"This is more than a successful test, we are nearing the culmination of decades of work and partnership that began as a vision for on-orbit servicing and it's exciting to be so close to this technology being space-qualified and ready for flight," said Bernard Kelm, acting director of the Naval Center for Space Technology. "The partnership between NRL's spacecraft engineering expertise, DARPA's vision, and Northrop Grumman's commercial space operations expertise have built a system that will transform how we think about satellite operations in geosynchronous orbit."
The program builds on more than 20 years of NRL research into robotic maintenance of satellites about 22,000 miles above Earth. Under a public private partnership, NRL's servicing payload is designed to perform close inspections, orbital adjustments, hardware upgrades, and in-orbit repairs. "The completion of spacecraft thermal vacuum testing marks the most critical milestone of recognizing the NRL-developed payload and MRV are capable of working together as a system," said Dr. Bruce Danly, NRL director of research. "This capability has the potential to extend satellite lifespans, reduce costs, and further enable entirely new types of missions."
RSGS aims to shift the GEO operations model away from expensive redundancy by introducing routine servicing. "This program has always been about more than hardware, it's about the collaboration and dedication of an extraordinary team," said Jim Barnds, NRL RSGS program manager. "NRL not only engineered the robotic payload and its components but also shaped the mission design, flight operations, and detailed modeling and simulation that make this capability viable for both government and commercial operations."
Engineered to Department of Defense reliability standards, the system includes redundant robotic arms, avionics, and mission tools. A comprehensive Rendezvous and Proximity Operations suite with multiple cameras, sensors, and infrared imaging supports safe approaches to client spacecraft. Two robotic arms, outfitted with lights, cameras, and tool changers, will capture, inspect, and upgrade targets using specialized tools, with the option to add new tools after launch.
With TVAC complete at NRL, the spacecraft proceeds to final integrated systems testing this Fall at Northrop Grumman's Dulles, Virginia facility. After launch, MRV and the payload will conduct on-orbit checkout, then demonstrate proximity operations, rendezvous, and servicing on client satellites, including anomaly resolution, orbit modification, upgrades, and inspections. "As the payload heads toward launch, we're proud to see years of effort turn into a capability where the spacecraft and payload will enable over a decade of servicing opportunities", Barnds said. "This is going to change the way the world approaches space operations," he added.
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