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During the Battle of Arcadia, the Radiant Perception engaged the Halcyon-class light cruiser UNSC Roman Blue, commanded by then-Captain Terrence Hood. Emerging victorious in the engagement, the Radiant Perception proceeded to recover a navigation buoy that contained information relevant to the disappearance of the UNSC Spirit of Fire.
- Halo: Escalation (First appearance)
- Halo: Fractures - Extraordinary Tales from the Halo Canon
- Into the Fire (Mentioned only)
- Halo: Smoke and Shadow