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Station Crew Performs Post-spacewalk Duties and Checks Out Robotics

Published by Klaus Schmidt on Fri Aug 5, 2011 9:18 am via: NASA
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Following the completion of a six-hour, 23-minute spacewalk Wednesday, the Expedition 28 crew members were busy with a variety of post-spacewalk activities and conducted a checkout of Japanese robotics aboard the International Space Station Thursday.

Flight Engineers Sergei Volkov and Alexander Samokutyaev conducted routine maintenance on their Russian Orlan spacesuits and were debriefed during a conference with spacewalk specialists on Earth. They also recharged spacesuit batteries and stowed gear used during the excursion.

During the spacewalk, Volkov and Samokutyaev installed an experimental high-speed laser communications system, retrieved a rendezvous antenna that no longer is needed, installed the Biorisk experiment with three containers, and took a number of photographs. They also deployed a small Amateur Radio on the International Space Station Satellite-1, or ARISSat-1, also known as Radioskaf-V, even though one of its two antennas was missing or damaged. The satellite is equipped with a ham radio transmitter to broadcast greetings in honor of the 50th anniversary of Yuri Gagarin’s launch and includes a student experiment. Because the receive antenna is missing, the satellite’s performance is expected to be degraded somewhat, although its transmit capability will be unaffected. Mission managers deferred the relocation of the Strela-1 cargo boom to a future spacewalk.

Working in the Kibo module, Flight Engineers Satoshi Furukawa and Ron Garan used the Japanese robotic arm to maneuver the Small Fine Arm attachment for a series of thorough checkouts of its joints and manipulative systems. While the main arm of the Japanese Remote Manipulator System can move up to 6.4 metric tons (14,000 pounds) of hardware, the Small Fine Arm, as its name suggests, is designed to handle more delicate operations. Crew members can control the robot arms to install or exchange experiment payloads and hardware located on Kibo’s external platform.

Flight Engineer Mike Fossum collected biological samples, placing them in the Minus Eighty-Degree Laboratory Freezer for ISS in the Destiny laboratory. He also changed out samples in the Combustion Integrated Rack and performed an audit of photo and TV cables.

Commander Andrey Borisenko performed leak checks on the Progress resupply vehicle docked to the aft end of the station before reopening its hatches. The resupply vehicle’s hatches were closed earlier this week as part of Wednesday’s spacewalk preparations. He also monitored systems in the Russian segment of the station and performed a variety of maintenance duties.

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