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{{Era|H3|RVB|RE}}
{{Status|Canon}}
{{Ratings}}
{{Armor infobox
|name=EOD
|image= {{tabcontainer|title2=GEN2|content2=[[File:H4 MJOLNIR EOD.png|250px]]|title3=GEN1 Mark VI|content3=[[File:HTMCC H3 EOD Crop.png|250px]]|title4=GEN1 Mark V|content4=[[File:HR EOD Helmet.jpg|250px]]|title5=GEN1 Mark IV|content5=[[File:HINF-MarkIVEOD.png|250px]]}}
|manufacturer=[[Materials Group]] (GEN1){{Ref/Book|Id=EVG|EVG|Page=65}}<br>
[[Naphtali Contractor Corporation]] (GEN2){{Ref/Book|Id=H4EVG|H4EVG|Page=151}}
|testsite=[[Damascus Testing Facility]] (GEN1){{Ref/Reuse|EVG}}<br>
[[Buffalo Breaker Yards]] (GEN2){{Ref/Reuse|H4EVG}}
|type=MJOLNIR (GEN1)
*[[MJOLNIR Powered Assault Armor/Mark IV|Mark IV]]
*[[MJOLNIR Powered Assault Armor/Mark V|Mark V]]
*[[MJOLNIR Powered Assault Armor/Mark VI|Mark VI]]
[[MJOLNIR Powered Assault Armor (GEN2)|MJOLNIR (GEN2)]]<br>
[[MJOLNIR Powered Assault Armor (GEN3)|MJOLNIR (GEN3)]]
|role=Explosive ordnance disposal
}}
'''EOD-class Mjolnir''' (Explosive Ordnance Disposal), also designated as the '''MJOLNIR Powered Assault Armor/EOD variant''',{{Ref/Game|Id=h3helmet|Game=H3|What=Armor permutations (Halo 3)|WhatText=Spartan Armor Customization|Detail=EOD - Helmet Description|Quote=The Mjolnir/EOD variant was created at UNSC facilities on Chi Ceti 4. The helmet was designed specifically to channel the pressure wave around the user's head, significantly reducing the likelihood of decapitation.}} is a [[MJOLNIR Powered Assault Armor|MJOLNIR armor]] variant originally designed by [[Materials Group]],{{Ref/Reuse|EVG}} with the [[MJOLNIR Powered Assault Armor (GEN2)|GEN2]] version being manufactured by the [[Naphtali Contractor Corporation]].{{Ref/Game|Id=H4|Game=H4|What=Armor permutations (Halo 4)|WhatText=Spartan Armor Customization|Detail=EOD Description|Quote=Abilene's NCC took over production of this Mjolnir kit in 2554.}}


[[File:EODArmor.png|thumb|right|The MJOLNIR '''EOD''' Variant.]]
==GEN1 overview==
===Design details===
The helmet was designed to channel the pressure wave of a nearby detonation around the user's head, significantly reducing the likelihood of decapitation in the event of an explosion.{{Ref/Reuse|h3helmet}} The MJOLNIR/EOD variant's pauldrons and chest plate were designed specifically to reduce the number of grabbing edges on the armor, decreasing the likelihood of dismemberment and protecting [[Spartan]]s during operations that involve the handling of explosive ordnance (e.g., clearing/planting land mines, demolishing enemy structures/material and, or planting/defusing bombs).{{Ref/Game|Id=h3shoulder|Game=H3|What=Armor permutations (Halo 3)|WhatText=Spartan Armor Customization|Detail=EOD - Shoulder Description|Quote=Developed at the UNSC Damascus Materials Testing Facility on Chi Ceti 4, the Mjolnir/EOD variant was designed specifically to reduce the number of grabbing edges on the armor, decreasing the likelihood of dismemberment.}}{{Ref/Game|Id=h3chest|Game=H3|What=Armor permutations (Halo 3)|WhatText=Spartan Armor Customization|Detail=EOD - Chest Description|Quote=This variant was designed specifically to protect Spartans during operations involving the handling of explosive ordnance (e.g., cleaning/planting land mines, demolishing enemy structures/materiel).}} The helmet can be fitted with the [[AN/PZY-6011Y TYPHON]] and [[AN/PCK-221 FARNDALE]] Command Network Modules, the [[UA/Type E3|Type E3]] UA module and a [[CBRN module#EOD-style module|CBRN module]].


