A mission to rescue NASA's aging Swift observatory has been canceled after the specialized spacecraft designed to boost its orbit experienced uncontrollable spinning. Engineers attempted to fix the issue with new software, but the craft's attitude control problems persisted. This failure means the $500 million Neil Gehrels Swift Observatory, operational since 2004, will likely deorbit and burn up later this year. AI
RANK_REASON The cluster describes the failure of a specialized service craft (Link) to perform its intended function for an existing asset (Swift observatory), fitting the 'tool' category.
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