From Halopedia, the Halo wiki
Eden Rising was a vessel in service with the United Nations Space Command.
In 2557, the Eden Rising entered through the Forerunner portal in New Mombasa, transporting a UNSC research team to Installation 00. Soon after their arrival, the team - including Archaeologist Nathaniel J. Palmer, Brewer and the AI Isabel - established a brand new UNSC outpost and activated dormant Retriever Sentinels in order to start repairing the damaged Ark.
The ship is named after the biblical "garden of God" described in the Book of Genesis.
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