The primary mission objectives for STS-101 is to deliver supplies to the International Space Station, perform a spacewalk and then reboost the station from 230 statute miles to 250 statute miles. Detailed objectives include ISS ingress/safety to take air samples, monitor carbon dioxide, deploy portable, personal fans, measure air flow, rework/modify ISS ducting, replace air filters, replace Zarya fire extinguishers and smoke detectors. Critical replacements, repairs and spares will also be done to replace four suspect batteries on Zarya, replace 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 and clear Space Vision System target. 

Launch Date: May 19, 2000 6:11 a.m. EDT Launch Vehicle: Atlantis Crew: Mission Commander : James D. Halsell, Jr. Pilot : Scott J Horowitz Mission Specialists : Susan J. Helms, Mary Ellen Weber, Jeffrey N. Williams, Yuri Vladimirovich Usachev, James S. Voss.