Canon

SECURITY-class Mjolnir

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Security
In the Halo 3 multiplayer map Blackout, a Spartan-II, clad in the SECURITY-class Mjolnir variant, is wielding a BR55HB battle rifle. Screenshot from Halo: The Master Chief Collection.
GEN3
HINF SECURITY GEN3 Helmet Icon.png
GEN2
Green Background Security.png
GEN1 Mark VI
HTMCC H3 Security Crop.png
GEN1 Mark V
SECURITY-class Mjolnir from Halo: Reach armor permutation in Halo: The Master Chief Collection menu.
Production overview

Manufacturer(s):

Misriah Armory[1]

Testing site(s):

Mars (development)[1]

Type:

Role(s):

Ship and station defense[6]

 

SECURITY-class Mjolnir, also designated as the MJOLNIR Powered Assault Armor/M variant, is a MJOLNIR armor variant adapted from an infiltration prevention suit designed by Misriah Armory.[1]

GEN1 overview[edit]

Development history[edit]

The Security variant was first manufactured in the Misriah Armory facility on Mars in 2528.[7] After Mark V was released, this armor was adapted to its use. Like most MJOLNIR variants, the later model of the Security helmet had been upgraded to be compatible with all MJOLNIR Mark VI variants.[2] The Mark V iteration of the helmet is compatible with CBRN, UA, CNM and HUL attachments.

After the first wave of GEN2 systems, based on requests of veteran Spartan-II and Spartan-III operatives, the UNSC Ordnance Commission considered reassessing a refined and upgraded version of the EVA-class Mjolnir suit. This led to the creation of the WRATH-class Mjolnir where its right shoulder pad is based off the Mark V Security shoulders.[8][9] SECURITY [GEN1] helmets continued to be used by Misriah Armory's executive protection teams after the Covenant War. These helmets have been upgraded to be compatible with GEN2 systems, though corporate representatives balk at releasing its custom VISR.[10] As late as 2560, the GEN1 Security helmet and shoulders could still be requisitioned by Spartans, upgraded to be compatible with GEN3. These helmets are used by Spartans assigned to the Office of Naval Intelligence's Physical and Technical Security Office, used to defend information depots and military sites.[11][12]

  • Mark V variant.
    Mark V variant.
  • Mark VI variant.
    Mark VI variant.
  • GEN2 compatible Mark V variant.
    GEN2 compatible Mark V variant.

GEN2 overview[edit]

Design details[edit]

The GEN2 variant's helmet possesses two watchdog AIs, which lay in wait for potential cyberintrusion attempts, and sensor anomalies that could indicate subversion of connected surveillance networks.[4] The armor also seamlessly integrates with Navy networks and security constructs.[6]

Development history[edit]

The GEN2-era Security set was built to Spartan branch requirements for ship and station defense personnel.[6]

GEN3 overview[edit]

Design details[edit]

The GEN3 Security helmet is specialized in cyber-defense, with dedicated watchdog AI hosting hardware to locate compromised battlenet branches and burn out intruding constructs.[5]

In-game information[edit]

Halo 3[edit]

The Security armor is available as an armor permutation in Halo 3. The set consists of a helmet and shoulders; in the Xbox 360 editions of Halo 3 the helmet additonally comes with a small antenna attachment for the right shoulder. This was retained in the launch-era version of Halo: The Master Chief Collection, though the addition of Halo 3 on PC and the start of Series 2 saw the antenna detached from the helmet and selectable as its own ch