|This article, UNSC Ignis Fatuus, was written by Rangerkid51. Please do not edit this fiction without the writer's permission.|
|This article, UNSC Ignis Fatuus, is currently under active construction.|
The UNSC Ignis Fatuus is an Excelsior-class Science Prowler, and a member of the ONI Prowler Corps. It is the most advanced ship in the Prowler Corps.
Ignis Fatuus is latin for "Foolish Fire".