MJOLNIR Powered Assault Armor

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Mark VI MJOLNIR armor, being worn by John-117.

The MJOLNIR(Pronunciation: myôl'nir) Powered Assault Armor is a heavy and complex suit of ground infantry armor of the United Nations Space Command designed to be worn by a Spartan II.

Introduction

"Well, I guess it was all obsolete anyway. Your new suit's a Mark VI, just came up from Song Nam this morning." - Master Guns

It was designed by Dr. Catherine Halsey a civilian scientist in the employment of the UNSC Office of Naval Intelligence section three . The armor has undergone several incarnations during the many years of its development. The armor line is named for the mythical weapon Mjölnir, the hammer of the Aesir, weapon of Thor, the Norse god of lightning, thunder, wind, and rain. The origin for the word "Mjölnir" is unknown, though etymological speculation has provided theories for its literal translation. The Icelandic verbs mölva (to crush) and mala (to grind) have been suggested as possible translations. Another theory suggests that Mjolnir might be related to the Russian word молния (molniya) and the Welsh word mellt (both words being translated as "lightning"). This second theory parallels with the idea that Thor, being a god of thunder, therefore might have used lightning as his weapon.

Dr. Halsey's decision to name what most would consider a defensive item after an offensive weapon tells much about her design philosophy for the project.

Armor Versions

Mark I Prototype Exoskeleton

The Mark I battle suits were one of the Navy's first experiments with powered exoskeletons. The Mark I battle armors were bulky exoskeletons that improved strength and stamina of the user's muscles. A person in the suit can lift two tons (4,409 pounds) and run at 32 KPH (19.88 MPH). The armor is nearly impervious to standard light weapons. It could mount a 30-millimeter mini gun that fired on self-targeting armatures that had stun rounds for training and live bullets for actual combat. They could also be equipped with motion sensors and infrared scopes. The suit used a hydraulic system with hydraulic fluid which moved the suit. The suit consumed enormous energy, so it required a large cable to run between it and a fusion generator, which hindered movement, or the use of inefficient broadcast power, and was thus never seen in battle. It was, however, used to carry heavy equipment in docking bays, and dozens of others were dumped in Reach's titanium mines. Dr. Halsey's team had to scrap this concept and redesign the battle armor from the ground up for Project: MJOLNIR.

Mark II PROTOTYPE

The Mark II battle armor incorporated a much more slimmed-down profile, but still required a direct link to a fusion reactor for power. Although the Mark II prototype has this flaw, it is the strongest type of armor in the entire human arsenal.

Mark III PROTOTYPE

The next prototype, the Mark III, incorporated a power transmission-receiver so that power could be transmitted to it much like the Orbital Defense Platforms in orbit of major UNSC colonies. This design was quickly rejected for two reasons, the main reason being that the armor still had a limited operational range, as the power generator could not be moved easily. The second reason was that if the generator was destroyed somehow, the users would become trapped in worthless, metal shells.

MJOLNIR Mark IV

A Spartan in Mark IV armor

Although the earlier attempts at developing powered-armor produced designs that were impractical for battlefield deployment, that changed as soon as the directive came under Dr. Halsey's MJOLNIR Project. The MJOLNIR Mark IV was a radical redesign of the suit taking advantage of many technological leaps. This advanced battle suit was the first to fully integrate with the soldier's body. The suit plugs directly into the soldier's nervous system through a standard issue Neural Interface. The suit's many functions (communications, hydro-static gel levels, environmental systems, etc.) respond to commands issued by the soldier's thoughts.

This is also the first design to successfully utilize the reactive metal liquid crystal as a means of enhancing locomotion. It flawlessly enhances the speed and power of the wearer, a sharp contrast to previous versions which required powered motors to allow the soldiers mobility. Because of this advancement, the design more closely resembles an actual suit of armor, as opposed to a powered exoskeleton. On one level, the soldier moves the suit, and in return, the suit moves the soldier. This allowed for an incredibly compact design when compared to the previous incarnations.

