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Wednesday, July 18, 2001, 6 p.m. CDT
STS-104 Mission Control Center Status Report #14

Atlantis and International Space Station crews will continue the activation of the station's new Quest airlock this evening. They also will replace a leaky valve in an Intermodule Ventilation (IMV) Assembly in the station's Unity node. That valve, which is now capped, will be replaced by another valve from the U.S. laboratory Destiny. The Destiny valve will not be needed until the station's second node arrives no earlier than November 2003.

Atlantis Commander Steve Lindsey and Expedition Two Flight Engineer Jim Voss will do the valve replacement. It will be tested for several hours to ensure it is not leaking. Atlantis spacewalkers Mike Gernhardt and Reilly, assisted by Pilot Charlie Hobaugh will continue testing equipment of the new airlock Quest. The three astronauts also will transfer equipment to Quest for the third spacewalk of the mission. That spacewalk is scheduled for Friday evening and will be the first out of the new airlock.

Atlantis Mission Specialist Janet Kavandi and Expedition Two Flight Engineers Jim Voss and Susan Helms will install the Hatch between Quest's Crew Lock and Equipment Lock. The hatch is currently in its launch position at the interface between the airlock and the Unity node. After the hatch is installed in its new position, it will be tested for leaks for more than eight hours.

Station Commander Yury Usachev will spend his day working with one of the station's payload computers, performing periodic maintenance on several of the station's Russian systems and helping fellow crewmate Voss replace valves on the Airlock to continue linking the new module with the station's life support systems.

At about 2:30 a.m. Thursday, Lindsey will fire Atlantis' engines in a series of pulses during a one-hour period to boost the station's altitude. This will be the third and final reboost scheduled for this mission.

The Atlantis crew was awakened at 4:04 p.m. Wednesday by Sheryl Crow's "All I Wanna Do." The song was played for the entire crew from their training team.

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


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