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KENNEDY SPACE CENTER SPACE SHUTTLE STATUS REPORT WEDNESDAY, AUGUST 23, 1995 (11:11 AM EDT) MISSION: STS-69 -- WSF-2 & SPARTAN 201-03 VEHICLE: Endeavour/OV-105 LOCATION: Pad 39A TARGET LAUNCH DATE/TIME: NET late-August LAUNCH WINDOW: 2 hours, 30 minutes TARGET KSC LANDING DATE/TIME: TBD MISSION DURATION: 10 days, 20 hours, 29 minutes CREW SIZE: 5 ORBITAL ALTITUDE and INCLINATION: 230 statute miles/28.45 degrees NOTE: Endeavour’s launch remains on indefinite hold until repairs to the solid rocket booster nozzle O-ring seals are completed. The vacuum back-fill operations around the nozzle seals is complete and the nozzle plugs are scheduled to be installed beginning tomorrow. Once the plugs are installed a 24-hour cure period will begin. A delta flight readiness review for mission STS-69 is scheduled for 1 p.m. Friday to discuss the success of the booster operations and to discuss potential launch dates. IN WORK TODAY: * Repairs to solid rocket booster nozzles at Pad 39A * Launch countdown preparations * Aft engine compartment close-outs WORK SCHEDULED: * Ordnance installation and hypergolic fuel pressurization (Sunday) * Crew arrival and begin launch countdown (TBD) MISSION: STS-73 -- U.S. MICROGRAVITY LABORATORY-2 VEHICLE: Columbia/OV-102 LOCATION: Vehicle Assembly Building TARGET LAUNCH DATE/TIME: Sept. 21 at 9:31 a.m. EDT LAUNCH WINDOW: 2 hours, 30 minutes TARGET KSC LANDING DATE/TIME: Oct. 7 at 7:25 a.m. MISSION DURATION: 15 days, 22 hours CREW SIZE: 7 ORBITAL ALTITUDE and INCLINATION: 172 statute miles/39 degrees NOTE: The orbiter is mated to the external tank and the Shuttle Interface Test is scheduled to begin on Thursday. IN WORK TODAY: * Electrical mates between the orbiter and external tank KEY OPERATIONAL MILESTONES (dates are target only): * Roll out to Pad 39-B (2 a.m. Aug. 28) MISSION: STS-74 -- 2nd MIR DOCKING (Docking Module) VEHICLE: Atlantis/OV-104 LOCATION: Orbiter Processing Facility bay 2 TARGET LAUNCH DATE/TIME: Oct. 26 at 3:08 p.m. EDT LAUNCH WINDOW: 7 minutes ESTIMATED MIR DOCKING DATE/TIME: Oct. 29 at 8:05 a.m. EST TARGET KSC LANDING DATE/TIME: Nov. 3 at 11:05 a.m. EST MISSION DURATION: 7 days, 20 hours CREW SIZE: 5 ORBITAL ALTITUDE and INCLINATION: 196-245 statute miles/51.6 degrees NOTE: Today, efforts are underway to remove and replace three thrusters on the right hand orbital maneuvering system pod. The bay will be cleared for the next 48 hours beginning tonight for this hazardous operation. KEY OPERATIONAL MILESTONES (dates are target only): * Install forward reaction control system (Aug. 29) * Install space shuttle main engines (Aug. 29-30) * Install Orbiter Docking System (Aug. 30) * Install MIR-2 Docking Module (Sept. 7) DISCOVERY/OV-103 -- Pre-Orbital Maintenance Down Period VEHICLE: Discovery/OV-103 LOCATION: Orbiter Processing Facility bay 1 TARGET DATE OF DEPARTURE FOR PALMDALE FOR OMDP: Sept. 26 NOTE: Discovery is scheduled to be delivered to Palmdale, Calif., for a nine-month Orbiter Maintenance Down Period (OMDP). During this time, the vehicle will be outfitted with a 5th set of cryogenic tanks and an external airlock to support missions to the international Space Station. Discovery is scheduled to depart Kennedy Space Center via the 747 Shuttle Carrier Aircraft on or about Sept. 26. Discovery’s next flight, the second mission to service the Hubble Space Telescope, is targeted for launch in early 1997. KEY OPERATIONAL MILESTONES (dates are target only): * Remove orbital maneuvering system pods (Aug. 30)