Editing Materials Group

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'''Materials Group''' is a division of the [[Office of Naval Intelligence]] that is responsible for researching, developing, and manufacturing technologically advanced material. The Materials Group's most important development has been the design of the [[MJOLNIR Powered Assault Armor]] and the [[powered exoskeleton]]s which preceded it,<ref name="EVG 118">'''[[Halo: The Essential Visual Guide]]''', ''page 118''</ref><ref name="EVG 119">'''Halo: The Essential Visual Guide''', ''page 119''</ref><ref name="EVG 120">'''Halo: The Essential Visual Guide''', ''page 120''</ref>  as well as several specialized variant models.<ref name="EVG 65">'''Halo: The Essential Visual Guide''', ''page 65''</ref><ref name="EVG 66">'''Halo: The Essential Visual Guide''', ''page 66''</ref><ref name="EVG 85">'''Halo: The Essential Visual Guide''', ''page 85''</ref><ref name="EVG 92">'''Halo: The Essential Visual Guide''', ''page 92''</ref><ref name="EVG 152">'''Halo: The Essential Visual Guide''', ''page 152''</ref><ref name="EVG 165">'''Halo: The Essential Visual Guide''', ''page 165''</ref>

=== Powered exoskeletons ===

In [[2511]], Dr. [[Catherine Halsey]] began designing a powered combat suit to complement the [[Orion Project|Orion Project, Generation II]], which would later become the [[SPARTAN-II program]]. Materials Group, which had been experimenting powered exoskeletons for at least eleven years,<ref name="ENC"/> was tasked with developing this system at [[CASTLE Base]] on [[Reach]]. Materials Group began with the [[MJOLNIR Powered Assault Armor#Mark I exoskeleton|Mark I exoskeleton]], which had entered development in [[2500]];<ref name="ENC"/> this exoskeleton allowed the wearer to lift nearly two tons and to run at 32 km/h (19.88 mph) for an extended period of time, featured advanced tactical computers that could provide real-time data to the wearer's standard [[neural interface]], and was armed with an integrated 30mm minigun.<ref name="ENC">'''[[Halo: Encyclopedia]]''', ''pages 88 and 89''</ref><ref name="TFoR">'''Halo: The Fall of Reach''', ''page 70'', (2001 edition) ''page 79''</ref> However, the Mark I proved too large and cumbersome, its need to be physically tethered to a power generator, and its potentially fatal hypersensitivity to the user's movement resulted in its abandonment.<ref name="ENC"/><ref name="TFoR"/>

 

 

Materials Group then attempted to improve the [[MJOLNIR Powered Assault Armor#Mark III exoskeleton|Mark III exoskeleton]], which had been introduced [[2510|the previous year]].<ref name="EVG 44">'''Halo: The Essential Visual Guide''', ''page 44''</ref> Though the Mark III did not have to be physically tethered to a power source, it had to receive broadcast power, similar to an [[orbital defense platform]] and its [[Orbital defense generator|remote generators]], and thus still had limited functional range. Furthermore, if the exoskeleton's power flow was disrupted, the operator would become trapped inside. While the Mark III represented a considerable improvement over the two previous models, it was also abandoned. Halsey and Materials Group then accepted that all three exoskeletons were limited by their power sources and would prove impractical in combat.<ref name="ENC"/><ref name="TFoR"/><ref name="TFoR2">'''Halo: The Fall of Reach''', ''page 115 (2001 edition)'', ''page 137 (2010 edition)''</ref>

 

====HRUNTING/YGGDRASIL====

Smitten by the perceived failures of the Mark I, Mark II, and Mark III exoskeletons, Halsey decided to completely overhaul the program, starting Project: MJOLNIR. Materials Group was then reassigned to this project, which Halsey felt was the realization of the powered armor program's overall goals.<ref name="EVG 118"/><ref name="EVG 44"/><ref name="TFoR2"/> The team abandoned the "Mark" system used when developing the exoskeletons, as Halsey wished to distance herself and the project from past failures.<ref>'''[[Dr. Halsey's personal journal]]''', ''date ???''</ref> MJOLNIR, rather than being a bulky powered exoskeleton, would be a self-contained, nearly form-fitting body suit; it would augment the wearer's physical abilities to superhuman levels, though it would require [[SPARTAN-II augmentation procedures|dangerous genetic modification]] to function safely. The [[MJOLNIR Powered Assault Armor/Mark IV|first iteration of MJOLNIR]] was developed at Materials Group's [[Damascus Materials Testing Facility]] on [[Chi Ceti IV]], and was introduced to the recently graduated Spartans on [[2525#November|November 27, 2525]].  

Halsey intended for MJOLNIR to remain a single, continuous system that would be incrementally updated as upgrades became available. However, in [[2535]] Materials Group mandated that subsequent iterations of MJOLNIR be released in distinct stages as a means of fiscal oversight; thus, against Halsey's wishes, the original version of MJOLNIR was retroactively named the Mark IV, suggesting continuity with the long-abandoned Mark I, II, and III exoskeletons.<ref>'''Dr. Halsey's personal journal''', ''January 7, 2535''</ref> Materials Group [[MJOLNIR Powered Assault Armor/Mark IV#Advanced Hardware Program|continued to develop the main MJOLNIR series]], resulting in several superficially distinct versions which, despite their drastically different appearances, were all classified as the Mark IV due to their internal architecture.<ref name="way-mjol">[http://halo.xbox.com/en-us/intel/related/video/the-mjolnir-project-2/46e89c1a-f619-41e2-ad7f-ab65c61ca2df '''Halo Waypoint''': ''The MJOLNIR Project Part 2'']</ref>

