MISSION: STS-99 -- SHUTTLE RADAR TOPOGRAPHY MISSION (SRTM)

• VEHICLE: Endeavour/OV-105
• LOCATION: OPF bay 2
• TARGET KSC LAUNCH DATE/TIME: October 1999 (under review)
• LAUNCH WINDOW: 2 hours and 30 minutes
• MISSION DURATION: 11 days, 4 hours and 5 minutes
• CREW: Kregel, Gorie, Kavandi, Voss, Mohri, Thiele
• ORBITAL ALTITUDE and INCLINATION: 126 nautical miles/57 degrees

NOTE: Endeavour's payload bay doors have been reopened following their closure last Friday due to the potential for tropical storm strength winds from Hurricane Dennis over the weekend. Technicians this week will continue with inspections and repairs as necessary of the wiring in the orbiter's midbody. These inspections were required for all Shuttle orbiters following mission STS-93 when a damaged wire to a main engine controller shorted out. Preventative measures are under way to preclude similar wiring damage on all vehicles.

Engineers are continuing to analyze a bent freon line associated with payload bay support equipment for the SRTM payload. The bent line was reported earlier this month by a technician working on wiring inspections in that area of Endeavour's cargo bay. The freon line is part of a cooling system for some of the SRTM electronics. Although the bent line has not shown any evidence of a leak, engineers are evaluating the possibility of either bracing or replacing the line to prevent further damage that could result from vibrations experienced at launch.

Launch options are being reviewed this week for Space Shuttles Endeavour and Discovery. No specific target launch dates will be announced until a review of the wiring inspections is conducted later in the week and managers are satisfied with the progress of repairs.

MISSION: STS-103 -- 3rd HUBBLE SPACE TELESCOPE SERVICING MISSION (HST-3)

• VEHICLE: Discovery/OV-103
• LOCATION: OPF bay 1
• TARGET KSC LAUNCH DATE/TIME: October 1999 (under review)
• LAUNCH WINDOW: 42 minutes
• MISSION DURATION: 9 days, 21 hours and 38 minutes
• CREW: Brown, Kelly, Smith, Foale, Grunsfeld, Nicollier, Clervoy
• ORBITAL ALTITUDE and INCLINATION: 317 nautical miles/28.45 degrees

NOTE: Wiring inspections and repairs continue aboard the orbiter Discovery. The payload bay doors are open following their precautionary closure this weekend due to the potential for high winds from Hurricane Dennis. The crew for mission STS-103 will be at KSC later this week for their scheduled Crew Equipment Interface Test (CEIT).

MISSION: STS-101 -- 3rd INTERNATIONAL SPACE STATION FLIGHT - SPACEHAB DOUBLE MODULE/ICC

• VEHICLE: Atlantis/OV-104
• LOCATION: VAB transfer aisle
• TARGET KSC LAUNCH DATE/TIME: January 22, 2000
• TARGET KSC LANDING DATE/TIME: February 3, 2000
• LAUNCH WINDOW: 5-10 minutes
• MISSION DURATION: 10 days and 19 hours
• CREW: Halsell, Horowitz, Weber, Lu, Williams, Malenchenko, Morukov
• ORBITAL ALTITUDE and INCLINATION: 173 nautical miles/51.6 degrees

NOTE: Orbiter Atlantis is currently being stored inside the Vehicle Assembly Building, awaiting the opening of an Orbiter Processing Facility bay. Preliminary wiring inspections are complete and a more thorough inspection will begin once Atlantis is moved to the Orbiter Processing Facility. Preparations are under way at this time to move Atlantis from the VAB transfer aisle to VAB high bay 2 on Wednesday.

Information about the countdown and mission can be accessed electronically via the Internet at: http://www.ksc.nasa.gov/shuttle/countdown/ and at http://shuttle.nasa.gov/