SCANNER-class Mjolnir

SCANNER-class Mjolnir is a variant of the MJOLNIR Powered Assault Armor (GEN2) utilized by SPARTAN-IVs.

Development history
It was manufactured by the Materials Group and tested at the Damascus Testing Facility on Chi Ceti IV. It was designed for the facilitation of search-and-rescue strike teams protecting ONI personnel from capture by Insurrection forces.

Halo 4
Unlock: Unlocked by getting the War Games Map Pass. It is also available in the Halo 4 Game of the Year Edition.

Halo 5: Guardians
Unlock: Ultra Rare REQ card

Trivia

 * In Halo 4, Scanner is one of four helmet-only armor sets alongside the Locus, Deadeye, and Strider helmets.
 * It is an exclusive to both the Limited Edition and the stand-alone War Games Map Pass along with MJOLNIR Powered Assault Armor/Strider and the in-game Falcon Emblem.
 * Without the scope attachment, as shown in the concept art, the Scanner helmet would have born a strong resemblance to the Mark V version of the Commando variant helmet, more so than the GEN2 version.
 * In Halo 5: Guardians, the Scanner armor is the same as the Soldier armor

List of appearances

 * Halo 4
 * Halo 5: Guardians