The '''MJOLNIR Powered Assault Armor/EOD variant''', more commonly known as '''Explosive Ordnance Disposal Armor''', and abbreviated as '''EOD Armor''', is a variant of the [[MJOLNIR Powered Assault Armor/Mark V|Mark V]] and [[MJOLNIR Powered Assault Armor/Mark VI|Mark VI]] [[MJOLNIR Powered Assault Armor]] systems.<ref name="descript">'''[[Halo 3]]''', ''Armor description''</ref>
===Development history===
The MJOLNIR/EOD variant was originally created at the UNSC [[Damascus Materials Testing Facility]] on [[Chi Ceti 4]]. The EOD variant is speculated to have been developed in response to the death of [[Samuel-034]] (the first Spartan killed in action) in November 2525{{Ref/Site|Id=Waypoint|D=14|M=03|Y=2011|URL=http://halo.xbox.com/en-us/intel/theuniverse/tech/video/the-mjolnir-project-2/46e89c1a-f619-41e2-ad7f-ab65c61ca2df|Site=Halo Waypoint|Page=MJOLNIR 2|LocalArchive=The MJOLNIR Project}} and entered service in [[2531]].{{Ref/Game|Id=HR|HR|Armor customization (Halo: Reach)|The Armory|Detail=EOD - Helmet Description|Quote=Developed at the Damascus Materials Testing Facility on X Ceti 4; entered service in 2531.
Designed specifically to reduce likelihood of decapitation.}} As late as 2558 the GEN1 Mark V version of the EOD helmet could be requisitioned by [[Spartan Operations]] personnel for use with their GEN2 Mjolnir suits.{{Ref/Game|Id=H5G|Game=H5G|What=Armor permutations (Halo 5: Guardians)|WhatText=Spartan Appearance Customization|Detail=EOD GEN1 - Helmet Description|Quote=The unique combination of safety and life support features in the EOD helmet make it an optimal choice for Spartan assault divers and pioneers who undertake demolition roles. That it also mitigates the risk for decapitation is a bonus.}} With the advent of the [[MJOLNIR Powered Assault Armor (GEN3)|GEN3 Mjolnir]] in [[2559]], both the GEN1 Mark IV and Mark V EOD helmets were upgraded to be compatible with it.{{Ref/Game|Id=HI|HINF|Armor customization (Halo Infinite)|Armor Hall|Detail=EOD - Helmet Description|Quote=Still used in explosive situations where a Spartan needs to keep a good head on their shoulders.}}


== Development and History ==
<gallery>
The MJOLNIR/EOD variant was created at the UNSC [[Damascus Materials Testing Facility]] on [[Chi Ceti 4]]. The helmet was designed to channel the pressure wave of a nearby detonation around the user's head, significantly reducing the likelihood of decapitation in the event of an explosion. The MJOLNIR/EOD variant's pauldrons and chest plate were designed specifically to reduce the number of grabbing edges on the armor, decreasing the likelihood of dismemberment, and protecting [[SPARTAN]]s during operations involving the handling of explosive ordnance (e.g., clearing/planting land mines, demolishing enemy structures/material and, or planting/defusing bombs).<ref name="descript"/>
File:James-005.png|The Mark IV EOD armor worn by [[James-005]] during the [[Battle of Sigma Octanus IV]].
File:Halo EOD.jpg|The Mark V variants of the EOD helmet.
File:EODArmor.png|The Mark VI EOD Variant.
File:H5G EOD Helmet.png|GEN2 compatible Mark V variant
</gallery>
 
===Usage===
EOD is fielded by Spartans deep in enemy lines, allowing them to navigate dangerous territory to disable or destroy enemy mines before the UNSC properly arrived.{{Ref/Reuse|EVG}} In the post-war era, the GEN1 EOD set, specifically the helmet, is still favored by Spartan combat divers and pioneers tasked with demolition roles.{{Ref/Reuse|H5G}}
 
