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NASA and Arizona-based space startup Katalyst have successfully launched a robotic spacecraft on a groundbreaking mission to rescue one of the agency’s most valuable scientific satellites before it falls out of orbit. The mission represents one of the first commercial attempts to extend the operational life of a government spacecraft through on-orbit servicing, highlighting a new era in sustainable space operations.

The spacecraft, named LINK, lifted off aboard a Northrop Grumman Pegasus rocket released from a Lockheed TriStar aircraft over the Pacific Ocean after weather-related delays. Developed under a $30 million NASA contract, LINK was designed, built, and tested in just nine months to carry out the complex satellite recovery mission.

Its target is NASA’s Neil Gehrels Swift Observatory, a space telescope launched in 2004 to study gamma-ray bursts, black holes, neutron stars, and distant galaxies. The observatory has no onboard propulsion system and has been gradually losing altitude due to atmospheric drag, placing it at risk of re-entering Earth's atmosphere later this year.

Over the next several weeks, LINK will carefully approach the observatory before attempting an autonomous docking maneuver. Once securely attached, the robotic spacecraft will slowly tow Swift to a higher orbit nearly 600 kilometers above Earth, significantly extending the satellite’s operational lifespan and allowing scientists to continue valuable astronomical observations.

NASA officials say the mission could become a major milestone for future satellite servicing programs. Instead of replacing aging spacecraft with costly new missions, robotic servicing vehicles could refuel, repair, reposition, or extend the lives of satellites already operating in orbit, reducing both costs and space debris.

Katalyst executives also emphasized the mission’s strategic importance beyond science. Demonstrating reliable satellite servicing technology could strengthen national space capabilities as global competition in commercial and defense-related space technologies continues to accelerate.

If successful, the mission could pave the way for a new commercial industry focused on maintaining and upgrading satellites in orbit, fundamentally changing how governments and private companies manage expensive space assets for decades to come.