lundi 27 mars 2017

Weekend Robotics Work Sets Up Thursday Spacewalk











ISS - Expedition 50 Mission patch.

March 27, 2017

International Space Station (ISS). Image Credit: NASA

The Pressurized Mating Adapter-3 (PMA-3) was robotically removed Sunday from the Tranquility module and attached to the Harmony module after being prepared during a successful spacewalk Friday. A second spacewalk is scheduled for Thursday at 8 a.m. EDT to finalize the PMA-3 cable connections on Harmony.

Download hi-res video of briefing animations depicting the activities of all three spacewalks: https://jscfeatures.jsc.nasa.gov/videoupdate/

Commander Shane Kimbrough disconnected cables from PMA-3 while still attached to Tranquility during a spacewalk on Friday. That work allowed ground controllers to use the Canadarm2 robotic arm to remotely grapple and remove PMA-3 from Tranquility and attach it to Harmony.


Image above: Astronaut Shane Kimbrough takes an out-of-this-world selfie during a spacewalk on March 24, 2017. Image Credit: NASA.

The relocation readies the PMA-3 for the future installation of the new International Docking Adapter-3 (IDA-3) set to be delivered on a future cargo mission. The IDA-3 will accommodate commercial crew vehicle dockings and provide the pressurized interface between the station and the adapter.

Thursday’s spacewalk will see Kimbrough and Peggy Whitson complete the PMA-3 attachment work on the Harmony’s space-facing port. The duo will also install computer relay boxes containing software upgrades to enable future commercial crew vehicle dockings at the International Space Station.

Related links:

Space Station Research and Technology: https://www.nasa.gov/mission_pages/station/research/index.html

International Space Station (ISS): https://www.nasa.gov/mission_pages/station/main/index.html

Images (mentioned, Text, Credits: NASA/Mark Garcia.

Best regards, Orbiter.ch

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