May 27, 2022

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Astronauts Raja Chari and Matthias Maurer ISS Spacewalk

The astronauts completed 6 hours and 54 minutes of spacewalking to install space station upgrades

Astronauts Raja Chari and Matthias Maurer were photographed replacing an external HD camera during a 6 hour 54 minute space walk today. Credit: NASA TV

Expedition 66 Flight Engineer Raja Shari from[{” attribute=””>NASA and Matthias Maurer of ESA (European Space Agency) concluded their spacewalk at 3:26 p.m. EDT on March 23, 2022, after 6 hours and 54 minutes in preparation for upcoming solar array installation.

Maurer and Chari completed their major objective for today to install hoses on a Radiator Beam Valve Module that routes ammonia through the station’s heat-rejecting radiators to keep systems at the proper temperature. The crew members also installed a power and data cable on the Columbus module’s Bartolomeo science platform, replaced an external camera on the station’s truss, and conducted other upgrades to station hardware. The pair deferred a few secondary tasks, such as torque resets and cable routing, to a future spacewalk.

It was the 248th spacewalk in support of space station assembly, upgrades, and maintenance, and was the second in Chari’s career and the first for Maurer. Chari and Maurer are in the midst of a planned six-month science mission living and working aboard the microgravity laboratory to advance scientific knowledge and demonstrate new technologies for future human and robotic exploration missions as part of NASA’s Moon and Mars exploration approach, including lunar missions through NASA’s Artemis program.

In the video above, which was recorded a few days ago, ESA astronaut Matthias Maurer shares a statement about his first spacewalk.

The spacewalk known as US EVA 80 saw the couple step outside international space and spend nearly six and a half hours working in space. Matthias was the EV-2, dressed in an all-white spacesuit, while Raja was a pioneer in spacewalking, known as the EV-1, in a white spacesuit with red stripes.

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Their tasks included installing hoses on the radiator beam valve unit that route ammonia through the station’s heat-rejecting radiators to regulate system temperatures, installing a power and data cable on the Bartolomeo science platform outside ESA’s Columbus unit, replacing an external camera on the station’s gears, and making other upgrades for station devices.