MISSION: STS-84 -- 6th MIR DOCKING & SPACEHAB DM (image)

• VEHICLE: Atlantis/OV-104
• LOCATION: Vehicle Assembly Building
• TARGET KSC LAUNCH DATE/TIME: May 15 at about 4:08 a.m.
• LAUNCH WINDOW: 7-10 minutes
• TARGET KSC LANDING DATE/TIME: May 25 at about 8:32 a.m.
• MISSION DURATION: 10 days, 4 hours, 24 minutes (under review)
• CREW: Precourt, Collins, Foale, Noriega, Lu, Clervoy, Kondakova
• ORBITAL ALTITUDE and INCLINATION: 160 nautical miles/51.6 degrees

NOTE: Orbiter/external tank mating close-outs continue and interface testing begins today. Work to design and fabricate the clamps that will help securely fasten the "pyro can" and base plate assemblies in Atlantis' aft compartment continues. A fit check of the fabricated parts is slated for Friday and installation should occur early next week. Roll out is scheduled for Friday morning, but could be earlier if work continues ahead of schedule.

The Spacehab module arrived at pad 39A today at about 2:30 a.m. Transfer of Spacehab to the payload change-out room is in work this morning.

STS-84 SCHEDULED OPERATIONAL MILESTONES (dates are target only):

• Orbiter to the pad (April 25)
• Terminal Countdown Demonstration Test (April 28-29)
• Flight Readiness Review (April 30)

MISSION: STS-83R -- Microgravity Science Laboratory-1 (image)

• VEHICLE: Columbia/OV-102 (image)
• LOCATION: Orbiter Processing Facility bay 1
• TARGET LAUNCH DATE/TIME: July 1 at 2:37 p.m. (under review)
• LAUNCH WINDOW: 2 hours, 30 minutes
• TARGET KSC LANDING DATE/TIME: July 17 at 7:23 a.m.
• MISSION DURATION: 15 days, 16 hours, 46 minutes
• CREW: Halsell, Still, Voss, Thomas, Gernhardt, Linteris, Crouch (image)
• ORBITAL ALTITUDE and INCLINATION: 160 nautical miles/28.45 degrees

NOTE: Hypergol deservicing activities are complete. Columbia's forward reaction control system was transferred to the Hypergol Maintenance Facility yesterday and thruster replacement is in work. The forward reaction control system should return to the OPF in early May to be reinstalled into the orbiter. Spacelab reservicing activities continue.

While left booster joint close-outs continue, today the right aft center segment will join the right aft segment already in the VAB. Mating of the two segments is slated for Wednesday.

STS-83R SCHEDULED OPERATIONAL MILESTONES (dates are target only):

• Forward reaction control system installation (May 6)
• Space Shuttle main engine installation (May 7)

MISSION: STS-85 -- CRISTA-SPAS-2

• VEHICLE: Discovery/OV-103
• LOCATION: Orbiter Processing Facility bay 2
• TARGET LAUNCH DATE/TIME: August 7 at 10:39 a.m. (under review)
• LAUNCH WINDOW: 1 hour, 54 minutes
• TARGET KSC LANDING DATE/TIME: August 19 at 7:27 a.m.
• MISSION DURATION: 10 days, 20 hours, 48 minutes
• CREW: Brown, Rominger, Davis, Curbeam, Robinson, Tryggvason
• ORBITAL ALTITUDE and INCLINATION: 160 nautical miles/57 degrees

NOTE: Inspections on Discovery's water spray boiler are complete and forward reaction control system installation is slated for Wednesday. Payload premate activities continue through this week.

STS-85 SCHEDULED OPERATIONAL MILESTONES (dates are target only):

• FRCS installed (April 23)

MISSION: STS-86 -- 7th MIR DOCKING and LOGISTICS MODULE

• VEHICLE: Endeavour/OV-105
• LOCATION: Orbiter Processing Facility bay 3
• TARGET LAUNCH DATE/TIME: September 24 at 10:55 p.m. (under review)
• LAUNCH WINDOW: 7-10 minutes
• TARGET KSC LANDING DATE/TIME: October 4 at 3:18 a.m.
• MISSION DURATION: 9 days, 4 hours
• CREW: Wetherbee, Bloomfield, Parazynski, Titov, Chretien, Lawrence (up), Foale (down)
• ORBITAL ALTITUDE and INCLINATION: 170 nautical miles/51.6 degrees

NOTE: The Space Shuttle Endeavour arrived in OPF bay 3 at about 7 p.m. last night. Technicians will gain access to the orbiter's forward and aft compartments today and begin preparations to open the payload bay doors tomorrow. The "pyro can" bolt holes and assembly plates in Endeavour's aft compartment will be inspected to determine if any deformation exists.

STS-86 SCHEDULED OPERATIONAL MILESTONES (dates are target only):

• Payload bay doors open (tomorrow)
• Ferry kit removal (April 30)

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