It is charged with the SPARTAN-III Program and is also known for its extreme decryption facilities. The helmet used by Beta-5 security forces is a shared asset between branches of the UNSC military and has also been adopted as a MJOLNIR variant.
- Halo: The Fall of Reach (First appearance) (Mentioned only)
- Halo: Ghosts of Onyx
- Halo: Evolutions - Essential Tales of the Halo Universe
- Halo: Reach (Mentioned only)