The success of this version was also dependent upon the parallel development of the Spartan-II program, which produced soldiers with the physical prowess required to drive the system. Previous attempts to wear the prototype suit by unaugmented soldiers resulted in their deaths or severe injury due to the extreme reactivity of the system.

The MJOLNIR armor contains an integrated computer system which continuously monitors weapons, biological function, and motion (through an intelligent motion-sensing radar). It should be noted that the Mark IV did not have energy shields.

The suit is air-tight, hardened against vacuum, and features air-filtration systems as well as a built-in rebreather that can last for up to 90 minutes. The suit's helmet also features a standard UNSC mounted flashlight with its own separate power supply. Concealed side compartments in the upper thigh plates allow the Spartan wearer to holster a sidearm.

The armor plates are specifically designed for combat with the Covenant. It resists the Covenant's plasma-based weaponry extremely well; a SPARTAN soldier wearing this armor can survive approximately three times as much damage from plasma weapons than an even a human ODST could in full ballistic re-entry armour. The armor also provides almost complete immunity from ballistic firearms though only in the canon and not the games.

The suit also has a number of other features, including recoil-compensating actuators, hydrostatic gel (to regulate temperature and dampen impact force), and biofoam injectors. However, the biofoam injectors and medical care systems of the Mark IV must be provided with a direct supply of biofoam, medicines, and stimulants from a standard Marine first aid kit when the user is injured, as the suit will not hold or generate a supply of medicines and biofoam, unlike the Mark VI.

The Mark IV Assault armor was fielded from November 27th, 2525 to August 29th, 2552.

MJOLNIR Mark V

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The Mark V armor as it appears in Halo 1

The Mark IV Assault Armor was replaced by the newer Mark V the day prior to the Covenant assault on Reach in 2552, though it was first produced in 2542. The Mark V was the realization of Dr. Halsey's vision. It has hundreds of minor technical improvements over the Mark IV as well as two major modifications.

The first is that it is powered by a slightly larger fusion pack than the Mark IV. This is due to the fact that the Mark V has an integrated dynamic, self-recharging, sophisticated energy shielding system, built upon captured Covenant technology (similar to those used by Elites, but designed from captured Jackal energy shields) that repels mass objects and energy bursts. While impacts on the shield place a substantial drain on the system's power supply, system energy regenerates quickly once the SPARTAN-II moves away from the barrage. However, adapting the shield to cover the entire body has weakened its energy field, making the Mark V vulnerable to ballistic fire, unlike the Jackal shields, which are near impervious to ballistic weaponry. This is unfortunate, as Flood Combat Forms frequently use UNSC weaponry.

The second advancement is the addition of a weave of memory-processor super-conducting material, the same material as an AI's core. This gives the suit nearly the same capacity as a ship-borne AI system. This, along with an upgrade to the standard-issue neural implant, allows an AI to inhabit the suit of armor and the mind of the Spartan wearing it, greatly enhancing the interface between the suit and the wearer as well as the obvious benefits of having the incredible information processing power of an AI, which is intended to assist the Spartan in real-time by monitoring communication channels, computer relays, and friendly combat updates.

The MJOLNIR Mark V and VI are equipped with magnetic pads placed throughout the suit, on the belt, thighs and back. LOTUS Anti-Tank Mines and HAVOK Nukes can be held here when the Spartans are ordered to destroy a ship or base.

The lethality of this system was demonstrated by Spartan 117, when he and the AI Cortana successfully fought their way across a planet-like, artificial ring-world called Halo.

The helmet is featured as one of the many multiplayer Armor Permutations in Halo 3

MJOLNIR Mark VI

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The MJOLNIR Mark VI as it appears in Halo 2

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Mark VI Armor Permutation in Halo 3.

The Mark VI of the MJOLNIR battle armor addresses some of the weaknesses of the earlier models. The energy shielding system recharges significantly faster and is notably stronger. The armor plating, while less bulky, is denser, therefore offering as much, if not more, protection than previous models. The suit is more streamlined than the Mark V. This version of the armor can now track the status of two active weapons at the same time.

