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Submittted by Arthur N1ORC - Amsat A/C #31468

>Allard Beutel
>Headquarters, Washington                         Jan. 26, 2005
>(Phone: 202/358-4769)
>James Hartsfield
>Johnson Space Center, Houston
>(Phone: 281/483-5111)
>     The residents of the International Space Station are back inside their home 
>after venturing outside this morning. The crew performed a 5-hour, 28-minute 
>spacewalk to install a work platform, cables and robotic and scientific 
>experiments on the exterior of the Zvezda Service Module.
>Clad in Russian Orlan spacesuits, Expedition 10 Commander Leroy Chiao and Flight 
>Engineer Salizhan Sharipov left the Pirs Docking Compartment airlock at 2:43 a.m. 
>EST. They quickly set up tools and tethers for their excursion. With no one 
>inside, Station systems were either deactivated or put in autonomous operation 
>for the duration of the spacewalk. Hatches were also closed between the U.S. and 
>Russian segments of the complex in the unlikely event the crew would not have 
>been able to return to the outpost.
>The crew first installed a Universal Work Platform at the forward end of the 
>large conical section of Zvezda. They mounted a German commercial experiment 
>called Rokviss (Robotics Component Verification on ISS) on the platform.
>The Rokviss consists of a small double-jointed manipulator arm, an illumination 
>system and a power supply. Chiao and Sharipov also installed cabling and an 
>antenna for the robotic device to receive commands. At first the antenna did not 
>receive the proper power. Chiao and Sharipov returned to the antenna work site 
>and remated two electrical connectors.  Russian engineers then reported the 
>Rokviss system was operating normally.
>The system will be commanded by operators on the ground at the German Space 
>Operations Center outside Munich or the German Aerospace Research Institute 
>during periods when the Station is flying over Germany. The crew from a 
>workstation inside Zvezda can also operate it. Rokviss will test the ability of 
>lightweight robotic joints to operate in the vacuum of space for future assembly 
>work or satellite repair and servicing.
>Chiao and Sharipov moved a Japanese commercial experiment from one bracket on the 
>outside of Zvezda to an adjacent bracket. The experiment resembles an open 
>attache case. It is designed to collect data on micrometeoroid impacts and the 
>effect of the microgravity environment on a number of materials housed on witness 
>plates. The Expedition 3 crew first deployed the experiment on the Station in 
>October 2001.
>Chiao and Sharipov then moved to another section of Zvezda to inspect nearby 
>environmental system vents. The vents are used for the Elektron oxygen-generator, 
>the Vozdukh carbon dioxide scrubber and a particle contaminant purification 
>Sharipov reported he saw both a white and brownish residue near the Elektron and 
>Vozdukh ports and what appeared to be an oily substance on insulation surrounding 
>the ports. Russian specialists added the task to the spacewalk a few weeks ago in 
>light of recent technical problems with those systems. The specialists will 
>analyze photos taken by Sharipov to see whether any corrosion or clogging of the 
>vent ports may have contributed to periodic problems with those components.
>As the spacewalk drew to a close, the crew installed a Russian experiment called 
>Biorisk near the hatch to the Pirs airlock. Biorisk consists of several canisters 
>on a bracket that contain microorganisms and materials. The experiment will 
>collect data on the effect of the space environment for ecological analysis back 
>on Earth.
>The crew returned to Pirs and closed the hatch, completing their spacewalk at 
>8:11 a.m. EST. They are scheduled to reactivate Station systems and open the 
>hatches to the U.S. segment before going to bed. The crew will begin its sleep 
>period early this afternoon and enjoy an off-duty day tomorrow.
>This was the first spacewalk for Sharipov and Chiao's fifth. The excursion was 
>the 57th in support of Station assembly and maintenance, the 32nd staged from the 
>Station itself and the 14th from Pirs. A total of 343 hours and 45 minutes of 
>spacewalking time has been logged during the Station's lifetime.
>Chiao and Sharipov are scheduled to conduct a second spacewalk in late March to 
>install additional equipment for the maiden arrival of the European Space 
>Agency's "Jules Verne" Automated Transfer Vehicle (ATV) cargo ship. The unpiloted 
>cargo carrier is targeted for launch late this year.
>Information about crew activities on the Space Station, future launch dates and 
>Station sighting opportunities from Earth, is available on the Internet at:
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