EVA-pattern prototype refitted for orbital raids. The Enhanced Mobility Subsystem embedded in the HERMES prototype is so powerful that only a handful of Spartans can use it safely.
Mjolnir Powered Assault Armor/Hermes is a variant of Mjolnir [GEN2] used by SPARTAN-IVs. It is a version of the EVA armor refitted for orbital raids. The armor features an Enhanced Mobility Subsystem that is so fast and powerful only a handful of Spartans can use it.
- Halo 5: Guardians (First appearance)