==GEN2 overview==
===Design details===
The helmet has a pressure-resistant hardened rebreather unit. The reactor has alternating heat-tempered balance drives. The pauldrons are flow-distributing ceramic plates.{{Ref/Reuse|H4EVG}} The GEN2 kit also includes anterior torque couplings.{{Ref/Game|Id=H4LE|[[Halo 4 Limited Edition]]|Detail=[[Infinity Briefing Packet|''Infinity'' briefing packet]]}}
 
===Development history===
In [[2554]], Abilene's [[Naphtali Contractor Corporation]] took control over the EOD armor's production,{{Ref/Reuse|H4}} and adjusted the systems plate configuration to reduce the potential for dismemberment during explosive ordnance activity and facilitation.{{Ref/Site|Id=h4guide|URL=http://www.halowaypoint.com/en-us/intel/inteldetail/9c6e4d8c-4060-4751-9f5d-a317fe7ec2c5/eod-|Site=Halo Waypoint|Page=Halo 4 Interactive Guide - Armor Types: EOD|D=23|M=4|Y=2013|LocalArchive=Halo 4 Interactive Guide#Armor Types}} It was tested at the [[Buffalo Breaker Yards]]. They proposed numerous enhancements to the armor's systematic approach to the GEN2 framework.{{Ref/Reuse|H4EVG}}
 
==In-game information==
===''Halo 3'' - Mark VI GEN1===
The EOD [[Armor customization (Halo 3)|armor permutation]] is unlockable in ''Halo 3''. In the ''[[Halo: The Master Chief Collection]]'' edition of ''Halo 3'', the EOD armor (like all ''Halo 3'' permutations) is unlocked by default.
 
The [[Bungie Armor]] is a slight variation of the EOD chestpiece. Bungie Armor lacks the three mid-level lights and has an effect that causes flames to appear around the helmet.
{| class="wikitable" style="width: 75%;"
! style="width: 15%"|Armor
! style="width: 55%"|Description
! style="width: 15%"|Unlock requirements<br>(''Halo 3'')
! style="width: 15%"|Unlock requirements<br>(''Halo: MCC'')
|- align="center"
|rowspan=4|[[File:HTMCC H3 EOD Menu Render.png|100px]]<br/>EOD
|align="left"|'''Helmet:''' The Mjolnir/EOD variant was created at UNSC facilities on Chi Ceti 4. The helmet was designed specifically to channel the pressure wave around the user's head, significantly reducing the likelihood of decapitation.
|Unlock the [[Campaign Complete: Legendary]] achievement.
|rowspan=4|Unlocked by default.
|- align="center"
|align="left"|'''Shoulder:''' Developed at the UNSC Damascus Materials Testing Facility on Chi Ceti 4, the Mjolnir/EOD variant was designed specifically to reduce the number of grabbing edges on the armor, decreasing the likelihood of dismemberment.
|Complete ''[[The Ark (level)|The Ark]]'' on [[Legendary]] difficulty.
|- align="center"
|align="left"|'''Chest:''' This variant was designed specifically to protect Spartans during operations involving the handling of explosive ordnance (e.g., cleaning/planting land mines, demolishing enemy structures/materiel).
|Complete ''[[Tsavo Highway]]'' on Legendary difficulty.
|- align="center"
|align="left"|'''MCC:'''  EOD helmets were designed to significantly reduce the likelihood of decapitation.
|N/A
|}


==Characteristics==
===''Halo: Reach'' - Mark V GEN1===
===Halo 3===
The EOD helmet returns in ''[[Halo: Reach]]'', though it features some minor different aesthetics than the Mark VI EOD helmet seen in ''Halo 3''. All EOD helmet variants can be unlocked in the ''[[Halo: Reach]]''{{'}}s [[Armor customization (Halo: Reach)|Armory]] through the game's purchase system via the use of [[Credits|cR]]. In ''Halo: The Master Chief Collection'', the EOD helmet variants are attainable in the [[Season 1: Noble]] progression system.  
{{Main|Halo 3}}
==== Helmet Characteristics ====
'''Unlock''': Unlock the [[Campaign Complete: Legendary]] achievement.<br />
The helmet is mostly squared off with two separate eyepieces, rather than a visor. They are more akin to a pair of goggles unlike the other [[MJOLNIR]] armor variants that are visor-adorned. In actual combat, this would highly increase protection to the face but also reduce the field of vision considerably. The helmet also has a single plate over the nose and mouth and a pair of rectangular objects along each cheek, assumed to be jowls protectors or lengthy re-breathers.


