NASA's Swift Rescue Mission Fails as LINK Spacecraft Re-enters Atmosphere

Catalyst Space Constructors announced on September 25 that its LINK robotic spacecraft failed to complete its mission to boost the orbit of NASA's Swift observatory. The LINK vehicle re-entered Earth's atmosphere after departing its orbit. The LINK spacecraft was launched on July 3 with the objective of capturing and lifting the Swift telescope's orbit to extend its scientific operational life. However, the spacecraft encountered issues during system debugging after launch. LINK experienced an electronic fault shortly after reaching orbit, causing two of its three reaction wheels to fail. A reaction control valve also malfunctioned, leading to rapid spinning and loss of communication. Engineers regained partial attitude control using thrusters and a remaining reaction wheel, but this significantly consumed propellant. NASA and Catalyst determined that LINK did not have sufficient fuel to safely execute the capture and orbital boost mission. The rescue attempt was officially terminated on August 19. In the subsequent weeks, the team used remaining time to test LINK's robotic arms and maneuver the spacecraft to within 12 to 15 kilometers of Swift, capturing images. LINK operated in orbit for 85 days, with the total mission cost at $30 million. Swift Observatory, launched in 2004, primarily observes gamma-ray bursts and is known for its rapid response capabilities. Its design life was two years, but it has operated for over 20 years. Due to increased atmospheric drag from solar activity, Swift's orbit has been declining, and it lacks its own propulsion system. NASA had stated that without intervention, Swift was expected to re-enter the atmosphere later this year. NASA officials stated that despite the mission's failure, it provided valuable experience for future satellite rescue efforts. Catalyst CEO Lee Geun-hee said the company will apply lessons learned from this mission to future satellite recovery projects.