Mission Objectives

A categorical priority system is used to guide the ordering of key operations tasks and places the highest value on ensuring crew safety. The priorities for STS-101/2A.2a are: 1. ISS ingress/safety - Take air samples - Monitor carbon dioxide - Deploy portable, personal fans - Measure air flow - Rework/modify ISS ducting - Replace air filters - Replace Zarya fire extinguishers, smoke detectors 2. Critical replacements/repairs/spares - Replace four suspect batteries on Zarya - Replaced failed or suspect electronics for Zarya's batteries - Replace Radio Telemetry System memory unit - Replace port early communications antenna - Replace Radio Frequency Power Distribution Box - Clear Space Vision System target 3. Incremental assembly/upgrades - Complete assembly of Strela crane - Install additional exterior handrails - Set up center-line camera cable - Install "Komparus" cable inserts - Reseat the U.S. crane 4. Assembly parts & equipment - Transfer U.S. hardware - Transfer Russian hardware - Provide EVA tools - Supply IVA kit 5. Pre-position/stow equipment & provisions for future missions 6. Resupply - Water and water transfer, stowage equipment - Docking mechanism accessory kit - Film and video tape for documentation - Office supplies - Personal items 7. Crew health maintenance - Exercise equipment - Medical support supplies - Formaldehyde monitor kit - Passive dosimetry system 8. Detailed test objectives - Monitor cabin air - SOAR Options If there is sufficient shuttle propellant following Atlantis' undocking from the ISS, a flyaround inspection will be performed prior to the Shuttle's final separation maneuver.

Crew
Commander:	James D. Halsell
Pilot:	Scott J. Horowitz
Mission Specialist 1:	Mary Ellen Weber
Mission Specialist 2:	Jeffrey N. Williams
Mission Specialist 3:	James S. Voss
Mission Specialist 4:	Susan J. Helms
Mission Specialist 5:	Yuri V. Usachev

Launch
Orbiter:	Atlantis OV104
Launch Site:	Kennedy Space Center Launch Pad 39B
Launch Window:	5 Minutes
Altitude:	173 Nautical Miles
Inclination:	51.6 Degrees
Duration:	9 Days 20 Hrs. 36 Min.

Vehicle Data
Shuttle Liftoff Weight:	4519645 lbs.
Orbiter/Payload Liftoff Weight:	lbs.
Orbiter/Payload Landing Weight:	221271 lbs.

Payload Weights
ICC	3,700 pounds
MARS	270 lb

Software Version:

OI-27

Space Shuttle Main Engines: (1 MB pdf)
SSME 1:  2052	SSME 2:  2044	SSME 3:  2047

External Tank:   ET-103A

SRB Set:  BI-102PF/RSRM-75

Shuttle Aborts

Abort Landing Sites    RTLS:  Kennedy Space Center Shuttle Landing Facility    TAL:    Zaragoza    AOA:   Edwards Air Force Base, California

Landing
Landing Date:	05/29/00
Landing Time:	2:20 AM (eastern time)
Primary Landing Site:	Kennedy Space Center Shuttle Landing Facility

Payloads

Cargo Bay

BioTube Precursor Experiment

SPACEHAB

Integrated Cargo Carrier

Mission to America's Remarkable Schools

Space Experiment Module 6

In-Cabin

HTD 1403 Micro Wireless Instrumentation System (Micro WIS) HEDS Technology Demonstration