==== Shoulder Pauldron Characteristics ====
The default EOD helmet features the [[CBRN module]], which is also available for the [[SECURITY-class Mjolnir|Security]] and [[GUNGNIR-class Mjolnir|GUNGNIR]] helmets.
'''Unlock''': Complete [[The Ark (Level)|The Ark]] on Legendary difficulty.<br />
The shoulder pauldrons are large and rounded. They have been optimized for EOD missions and are designed to decrease the chances of dismemberment if the wearer is caught in a blast.


==== Chest Characteristics ====
{| class="wikitable" style="width: 75%;"
'''Unlock''': Complete [[Tsavo Highway (Level)|Tsavo Highway]] on Legendary difficulty.<br />
! style="width: 15%"|Armor
The chest plate is thicker than the other chest permutations, and has a broadly curved front with a steep backcurve on the sides. This construction is intended to increase the survivability of the wearer by providing greater projectile resistance and by deflecting concussion waves around the body and to the side.
! style="width: 55%"|Description
! style="width: 15%"|Unlock requirements<br>(''Halo: Reach'')
! style="width: 15%"|Unlock requirements<br>(''Halo: MCC'')
|- align="center"
|[[File:HR EOD Helmet Icon.png|75px]]<br/>EOD helmet
|align="left"|Developed at the Damascus Materials Testing Facility on X Ceti 4; entered service in 2531.<br>Designed specifically to reduce likelihood of decapitation.
|{{Rank/HR|sgt|link=yes}}, 15,000 cR
|[[Series 1: Noble|Series 1]] Tier 29, {{SeasonPoint|1}}
|- align="center"
|[[File:HR EOD CNM Helmet Icon.png|75px]]<br/>EOD ([[Command Network Module|CNM]])
|align="left"|Command network module; standard issue to UNSC Special Forces unit commanders.
|{{Rank/HR|sgt|link=yes}}, 5,000 cR
|[[Series 1: Noble|Series 1]] Tier 29, {{SeasonPoint|1}}
|- align="center"
|[[File:HR EOD UAHUL Helmet Icon.png|75px]]<br/>EOD ([[Armor accessories/UA|UA]]/[[Hardened Uplink|HUL]])
|align="left"|Up-armored variant with hardened uplink module for MILINT acquisition.
|{{Rank/HR|sgt|link=yes}}, 3,000 cR
|[[Series 1: Noble|Series 1]] Tier 29, {{SeasonPoint|1}}
|}


===Halo: Reach===
===''Halo 4'' - GEN2===
{{Main|Halo: Reach}}
EOD was one of the [[Armor customization (Halo 4)|armor permutations]] to return, albeit completely redesigned for [[GEN2]], in ''[[Halo 4]]''.  In ''The Master Chief Collection'', the EOD set and its alternate Shadow (SHDW) variant are available by default.
==== Helmet Characteristics ====
'''Price''': (Unknown)<br>
The EOD Helmet in ''Halo: Reach'' is only slightly different than its ''Halo 3'' version. Beyond the general graphic improvement, the helmet's visor has been changed from a pair of goggles to a more normal wide slit.


