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Mamore thumbnail from Dr. Catherine Halsey's Computer.
Mamore as it appears in the Silver Timeline.


Mamore system[1]





Over 10.3 million (2511)[2]




Unified Earth Government


Mamore is a human colony world.[3][2]


Topography and ecology[edit]



Mamore was heavily involved in the Insurrection and rebel violence against both military and civilian targets was frequent. In 2511, a terrorist bomber from the Freedom and Liberation Party detonated a commercial nuclear explosive in the Haven arcology, killing 2 million people and injuring 8.3 million others.[2] This attack prompted the UNSC to increase its military presence on the colony. Chyler Silva's parents, both of whom were UNSC military, were part of this response and her family moved to Mamore as a result. Both of her parents were eventually killed in action against rebels.[4]

At some point prior to 2526, lieutenant commander Hector Nyeto read a number of ONI reports that discussed the SPARTAN-IIs effectiveness against the local rebel leadership on Mamore and Jericho VII.[5]

In 2537, there was an insurrection on Mamore. This uprising was quickly and effectively put down by SPARTAN-III Alpha Company.[6]

SPARTAN-B312 participated in a counter-insurgency operation on Mamore on May 10, 2552. During the operation, the SPARTAN's talents as a Sabre pilot were exhibited. This won Colonel Urban Holland's approval and led to the SPARTAN's assignment to Noble Team.[7]

Private Dorking was from Mamore and Rani Sobeck threatened to send him back during the raid on Chawla Base. Sobeck also mentioned the Kelorists, who are all from Mamore. The group has unique tattoo, a cross in a circle, that they use as a symbol of their association as a Kelorist.[8]

Non-canon and dubious canon appearances[edit]

Silver Timeline[edit]

Main article: Mamore/Silver
HTV-SilverTeam logo.png
This article contains information about the Silver Timeline, and is not a part of the established Halo canon.

In the Silver Timeline, Mamore has a long history of anti-UEG sentiment. It's infrastructure was also built up due to displaced peoples from Operation: TREBUCHET and initial Covenant attacks.[9]


The colony is likely named after the Mamoré River, a river which constitutes part of the border between Brazil and Bolivia. This is also suggested by Mamore having a province named Mato Grosso, which shares a name with a Brazilian state.

List of appearances[edit]