The Daily Broadcast: Canadarm2 EVA Fixed, Artemis III Beams 4K, MRV Launches

The Daily Broadcast: Canadarm2 EVA Fixed, Artemis III Beams 4K, MRV Launches

Canadarm2 Wrist Replaced During Seven-Hour EVA

NASA astronauts Jessica Meir and Chris Williams completed U.S. spacewalk 95 on June 30, spending 7 hours and 20 minutes outside the station’s Quest airlock to replace the wrist joint on Canadarm2. The Canadian-built robotic arm malfunctioned during operations on May 27, drawing elevated motor current and failing to move correctly.

7 The International Space Station’s (ISS) crew grew by three members with the arrival of the Soyuz MS-29 mission on July 14. Earlier, NASA astronauts Jessica Meir and Chris Williams wrapped wrapped… | Source: NASASpaceFlight

The EVA, which ended at 19:40 UTC, marked Meir’s fifth career spacewalk and Williams’ second, and stood as the 280th spacewalk conducted in support of International Space Station assembly and maintenance.

Station operations continued July 1 when the Russian Progress 95 cargo vehicle fired its engines for nine and a half minutes to reboost the station for the arrival of Soyuz MS-29. The three-person Russian crew joined the station on July 14 aboard the Soyuz. Progress 95 itself has been docked to the Zvezda module’s aft port since arriving on the station following its April 26 launch from the Baikonur Cosmodrome.

Artemis III to Stream Live 4K Video via Starlink Lasers

NASA is equipping the Orion spacecraft for the Artemis III mission with two Starlink mini laser terminals, giving ground viewers a live high-definition look at the 2027 flight. The terminals will transmit 4K video and high-resolution imagery to the Mission Control Center in Houston.

During Artemis III, four astronauts will test Orion’s approach and docking with the commercial lunar landing systems needed for the 2028 return of humans to the Moon. According to NASA, the upgrade aims to “provide a front row seat for viewers from the Orion spacecraft.”

The integrated Starlink terminals use infrared optical communications rather than traditional radio, vastly expanding available bandwidth. The hardware builds on the technology powering the more than 25,000 laser links connecting the Starlink satellite constellation, and was previously demonstrated by SpaceX during a 2025 NASA test flight. Artemis II also used a similar NASA laser system to carry high-definition video and photos to ground receivers during its mission.

The integration falls under NASA’s Communications Services Project, run by the agency’s Space Communications and Navigation division, as NASA shifts toward commercial satellite services for missions close to Earth.

Northrop’s MRV-RSGS Launches Toward GEO

Northrop Grumman’s Mission Robotic Vehicle, carrying the NASA-supported Robotic Servicing of Geosynchronous Satellites payload, lifted off from Cape Canaveral on July 21 aboard a rare expendable Falcon 9 and is now en route to geosynchronous Earth orbit.

The Mission Robotic Vehicle hosts twin dexterous robotic arms designed and developed by the U.S. Naval Research Laboratory and provided by the Defense Advanced Research Projects Agency, which funds the RSGS programme. The spacecraft will inspect and upgrade satellites in GEO by installing small propulsion modules called mission extension pods, extending the operational life of existing spacecraft for years.

NASA’s Goddard Space Flight Center in Greenbelt, Maryland, has supported the RSGS mission since 2024 under an interagency agreement with DARPA. NASA is contributing simulation and analysis tools, software analysis for performance verification, and a team of flight robot operators for the in-orbit procedures. NASA’s contributions draw on its servicing legacy, including the Hubble Space Telescope servicing missions and the Robotic Refueling Missions conducted aboard the International Space Station.

With hundreds of satellites in geosynchronous orbit, many fully functional spacecraft are decommissioned early because they run out of fuel or their equipment becomes obsolete. RSGS is intended to establish a U.S. capability to extend on-orbit lifetimes rather than replace hardware.

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