==== Shoulder Pauldron Characteristics ====
{| class="wikitable" style="width: 75%;"
'''Price''': 1000 [[Credit|cR]]<br>
! style="width: 15%"|Armor
Significantly different from their ''Halo 3'' counterparts, the Mark V EOD shoulders appear less bulky, and are strikingly similar to one model of shoulder pauldrons used with the [[UNSC Army]] [[UNSC Army Battle Dress Uniform|battle dress uniform]].<ref>[[:File:Halo Reach - Army Soldier.png|Image of a UNSC Army infantryman in ''Halo: Reach'']]</ref>
! style="width: 55%"|Description
! style="width: 15%"|Unlock requirements <br/>(''Halo 4'')
! style="width: 15%"|Unlock requirements <br/>(''Halo: MCC'')
|- align="center"
|rowspan="4"|[[File:HTMCC H4 EOD Base.png|75px]]<br/>EOD
|align="left"|'''Description (H4):''' Abilene's NCC took over production of this Mjolnir kit in 2554.
|rowspan="4"|Achieve [[Rank (Halo 4)|Spartan Rank 45]].<br>
|rowspan="4"|Unlocked by default.
|- align="center"
|align="left"|'''Helmet description (MCC):''' NCC took over production on this helmet in 2554.
|- align="center"
|align="left"|'''Shoulders description (MCC):''' Modular left/right spaulder from EOD-class armor.
|- align="center"
|align="left"|'''Chest description (MCC):''' Underwent field trials at the Buffalo Breaker Yards.
|- align="center"
|rowspan="4"|[[File:HTMCC H4 EOD SHDW.png|75px]]<br/>EOD Shadow (SHDW) skin
|align="left"|'''Description (H4):''' Customized with SHADOW armor skin.
|rowspan="4"|Complete the [[List of Halo 4 commendations|Regicide Victory - Master commendation]].
|rowspan="4"|Unlocked by default.
|- align="center"
|align="left"|'''Helmet description (MCC):''' EOD helmet customized with SHADOW coating.
|- align="center"
|align="left"|'''Shoulder description (MCC):''' EOD left/right spaulder customized with SHADOW coating.
|- align="center"
|align="left"|'''Chest description (MCC):''' EOD chassis customized with SHADOW coating.
|}


== Trivia ==
===''Halo 5: Guardians'' - Upgraded GEN1===
*The EOD helmet shares similarities with several different helmets from other fictional games and/or universes. Aside from being similar to a respirator, it has a resemblance to the [[starwars:Storm Trooper|Storm Trooper]], [[starwars:Dark Trooper|Dark Trooper]], and [[starwars:Shadow Trooper|Shadow Trooper]] helmets from ''Star Wars'', along with [[starwars:Darth Vader|Darth Vader]]'s helmet. It is also similar to Helghast soldiers in the game ''Killzone'' and the COG soldiers in the game ''Gears of War'', and it bears a slight resemblance to the Combine Overwatch soldiers from the game ''Half-life 2''. The Level 6 Suit, from the survival horror game ''Dead Space'', has a helmet that bears a strong resemblance to the EOD helmet. The helmet and shoulders largely resemble the helmet and shoulder pieces of the Space Marines from ''Warhammer 40k'' as well. Also, the helmet bears a resemblance to the Brotherhood of Steel power armor helmet from ''Fallout 3''.
The Mark V EOD helmet was one of a number of ''Reach''-themed helmets and armors added into ''[[Halo 5: Guardians]]'' via the [[List of REQ cards/REQ Packs|Classic Helmet REQ Pack]].
*The EOD Chest looks just like the [[Bungie Armor]], despite the fact that the Bungie armor makes the player have a flaming helmet.
{| class="wikitable" style="width: 75%;"
*The EOD chest plate bears a very striking resemblance to the armor design of the MJOLNIR Mark V armor's chest plate from ''[[Halo: Combat Evolved]]''. Because of this, many players use it in conjunction with the Mark V helmet and Mark VI shoulders to create an accurate replica of the original Mark V armor from Halo: Combat Evolved.
! style="width: 15%"|Helmet
! style="width: 70%"|Description
! style="width: 15%"|Unlock requirements<br/>(''Halo 5: Guardians'')
|- align="center"
|[[File:H5G REQ Helmets EOD Rare.png|100px]]
|align="left"|The unique combination of safety and life support features in the EOD helmet make it an optimal choice for Spartan assault divers and pioneers who undertake demolition roles. That it also mitigates the risk for decapitation is a bonus.
|align="left"|
*Rare [[List of REQ cards|REQ card]]
*Unlock the [[List of REQ cards/REQ Packs|Classic Helmet REQ Pack]] for {{RP|1,250}}
|}
===''Halo Infinite'' - Upgraded GEN1===
Mark V EOD was made available for [[multiplayer]] Spartan [[Armor customization (Halo Infinite)|armor customization]] in ''[[Halo Infinite]]'' during [[Season 05: Reckoning]]. The Mark IV EOD helmet was made available with [[Content Update 29]].
{| class="wikitable" style="width: 75%;"
! scope="col" style="width: 15%" |Helmet
! scope="col" style="width: 15%" |Manufacturer
! scope="col" style="width: 45%" |Lore
! scope="col" style="width: 10%" |Rarity
! scope="col" style="width: 15%" |Unlock Requirements
|-
|align="center"|[[File:HINF EOD Helmet Icon.png|75px]]<br/>EOD
|[[Materials Group]]
|Still used in explosive situations where a Spartan needs to keep a good head on their shoulders.
|Epic
|[[Season 05: Reckoning]] [[Battle Pass]] level 15 (Free)
|-
|align="center"|[[File:HINF-FCALFA.png|75px]]<br/>[[FC/ALFA]]
|Materials Group
|Optical filters and hardened sensors used for direct observation of exotic radiation bursts, such as those produced by [[NOVA]] detonations.
|Epic
|Season 05: Reckoning Battle Pass level 28 (Premium)
|-
|align="center"|[[File:HINF-MarkIVEOD.png|75px]]<br/>Vannak-134
|[[343 Industries (manufacturer)|343 Industries]]
|Vannak-134 is a front-line fighter who has honed his martial skills against the Covenant's best swordmasters. His early production Mk. IV/EOD provided invaluable data for Materials Group testing and evaluation.
|Epic
|Complete the Ultimate Challenge between February 20 and February 27, 2024
|-
|align="center"|[[File:HINF - Helmet attachment icon - Project ALICO.png|75px]]<br/>Project ALICO
|Materials Group
|Experimental CBRN filtration system that formed the basis of several successful follow-ons for the MJOLNIR program.
|Epic
|Complete the Ultimate Challenge between February 20 and February 27, 2024
|}
====Mark V EOD attachments====
The following attachments are not exclusive to Mark V EOD, and are compatible with other helmets on the Mark V(B) core.
*[[CNM/BNR/FARNDALE]]
*[[CNM/BNR/TYPHON]]
*[[HUL-I/XFTREC/FLAMINGO]]
*[[HUL(3)/BNR/COURIER PEARL]]
*[[TAC/RS/STARLIGHT]]
*[[TAC/RS/WILLOW]]
====Mark IV EOD attachments====
The following attachments are not exclusive to Mark IV EOD, and are compatible with other helmets on the Mark VII core.
*Calling Card
*[[CNM(5)/BNR/FASCINATOR]]
*Flower Power
*[[HUL-I/RS/FACELIFT]]
*Purrfect Audio


