• VEHICLE: Columbia/OV-102
• LOCATION: Orbiter Processing Facility bay 1
• TARGET LAUNCH DATE/TIME: April 3 at 2:01 p.m. EST
• LAUNCH WINDOW: 2 hours, 30 minutes
• TARGET KSC LANDING DATE/TIME: April 19 at about 7:37 a.m. EDT
• MISSION DURATION: 15 days, 16 hours, 36 minutes
• CREW: Halsell, Still, Voss, Thomas, Gernhardt, Linteris, Crouch
• ORBITAL ALTITUDE and INCLINATION: 160 nautical miles/28.45 degrees

NOTE: The payload bay doors were closed last night following final payload bay cleaning and Ku-band stow efforts. The strong backs will be removed today. Aft engine compartment close-outs continue as do final repairs to the body-flap cove. Due to extensive work in the area of the body-flap cove, roll to the VAB is likely to occur no earlier than next Tuesday. Fuel cell voltage checks were successful and complete.

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

* Integrated hydraulic tests of the landing gear and flight controls (Wednesday)

* Roll to Vehicle Assembly Building and mate with external tank (March 4)

* Roll out to Pad A (March 10)

* Hot fire auxiliary power unit No. 2 (March 10)

* Terminal Countdown Demonstration Test (TCDT) (March 13-14)

• VEHICLE: Atlantis/OV-104
• LOCATION: Orbiter Processing Facility bay 3
• TARGET KSC LAUNCH DATE/TIME: May 15 at about 3:49 a.m.
• LAUNCH WINDOW: 7-10 minutes
• TARGET KSC LANDING DATE/TIME: May 24 at about 8:12 a.m.
• MISSION DURATION: 9 days, 4 hours, 23 minutes
• CREW: Precourt, Collins, Foale, Noriega, Lu, Clervoy, Kondakova
• ORBITAL ALTITUDE and INCLINATION: 160 nautical miles/51.6 degrees

NOTE: Installation of the left hand orbital maneuvering engine actuator is complete. The power reactant and storage distribution system has been leak checked and is undergoing decay checks today. Stacking of the solid rocket boosters in the Vehicle Assembly Building also continues.

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

* Install forward reaction control system (March 6)

* Begin installation of Space Shuttle main engines (March 6-7)

* Mate external tank to solid rocket boosters (March 10)

• VEHICLE: Discovery/OV-103
• LOCATION: OPF bay 2
• TARGET LAUNCH DATE/TIME: July 17 at 10:06 a.m.
• LAUNCH WINDOW: 1 hour, 54 minutes
• TARGET KSC LANDING DATE/TIME: July 28 at about 6:54 a.m.
• MISSION DURATION: 10 days, 20 hours, 48 minutes
• CREW: Brown, Ashby, Davis, Curbeam, Robinson, Tryggvason
• ORBITAL ALTITUDE and INCLINATION: 160 nautical miles/57 degrees

NOTE: Access to the orbiter's aft engine compartment and mid-body continue today. The payload bay doors will be opened later in the week and the payloads removed next Monday.

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

* Open payload bay doors (Thursday)

* Remove payloads (March 3)

* Complete off-load of residual hypergolic propellants (March 5)

* Remove Space Shuttle main engines (March 28)

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