Halo Nation


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Service information

Began service


Ended service

2496 (presumed)

Physical information


Female AI programming


A woman wearing a toga, a sickle in her belt, and a wreath of wheat crowning her head.[1]

Historical information


United Nations Space Command/Colonial Military Administration

Primary function

Shipboard AI

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Lorelei was a "smart" Artificial intelligence (A.I for short) assigned to the CMA Season of Plenty in 2489.


On September 22, 2489, as the ship was preparing to jump to slipspace, Lorelei shut herself down for routine maintenance, which resulted in Lieutenant Commander Nevel ordering Ensign Otto Seinmann to do slipspace calculations by hand.

Seinmann had Crewman Apprentice Preston Cole do most of the work for him instead. When Lorelei reappeared, she found Seinmann's initial calculations to be very rough. However, when she and Nevel saw Cole's work, they were surprised to find that he had actually come up a new method for calculating input parameters. Thoroughly impressed, Lorelei and Nevel recommended Cole for Luna Officer Candidate School later that year.


  • Lorelei is referred to as a new "smarter" AI, suggesting that she was a first generation "smart" AI.[2]
  • Her name contains seven letters. A potential 7 reference.

List of appearancesEdit


Known UNSC AIs
AineAraquielAuntie DotBlack BoxBeowulfCaptain TeachChaunceyCortanaDeep Winter
DopplerDurgaDéjàEndless SummerEternal SpringFitzGibbonIonaJerrodJulianaKalmiya
LacklusterLokiLoreleiLysitheaMackMamaMelissaMo YePallas AthenaPhoenix
OrlinRebeccaRolandSekmetSerinaSifSolipsilSuperintendent (Vergil) • ToranWatchmakerWellsley

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