== Gallery ==
==Non-canon and dubious canon appearances==
<gallery widths="120" captionalign="left">
===Silver Timeline===
File:Unknown_armor2.jpg|The original render of the helmet.
{{Notice/Silver|category=no}}
eodhelmet.PNG|A render of an EOD helmet, found via a glitch in the [[Halo: Reach Beta]].
A Mark IV EOD helmet is worn by [[Vannak-134/Silver|Vannak-134]] during battles against the Covenant.{{Ref/YouTube|Id=HTVOT|5KZ3MKraNKY|Paramount+|Halo The Series (2022) Official Trailer|Y=2022|M=1|D=30}}
File:Eodshoulder.png|The EOD Shoulder in ''Halo: Reach''.
 
RE-Full Armory Customization.jpg|The EOD helmet in ''Halo: Reach'' Armory.
==Trivia==
File:EOD_Helmet_Reach.jpg|The EOD Helmet in ''Halo: Reach''.
*During the [[Halo: Reach Multiplayer Beta|''Halo: Reach'' Multiplayer Beta]], the final model for the [[GUNGNIR-class Mjolnir|GUNGNIR]] shoulder pauldron was designated as the EOD shoulder pauldrons, and cost 1,000 [[Credits|cR]].{{Ref/YouTube|rRYRscwNMCY|haloinfectedX|Halo: Reach beta Armor (customizations)}}
*The Caduceus emblem that appears on the Mark V EOD helmet also appears on med packs, Army medics, and the [[MJOLNIR Powered Assault Armor/Tactical#Tactical/Trauma Kit|Tactical/Trauma Kit]] armor permutation. This suggests that the EOD may also have an intended secondary role to provide medical assistance to wounded allies in dangerous situations. It's possible that there may be a non-MJOLNIR variant of the helmet for use by UNSC medical personnel, likely in toxic environments where the distinctive CBRN would aid in operations.
 
