Headlines > News > Station Crew Wraps Up Busy Week, Performs Maintenance and Science

Station Crew Wraps Up Busy Week, Performs Maintenance and Science

Published by Klaus Schmidt on Sat Aug 21, 2010 6:46 am via: NASA
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The Expedition 24 crew members aboard the International Space Station focused on maintenance and science tasks Friday after a busy week of system reconfiguration work related to the newly replaced ammonia pump module.

Throughout the week, crew members and teams on the ground worked together to return the station’s systems back to their normal configuration following the replacement of the failed ammonia pump module that took down cooling Loop A on the night of July 31. With Loop A fully functional and the replacement pump operating normally, the station crew resumed a regular work schedule.

Commander Alexander Skvortsov and Flight Engineer Shannon Walker are pictured near a robotic workstation in the Destiny laboratory of the International Space Station. Credit: NASA

Commander Alexander Skvortsov and Flight Engineer Shannon Walker are pictured near a robotic workstation in the Destiny laboratory of the International Space Station. Credit: NASA

Flight Engineers Doug Wheelock and Tracy Caldwell Dyson performed three spacewalks to replace the pump.

With the spacewalks and repairs completed, Wheelock and Caldwell Dyson worked in the Quest airlock to reconfigure and stow spacewalk equipment.

Wheelock and Flight Engineer Mikhail Kornienko gathered and stowed unneeded equipment and trash in the ISS Progress 38 cargo craft that will be undocked on August 31 and deorbited on September 6. The ISS Progress 39 cargo craft is set to launch to the station on September 8.

Flight Engineer Shannon Walker worked with the VO2max experiment, which involves recording the oxygen intake of exercising crew members before, during and after their stays aboard the station to evaluate and document the changes in their aerobic capacity.

Commander Alexander Skvortsov conducted an acoustic survey of sound levels at various locations aboard the station using a sound level meter and sent the data collected to specialists on the ground for analysis.

Over the weekend, the six crew members will complete their daily physical exercise routines to counteract the effects of long-term exposure to weightlessness in space. They also will enjoy some off-duty time, continue regular maintenance duties and have an opportunity to speak with family members.

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