It also appears from observation of Spartan John-117's performance during the 1st Battle for Earth that an improved reactive metal liquid crystal layer has been developed for this suit, increasing the mobility of the Spartan even further, although this has yet to be confirmed. However, this claim can be reinforced by such facts as faster melee attacks in Halo 2 Campaign, slightly faster jumping speed,and jump height. Spartan-117's physical performance appeared to have improved considerably.

Also, the armor can now heal minor to moderate injuries over a course of time, due to an onboard supply of biofoam, which is automatically injected into the wearer's body, filling and sealing wounds, and numbing the pain. This new capability eliminates the need to manually apply a medkit or seek a field medic in order to tend to injuries. The biofoam effectively treats all but the most critical wounds, stabilizing the Spartan and allowing him to perform his duties, even while injured, until such a time as more extensive medical attention can be safely applied. It is also likely that the suit automatically increases the pressure level of its hydrostatic gel as the wearer is falling, explaining the lack of fall damage in the second game. According to the Halo 3 intro cinematic, the Mark VI also includes a "lockdown" mode, where the suit retains a rigid form upon sustaining heavy trauma, most likely to avoid further injury. This explains the lack of a ragdoll animation when the player is flying through the air after being hit by a vehicle.

Spartan-117 is the only confirmed Spartan-II to receive the full Mark VI armor. However If you look at the Spartan in the background of the cover of Ghosts of Onyx, one of the Spartan is wearing a Mark VI. Both Spartans on the cover that are not wearing SPI (Semi Powered Infiltration). One presumably is wearing what looks like upgraded Mark V armor, which is almost certainly Kelly-087 though this is only from what we can see on the cover, and there were four Spartan-II's that were not wearing SPI armor on Onyx in Ghosts of Onyx, so this only accounts for two of those Spartans. The Mark VI also appears to be an almost brown color in some Halo 3 media, although this is mainly when the Master Chief is in dry, desert-like regions and it could be due to dust or lighting (see image at top of page).

The MJOLNIR is an adaptable suit of armor, with many variations and modifications possible to it, optimizing it for certain functions.

Armor Components

• Luminous Green Refractive Titanium Alloy (External)
• Matte Black Alloy (External)
• Shields
• Hydrostatic Gel
• Reactive Metal Liquid Crystal Layer
• Pressure Seal

Helmet

Main article: Heads Up Display

One of the most important parts of the MJOLNIR armor units is the MJOLNIR Helmet and Visor with its HUD. The helmet also has on the side a small recharging flood-light, which is useful in combat situations in poorly lit areas. It is solar-powered, recharging its energy from the sun when possible, or just from the MJOLNIR Combat Suit. The visor is also polarized so that one cannot see the wearer's face.

Marathon Reference

The player in Marathon is speculated to be one of the Mjolnir Mk. IV cyborgs that are referred to in terminals throughout the game.

Trivia

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The CMT mod team modeled and skinned a Pre-H1 MC, based on Halo 1 concept art designs.

• "Mjolnir" (Mjølner in Norwegian, Mjölner in Swedish and Mjölnir in German) is the hammer-like weapon that the Norse thunder god Thor uses to make lightning bolts by throwing it.
• It has been confirmed that the armor in Halo 3 is still MJOLNIR Mark VI.
• 343 Guilty Spark evaluates the Master Chief's Mark V armor as a "Type 2 Combat Skin", and comments that the Chief would be safer in a Type 12, implying that the Forerunners were capable of constructing defensive armor at least six times more powerful than MJOLNIR Mark V.
• In both game manuals and in the books it is said that the armor weighs in at 1000 pounds. However, in Halo 3 the armor floats and drifts in water.

Related Links

• Elite Personal Energy Shield
• Master Chief
• Semi-Powered Infiltration Armor
• Forerunner Combat Skin

Sources

• Xbox's Master Chief's Armor: An Overview