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Spacewalk Training, Science and Maintenance for Station Crew

Published by Klaus Schmidt on Fri Oct 19, 2012 6:38 am via: NASA
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The Expedition 33 crew members living and working aboard the International Space Station Thursday participated in training exercises and made preparations for an upcoming spacewalk. They also performed a variety of science experiments and worked to maintain the systems aboard the orbiting laboratory.

Commander Suni Williams and Flight Engineer Aki Hoshide participated in ammonia contamination response training exercises and configured equipment to prepare for an upcoming spacewalk. During the excursion, Williams and Hoshide will venture out of the Quest airlock on to the exterior of the station to repair an ammonia leak in the P6 truss radiator.

Hoshide assembled and activated components on the Aquatic Habitat, which is a facility for the study of small, freshwater fish on orbit. Scientists hope to learn more about the impacts of radiation, bone degradation, muscle atrophy and developmental biology using the habitat.

Hoshide also performed some housekeeping duties in the Port Crew Quarters, cleaning the intake and exhaust duct, fan and airflow sensor.

Later, Hoshide had some time set aside to answer questions about life in space during an in-flight event with Dentsu and Google+ moderated by fellow Japan Aerospace Exploration Agency astronaut Soichi Noguchi.

Williams was busy with a variety of maintenance duties throughout the station Thursday, including replacing the Centralized Cabin Filter in the Columbus Cabin Heat Exchanger and draining the Recycle Tank to conduct a leak check of the system.

She also replaced and refilled the Recycle Tank in the Regenerative Environmental Control and Life Support System and repaired a Turbine Flowmeter in the Exercise Kinetics experiment.

Flight Engineer Yuri Malenchenko worked in the Russian segment of the station, monitoring its systems and performing a variety of housekeeping and maintenance duties.

He also worked with the Identification experiment, which examines the station’s dynamic loads during events such as dockings and reboosts.

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