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Expedition 25 Crew Takes Command of Station

Published by Klaus Schmidt on Tue Sep 28, 2010 9:08 am via: NASA
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With Friday’s departure of three Expedition 24 crew members, the remaining crew members, now designated as Expedition 25, began the first of two weeks as a three-person crew.

Flight Engineer Shannon Walker worked with the Selectable Optical Diagnostics Instrument – Aggregation of Colloidal Suspensions (SODI-Colloid) experiment. SODI-Colloid seeks to study the properties of a peculiar, solvent mediated aggregation of colloidal particles. The experiment will contribute to the creation of new materials and products in space, and on Earth it will improve such colloids as paints, food products, drug delivery systems and ceramics by providing a better understanding of colloidal behavior.

Expedition 25 Commander Doug Wheelock works aboard the International Space Station. Credit: NASA TV

Expedition 25 Commander Doug Wheelock works aboard the International Space Station. Credit: NASA TV

Walker joined Commander Doug Wheelock in some routine maintenance on the station’s COLBERT treadmill, which is part of the crew’s regular exercise equipment.

Wheelock also worked to replace a hose in the Water Recovery System’s (WRS) Water Processing Apparatus. He also analyzed water samples from the WRS.

Flight Engineer Fyodor Yurchikhin performed routine maintenance on the environmental control and life support system in the Zvezda service module. In addition, he did a regular update of the station’s inventory.

A new trio of Expedition 25 crew members – NASA astronaut Scott Kelly and Russian cosmonauts Alexander Kaleri and Oleg Skripochka – will launch from the Baikonur Cosmodrome on Oct. 7 (Oct. 8 in Kazakhstan) and arrive on the station about 48 hours later.

Expedition 24 Commander Alexander Skvortsov, accompanied by Flight Engineers Tracy Caldwell Dyson and Mikhail Kornienko, was at the controls of the Soyuz TMA-18 spacecraft as it undocked Friday night from the space station’s Zvezda module. Following a normal descent, the crew landed early Saturday morning near Arkalyk, Kazakhstan.

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