
STS-96 -- 2nd U.S. INTERNATIONAL SPACE STATION FLIGHTNOTE: This week, the STS-96 crew completed orbiter and payload familiarization activities during a standard Crew Equipment Interface Test. Discovery's main propulsion system leak checks also concluded this week and now heat shield installation is under way. Instrumentation wiring continues in the orbiter's aft compartment as part of drag chute and vehicle health monitoring work. Auxiliary power unit functional testing is also in progress.
STS-96 SCHEDULED OPERATIONAL MILESTONES (dates are target only):
STS-93 -- Chandra X-ray Observatory (formerly AXAF)
NOTE: Columbia is jacked and leveled in Vehicle Assembly Building high bay 2 undergoing system observation during a temporary storage period. Columbia will remain in the Vehicle Assembly Building until mid-April, when Shuttle Discovery rolls out of Orbiter Processing Facility bay 1. Columbia will then be transferred to Orbiter Processing Facility bay 1 to complete STS-93's orbiter pre-launch preparations.
STS-99 -- SHUTTLE RADAR TOPOGRAPHY MISSION (SRTM)NOTE: Installation of Endeavour's three auxiliary power units is complete. Replacement of window No. 8 is also complete. Preparations are in work to remove the left orbital maneuvering engine next week. Valve modifications on freon coolant loop No. 1 continue and water spray boiler checks are under way. Fuel cells No. 1 and No. 2 are scheduled for replacement this week.
STS-101 -- 3rd INTERNATIONAL SPACE STATION FLIGHTNOTE: Checks on Atlantis' main propulsion system liquid oxygen and liquid hydrogen valves are complete. Orbital maneuvering and reaction control systems are undergoing drain line modifications and helium system leak checks are ongoing.
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