05 31 06

Jessica Rye Kennedy Space Center, Fla (321) 867-2468

STATUS REPORT: S-053106

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 This report does not necessarily reflect the chronological order of future space shuttle missions If you are a member of the media and would like further information, visit: http://www nasa gov/centers/kennedy/news/index html

Mission: STS-121 - 18th International Space Station Flight (ULF1 1) - Multi-Purpose Logistics Module Vehicle: Discovery (OV-103) Location: Launch Pad 39B Launch Date: Launch Processing Window July 1-19, 2006 Launch Pad: 39B Crew: Lindsey, Kelly, Sellers, Fossum, Nowak, Wilson and Reiter Inclination/Orbit Altitude: 51 6 degrees/122 nautical miles

Over the holiday weekend, technicians performed no significant processing work at the launch pad Connections and leak checks of auxiliary power units No 1, 2 and 3 are complete

Thursday morning, workers will begin prelaunch propellant loading of the monomethyl hydrazine and nitrogen tetroxide for the forward reaction control system and the orbital maneuvering system pods Reaction control system quick disconnect mates and interface leak checks were completed May 26

Following payload installation into the payload bay last week, the payload bay and payload changeout room doors were closed on Friday

-end-

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