Planetary Security Intelligence: Difference between revisions

A '''Planetary Security Intelligence''' is a type of [[artificial intelligence]] construct in service with the [[UNSC]].<ref>'''[[Halo: Contact Harvest]]''', ''page 184''</ref> One such PSI is [[Loki]], who served on the {{UNSCShip|Skidbladnir}}. They are generally kept secret by, in one case, swapping positions with another AI. They help conduct defense operations and evacuations in the event of an invasion of a [[United Nations Space Command#Sphere of Influence|UNSC colony]] by [[Covenant Empire|Covenant forces]], an example of such being the first Covenant [[First Battle of Harvest|invasion]] of [[Harvest]].