==Gallery==
{{Linkbox|gallery=yes|gallerypage=Images of MJOLNIR EOD}}
===''Halo 3''===
<gallery>
File:Unknown armor2.jpg|Original render of the Mark VI EOD helmet.
File:H3_MPSpartan_ArmourConcept_6.jpg|''Halo 3'' concept art for the EOD.
File:Cease-fire-h3.jpg|A Spartan in EOD on [[Last Resort]].
File:HTMCC-H3 EODCloseup.jpg|A Spartan clad in full EOD armor.
File:HTMCC H3 EOD Crop.png|Mark VI EOD as rendered in the menu in ''Halo: The Master Chief Collection''.
</gallery>
</gallery>
===''Halo: Reach''===
<gallery>
File:HR_EODHelmet_Concept.jpg|Various concepts for the Mark V EOD helmet.
File:eodhelmet.PNG|A render of an EOD helmet, found via a glitch in the ''[[Halo: Reach Beta]]''.
File:EOD Helmet Reach.jpg|The base EOD helmet in the Armory.
File:HR Invasion Welcome Render.png|Render of a Spartan wearing the EOD helmet, alongside a [[Sangheili Ranger]].
File:EOD Sabre.jpg|A customized Noble Six wearing EOD armor during a cutscene on ''[[Long Night of Solace (level)|Long Night of Solace]]''.
File:HR EOD Helmet.jpg|The EOD helmet in ''[[Halo: The Master Chief Collection]]''.
File:HR EOD CNM.jpg|EOD helmet with CNM attachment.
File:HR EOD UA HUL.jpg|Up-armored EOD helmet with HUL attachment.
</gallery>
===''Halo 4'' and ''Halo Online''===
<gallery>
File:Halo 4 EOD armor skins concept­ art.jpg|Concept art of the MJOLNIR GEN2 EOD armor for ''[[Halo 4]]''.
File:MCC-H4 EODImpact.png|A Spartan-IV wearing GEN2 EOD on ''[[Impact]]''.
File:HO-EOD.png|The GEN2 EOD in ''[[Halo Online]]''.
File:HO EOD trailer.png|The helmet and chestpiece of the GEN2 EOD armor in ''Halo Online'' .
</gallery>
===''Halo: 5 Guardians''===
<gallery>
File:H5G-Gen1EOD.jpg|A Spartan-IV wearing GEN1 Mark V EOD.
File:H5G-PlasmaGrenade.jpg|A Spartan-IV wearing GEN1 EOD.
File:H5G EOD Gen1 WZFF.png|A Spartan-IV wearing the GEN1 EOD helmet on ''[[Escape from ARC]]''.
</gallery>
===''Halo Infinite''===
<gallery>
File:HINF EODConcept.jpg|Concept art of GEN3 EOD for ''[[Halo Infinite]]'', later reused for [[RAMPART-class Mjolnir]].
File:HINF-VannakCharm.png|A Vannak-134 weapon charm in ''Halo Infinite''.
File:HINF-S5Armors.jpg|GEN1 Mark V EOD (right) in ''Halo Infinite''.
File:HINF Spartan EOD 1.png|A Mark V EOD-clad Spartan-IV wielding a Mk50 Sidekick on [[Forbidden]].
File:HINF-DeadlockEOD.png|A Mark V EOD-clad Spartan-IV entering a [[Kaelum Workshop Banshee]].
File:HINF-SilverTeamVannak.jpg|A Mark IV EOD helmet on the [[Yoroi]] core.
File:HINF-EODcomparisons.png|Comparisons between the Mark IV EOD and Mark V EOD helmets.
</gallery>
===Other===
<gallery>
File:HTV-SilverTeam1.png|Vannak-134 wearing a Mark IV EOD helmet in ''[[Halo: The Television Series]]''.
File:HTV-Vannak grimed.jpg|Vannak-134 wearing an EOD helmet in ''Halo: The Television Series''.
File:HTV-EODLondon.jpg|Prop of Vannak's EOD helmet.
File:HTVS2 ReachPosterInt.jpg|Promotional artwork featuring Vannak's EOD helmet for ''Reach''.
</gallery>
==List of appearances==
*''[[Halo 3]]'' {{1st}}
*''[[Halo: Reach]]''
*''[[Halo: Fall of Reach]]''
**''[[Halo: Fall of Reach - Covenant|Covenant]]''
**''[[Halo: Fall of Reach - Invasion|Invasion]]''
*''[[Halo 4]]''
**''[[Infinity Briefing Packet]]''
*''[[Halo 5: Guardians]]''
*''[[Halo Infinite]]''
**''[[Season 05: Reckoning]]''
*''[[Halo: The Television Series Season One]]''
**''[[Contact]]''
**''[[Unbound]]''
**''[[Homecoming (TV Series)|Homecoming]]''
**''[[Reckoning]]''
**''[[Allegiance]]''
**''[[Transcendence]]''
*''[[Halo: The Television Series Season Two]]''
**''[[Sanctuary (TV Series)|Sanctuary]]''
**''[[Sword (TV Series)|Sword]]''
**''[[Visegrád (TV Series)|Visegrád]]''
**''[[Thermopylae (TV Series)|Thermopylae]]''
*''[[Halo: Empty Throne]]''