On [[2551|November 24, 2551]], the [[MJOLNIR Powered Assault Armor/Mark V|Mark V]] generation was introduced.<ref name="EVG 119"/><ref>[http://halo.bungie.net/News/content.aspx?type=topnews&link=BWU_012910 '''Bungie.net''': ''Bungie Weekly Update - 1/29/10'']</ref> This version featured [[energy shielding]] technology, which was previously thought to be impossible to reverse-engineer from [[Covenant Empire|Covenant]] technology. It also introduced the ability to accommodate a starship-grade [[smart artificial intelligence]]. In late 2552, the [[MJOLNIR Powered Assault Armor/Mark VI|Mark VI]] was introduced. Though it offered few groundbreaking improvements over the Mark V, aside from an automated [[biofoam]] injection system, numerous components were refined, making the Mark VI among the most powerful pieces of technology ever created by [[human]]ity.

**[[GRENADIER-class Mjolnir|Grenadier]] variant - Developed from early prototypes of the original MJOLNIR (later Mark IV) helmet. Provides superior armor and improved heads-up display to improve performance of grenadiers.<ref name="EVG 85"/>

**[[EOD-class Mjolnir|EOD]] variant - Designed to increase survivability when in close proximity to an explosion. Developed and manufactured at the Damascus Materials Testing Facility, the development site of the original MJOLNIR.<ref name="EVG 65"/>

**[[EVA-class Mjolnir|EVA]] variant - One of the earliest MJOLNIR variants. Designed to aid Spartans' mobility, field of view, and endurance during [[extra-vehicular activity]]. Developed and manufactured at Materials Group's [[Low/Zero Gravity Testing Facility]] in [[Lister]], [[Aigburth]], [[Ganymede]].<ref name="EVG 66"/>

**[[HAZOP-class Mjolnir|HAZOP]] variant - Introduced as a variant of the Mark V system. Designed to improve survivability in extremely hazardous environments. Prototypes were fielded in the years prior to launch.<ref name="EVG 92"/>

**[[RECON-class Mjolnir|Recon]] variant - Designed to improve stealth by reducing infrared signature and [[Čerenkov radiation]] emissions. Developed at the [[Beta-5 Division]]'s [[Beta-5 Division Ordnance Testing Facility|Ordnance Testing Facility]] in [[Swanbourne]], [[wikipedia:Western Australia|Western Australia]], parallel to the S variant.<ref name="EVG 152"/> After the Human-Covenant War, the [[Imbrium Machine Complex]] took ownership of Recon production.

**[[SCOUT-class Mjolnir|Scout]] variant - Designed to improved stealth by reducing infrared signature and Čerenkov radiation emissions. Developed at B5D Ordnance Testing Facility in Swanbourne, Western Australia, parallel to the Mark VI/R variant.

**EOD variant

**EVA variant

**Scout variant

**Recon variant

*[[MJOLNIR Powered Assault Armor (GEN2)|MJOLNIR Powered Assault Armor [GEN2]]] - The second generation of MJOLNIR armor, replacing GEN1 (Mark IV-VII)

**[[DECIMATOR-class Mjolnir|Decimator]] variant

**EVA variant

**[[PROTECTOR-class Mjolnir|Protector]] variant

**[[SCANNER-class Mjolnir|Scanner]] variant

**Scout variant

**[[SOLDIER-class Mjolnir|Soldier]] variant

**[[WARRIOR-class Mjolnir|Warrior]] variant

*[[MJOLNIR Powered Assault Armor (GEN3)]] - The third generation of MJOLNIR armor, replacing the former two MJOLNIR generations.

[[File:Damascus Facility.png|thumb|The Damascus Materials Testing Facility on Chi Ceti IV.]]

*[[Damascus Materials Testing Facility]] - When this facility was attacked by the Covenant vessel ''[[Unrelenting]]'' on [[2525#November|November 27, 2525]], the SPARTAN-IIs were deployed to destroy the ship, resulting in the death of [[Samuel-034]]. The Covenant then deployed a [[science lance]] to the facility to retrieve any useful technology,<ref>'''[[Halo Wars]]''' timeline</ref> though this incursion was seemingly unsuccessful, as Materials Group held the facility throughout the [[Human-Covenant War]].<ref name="EVG 85"/> The Damascus facility's staff developed both the EOD and Grenadier variants of the MJOLNIR system.

*[[Low/Zero Gravity Testing Facility]] - This facility developed and manufactured the MJOLNIR EVA variant after the [[Summa Deep Space Incident]], prompting a desire to improve performance in limited-gravity/evacuated environments.<ref name="EVG 66"/>

*[[Weapons Research Facility T12A]] - This facility's HRUNTING research team was responsible for the development of the [[HRUNTING Mark III (B) Exoskeleton]], commonly known as the Cyclops. Later, HRUNTING was merged with [[Project YGGDRASIL]], leading to the development of the [[HRUNTING/YGGDRASIL Mark I Prototype Armor Defense System]]. This facility was attacked by the Covenant during or after [[2548]], and was destroyed when a [[Ghost (Marine)|sergeant]] from the [[UNSC Marine Corps of Engineers]] activated the self-destruct sequence of the only known HRUNTING/YGGDRASIL suit, killing the invading Covenant forces.<ref name="EVG 44"/><ref>'''Halo Legends''', ''Prototype''</ref>

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*''[[Halo 4]]'' {{Indirect appearance}}

*''[[Halo: Nightfall]]''

**''[[Halo: Nightfall: ONI: Walk the Path|ONI: Walk the Path]]'' {{Mo}}

*''[[Halo Infinite]]'' {{Mo}}

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