Archivo de la etiqueta: International Space Station

Crew Preps for Thursday Spacewalk During Station Upkeep, Research

NASA astronauts Thomas Marshburn and Kayla Barron are reviewing the procedures they will use during Thursday’s spacewalk. The duo will exit the International Space Station after setting their U.S. spacesuits to battery power at 7:10 a.m. EST signifying the start of their spacewalk.

Marshburn and Barron are getting ready to replace a faulty antenna system outside on the orbiting lab’s Port-1 truss structure. Live NASA TV coverage of the spacewalk begins Thursday at 5:30 a.m. on the agency’s website, and the NASA app.

The pair were joined by fellow flight engineers Mark Vande Hei, Raja Chari and Matthias Maurer, including spacewalk specialists on the ground, for a spacewalk procedures conference on Wednesday. Vande Hei and Chari from NASA will help Marshburn and Barron in and out of their spacesuits as well as monitor the pair during the six-and-a-half-hour spacewalk. Maurer from ESA (European Space agency) will be commanding the Canadarm2 robotic arm maneuvering Marshburn and gear during the antenna swap work.

While the two spacewalkers gear up for Thursday’s excursion, the station’s other three astronauts and two cosmonauts still had time for electronics and communications servicing while conducting microgravity research.

Vande Hei replaced a failed global positioning system receiver as Chari photographed the condition of electronics gear that supports commercial spaceflight operations. Maurer checked tested electrical hardware and switches inside the Columbus laboratory module.

In the station’s Russian segment, Roscosmos Flight Engineer Pyotr Dubrov studied how stress during and after a space mission affects the immune system. Station Commander Anton Shkaplerov worked on Russian video equipment and began setting up additional crew quarters for an upcoming Soyuz crew ship mission.

Learn more about station activities by following the space station blog, @space_station and @ISS_Research on Twitter, as well as the ISS Facebook and ISS Instagram accounts.

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Mark Garcia

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Station Spacewalk Now Planned for Thursday

After receiving additional information about a late notification debris event on Monday, NASA determined the orbit of the debris does not pose a risk to a scheduled spacewalk by Thomas Marshburn and Kayla Barron or to International Space Station operations. Delaying the spacewalk provided an opportunity for NASA to evaluate the risk from the debris notification. The spacewalk to replace a faulty antenna system on the station’s truss structure is now planned for Thursday, Dec. 2.

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Mark Garcia

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NASA Teams Delay Spacewalk After Debris Notification

The evening of Monday, Nov. 29, NASA received a debris notification for the International Space Station. Due to the lack of opportunity to properly assess the risk it could pose to the astronauts, teams have decided to delay the spacewalk planned for Tuesday, Nov. 30 until more information is available. The space station schedule and operations are able to easily accommodate the delay of the spacewalk. The latest information and future spacewalk dates will be shared on https://blogs.nasa.gov/spacestation.

Learn more about station activities by following the space station blog, @space_station and @ISS_Research on Twitter, as well as the ISS Facebook and ISS Instagram accounts.

Get weekly video highlights at: http://jscfeatures.jsc.nasa.gov/videoupdate/

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Mark Garcia

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NASA TV Covers Station Spacewalk Live on Tuesday

NASA astronauts Thomas Marshburn and Kayla Barron are scheduled to exit the International Space Station’s Quest airlock Tuesday for a spacewalk that will focus on replacing an S-band Antenna Subassembly (SASA) with a spare already available on the station’s truss structure.

Live coverage of the spacewalk will air on NASA Television, the agency’s website, and the NASA app beginning Nov. 30 at 5:30 a.m. EST, with the crew members scheduled to set their spacesuits to battery power about 7:10 a.m., signifying the start of their spacewalk.

Marshburn and Barron will work at the Port 1 (P1) truss structure, where the antenna is mounted. The antenna recently lost its ability to send signals to Earth via NASA’s Tracking and Data Relay Satellite System. Although its degradation has had limited impact on station operations, mission managers decided to install a new antenna to ensure communications redundancy. The space station has additional low-rate S-band systems, as well as the high-rate KU-band communications system that relays video.

During the planned six-and-a-half hour spacewalk, Marshburn will position himself at the end of the Canadarm2 robotic arm, working in tandem with Barron. Astronaut Matthias Maurer of ESA (European Space Agency) will control the robotic arm from inside the space station.

This will be the 245th spacewalk in support of space station assembly. Marshburn will be extravehicular crew member 1 (EV 1), with red stripes on his spacesuit, while Barron will be extravehicular crew member 2 (EV 2), with an unmarked suit.

This will be the fifth spacewalk for Marshburn, the first spacewalk for Barron, and the 13th spacewalk on the space station this year. The pair arrived for a six-month science mission at the space station Nov. 11 with NASA’s SpaceX Crew-3 mission aboard the Crew Dragon Endurance.

Learn more about station activities by following the space station blog, @space_station and @ISS_Research on Twitter, as well as the ISS Facebook and ISS Instagram accounts.

Get weekly video highlights at: http://jscfeatures.jsc.nasa.gov/videoupdate/

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Mark Garcia

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Astronauts Ready for Tuesday’s Spacewalk

Two NASA astronauts are preparing for a spacewalk on Tuesday to replace a faulty antenna system on the International Space Station. Flight Engineers Thomas Marshburn and Kayla Barron will exit the orbiting lab tomorrow after setting their U.S. spacesuits to battery power at 7:10 a.m. EST signifying the start of their spacewalk.

The duo was joined on Monday by three of their fellow Expedition 66 flight engineers collecting tools and reviewing procedures planned for the six-and-a-half-hour spacewalk. NASA astronaut Raja Chari partnered with Marshburn and Barron gathering and organizing tethers, cameras, and pistol grip tools. The three astronauts then joined NASA astronaut Mark Vande Hei and ESA (European Space Agency) astronaut Matthias Maurer for a procedures conference with spacewalk specialists on the ground.

Chari and Vande Hei will be on duty throughout Tuesday monitoring the two astronauts during the spacewalk and helping them in and out of their spacesuits. Maurer will be at the controls of the Canadarm2 robotic arm assisting the spacewalkers at the Port-1 truss structure worksite. NASA TV begins its live coverage on Tuesday at 5:30 a.m. on the agency’s website, and the NASA app.

The station’s two cosmonauts, Flight Engineer Pyotr Dubrov and Commander Anton Shkaplerov, spent their day on a variety of space research and maintenance tasks in the orbiting lab’s Russian segment. Dubrov photographed the condition of the Nauka multipurpose laboratory module following the Prichal module’s docking on Friday. Shkaplerov swapped out life support hardware and began unpacking cargo from the newly arrived Prichal docking port.

Learn more about station activities by following the space station blog, @space_station and @ISS_Research on Twitter, as well as the ISS Facebook and ISS Instagram accounts.

Get weekly video highlights at: http://jscfeatures.jsc.nasa.gov/videoupdate/

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Mark Garcia

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