(1:30 p.m. EST)

MISSION: STS-99 – Shuttle Radar Topography Mission (SRTM)

VEHICLE: Endeavour/OV-105

LOCATION: Pad 39A

TARGET KSC LAUNCH DATE/TIME: Jan. 31, 2000 at 12:47 p.m. EST

TARGET KSC LANDING DATE/TIME: Feb. 11, 2000 at 4:52 p.m. EST

LAUNCH WINDOW: 2 hours and 2 minutes

MISSION DURATION: 11 days and 4 hours

CREW: Kregel, Gorie, Kavandi, Voss, Mohri, Thiele

ORBITAL ALTITUDE and INCLINATION: 126 nautical miles/57 degrees

Work in progress: Today, Shuttle managers confirmed Jan. 31 as Endeavour’s
target launch date with the Eastern Range. Processing at the launch pad
continues on schedule while the flight crew proceeds with orbiter and
payload familiarization activities.

Last night, workers completed orbiter cavity purge efforts in preparation
for tomorrow’s launch day dress rehearsal with the flight crew. Terminal
Countdown Demonstration Test activities will conclude tomorrow at about
11:30 a.m. and the six member flight crew will depart KSC’s Shuttle Landing
Facility for Houston, TX, at about 2:35 p.m. Friday. Orbiter aft
compartment close-outs are under way and will conclude next week. Saturday,
engineers will begin loading Endeavour’s on board storage tanks will fuel.

Processing Milestones (target dates only):

Terminal Countdown Demonstration Test concludes (Jan. 14)

Prelaunch propellant loading concludes (Jan.
15)

Flight Readiness Review(Jan. 18)

MISSION: STS-101 – 3rd ISS Flight (2A.2) – SPACEHAB DM

VEHICLE: Atlantis/OV-104

LOCATION: Orbiter Processing Facility bay 3

TARGET KSC LAUNCH DATE/TIME: no earlier than April 13, 2000

TARGET KSC LANDING DATE/TIME: April 24, 2000

LAUNCH WINDOW: 5-10 minutes

MISSION DURATION: 10 days and 19 hours

CREW: Halsell, Horowitz, Weber, Lu, Williams, Malenchenko and Morukov

ORBITAL ALTITUDE and INCLINATION: 173 nautical miles/51.6 degrees

Work in progress: Wiring inspections and repairs continue in Atlantis’
midbody and aft compartments. Functional testing of the orbiter maneuvering
system pod continues, and servicing of freon coolant loop No. 2 is under
way. Main landing gear wheel and tire assembly installation began today and
concludes tomorrow.

MISSION: STS-92 – 4th ISS Flight (3A) – Z-1 Truss, PMA-3

VEHICLE: Discovery /OV-103

LOCATION: OPF bay 1

TARGET KSC LAUNCH DATE/TIME: No earlier than June 14, 2000 at 8:42 p.m. EDT

TARGET KSC LANDING DATE/TIME: June 24, 2000 at 5:10 p.m. EDT

LAUNCH WINDOW: 10 minutes

MISSION DURATION: 10 days

CREW: Duffy, Melroy, Wakata, Chiao, Wisoff, Lopez-Alegria and McArthur

ORBITAL ALTITUDE and INCLINATION: 173 nautical miles/51.6 degrees

Work in progress: Discovery’s forward reaction control system checks are
complete. Hypergolic deservicing of the orbiter maneuvering system is
ongoing. Inspection of Discovery’s nose landing gear concludes today and
main landing gear work begins next week.

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