, Hobaugh, Williams, Morgan, Mastracchio, Caldwell and Drew
Inclination/Orbit Altitude: 51.6 degrees/122 nautical miles

In Orbiter Processing Facility bay No. 2, Endeavour is undergoing final preparations for rollover to the Vehicle Assembly Building early on Monday, with the orbiter's mating to the transporter scheduled for Saturday. During the week, workers completed functional testing of the payload bay doors, closed them for flight and removed the strongbacks, which are metal structures that allow for the movement of the doors. The main landing gear and nose landing gear tires are pressurized for flight. The forward, mid and aft sections of the orbiter are closed out for flight. The orbiter's weight and center of gravity are being measured today.

In the Vehicle Assembly Building, processing of the STS-118 external tank and solid rocket boosters continues. This weekend, platforms will be configured for the orbiter mate.

Mission: STS-120 - 23rd International Space Station Flight (10A) - U.S. Node 2
Vehicle: Discovery (OV-103)
Location: Orbiter Processing Facility Bay 3
Launch Date: Targeted for Oct. 20, 2007
Launch Pad: 39A
Crew: Melroy, Zamka, Parazynski, Wheelock, Wilson, Nespoli and Tani
Inclination/Orbit Altitude: 51.6 degrees/122 nautical miles

In Orbiter Processing Facility bay No. 3, aft closeout work is under way. Checkout of the hydraulic system for water spray boiler No. 1 is finished. Testing is in progress on the auxiliary power units, as well as the external tank doors for proper closure and fit.