STS-104, Mission Control Center
                             Status Report # 16
                    Thursday July 17, 2001 - 6 p.m. CDT

 The eight Atlantis and International Space Station crewmembers will start
 their day with a dry run of a spacewalk from the station's new Quest
 airlock, completing their testing and activation of the airlock. Atlantis
 spacewalkers Mike Gernhardt and Jim Reilly, assisted by Pilot Charlie
 Hobaugh and Expedition Two Flight Engineer Jim Voss, will simulate
 spacewalk preparations beginning around 7 p.m.

 Atlantis Commander Steve Lindsey and Mission Specialist Janet Kavandi
 will assist with the final checks of the airlock later in the morning.
 Subsequently, all eight crewmembers will gather to review the procedures
 for Friday's spacewalk, the third of the mission. During that spacewalk,
 Gernhardt and Reilly will attach the final nitrogen gas tank to the
 airlock, assisted by Voss and Expedition Two Flight Engineer Susan Helms
 who will be operating the station's robotic arm. At 10:11 p.m., the two
 crews will participate in a joint news conference with media
 representatives at several NASA centers and the Russian Mission Control
 Center in Korolev. That conference will run for 26 minutes and will be
 shown live on NASA TV. In addition, Lindsey is scheduled to downlink a
 tour of the Quest airlock around 3 a.m.

 Station Commander Yury Usachev will perform various periodic maintenance
 duties on the station's Russian systems, as well as help fellow crewmates
 Voss and Helms prepare for robotics operations related to Friday
 evening's spacewalk.

 The Atlantis crew was awakened at 4:04 p.m. by the song "A Time To Dance"
 by Janet Giroux played by the Space Center Intermediate School Symphonic
 Band. The band was directed by Giroux and the song was played for Reilly.

 The next mission status report will be issued about 6 a.m. Friday or as
 events warrant.