Onyx United Research Project

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The Onyx United Research Project is a joint Swords of Sanghelios-Unified Earth Government research group attempting to uncover Forerunner technology on the shield world known as Trevelyan.[1] By 2554, despite the alliance, tensions were still high between the two factions. Aside from conducting research in the field, the Sangheili rarely left the researcher's settlement, Paxopolis.[2]


List of appearances[edit]


  1. ^ Halo: Fractures, "Lessons Learned", page 21
  2. ^ Halo: Fractures, "Lessons Learned", page 25