==Sources==
==Sources==
<references/>
{{Ref/Sources}}


{{MJOLNIR Variations}}
{{Armor/Permutation|H3|HR|H4|H5G|HI}}
[[Category:UNSC]]
{{Navbox/Universe/Mjolnir|Overview|GEN1|GEN2}}
[[Category:Technology]]
[[Category:MJOLNIR armor]]
[[Category: MJOLNIR Armor]]
[[Category:Halo Infinite multiplayer armor permutations]]
[[Category:Halo 5: Guardians multiplayer armor permutations]]
[[Category:Halo: Reach multiplayer armor permutations]]
[[Category:Halo 4 multiplayer armor permutations]]
[[Category:Halo 3 multiplayer armor permutations]]

Latest revision as of 21:52, August 1, 2024

EOD
GEN2
H4 MJOLNIR EOD.png
GEN1 Mark VI
HTMCC H3 EOD Crop.png
GEN1 Mark V
HR EOD Helmet.jpg
GEN1 Mark IV
Epic, 343i, Vannak-134 is a front-line fighter who has honed his martial skills against the Covenant's best swordmasters. His early production Mk. IV/EOD provided invaluable data for Materials Group testing and evaluation.
Production overview

Manufacturer(s):

Materials Group (GEN1)[1]
Naphtali Contractor Corporation (GEN2)[2]

Testing site(s):

Damascus Testing Facility (GEN1)[1]
Buffalo Breaker Yards (GEN2)[2]

Type:

MJOLNIR (GEN1)

MJOLNIR (GEN2)
MJOLNIR (GEN3)

Role(s):

Explosive ordnance disposal

 

EOD-class Mjolnir (Explosive Ordnance Disposal), also designated as the MJOLNIR Powered Assault Armor/EOD variant,[3] is a MJOLNIR armor variant originally designed by Materials Group,[1] with the GEN2 version being manufactured by the Naphtali Contractor Corporation.[4]

GEN1 overview[edit]

Design details[edit]

The helmet was designed to channel the pressure wave of a nearby detonation around the user's head, significantly reducing the likelihood of decapitation in the event of an explosion.[3] The MJOLNIR/EOD variant's pauldrons and chest plate were designed specifically to reduce the number of grabbing edges on the armor, decreasing the likelihood of dismemberment and protecting Spartans during operations that involve the handling of explosive ordnance (e.g., clearing/planting land mines, demolishing enemy structures/material and, or planting/defusing bombs).[5][6] The helmet can be fitted with the AN/PZY-6011Y TYPHON and AN/PCK-221 FARNDALE Command Network Modules, the Type E3 UA module and a CBRN module.

Development history[edit]

The MJOLNIR/EOD variant was originally created at the UNSC Damascus Materials Testing Facility on Chi Ceti 4. The EOD variant is speculated to have been developed in response to the death of Samuel-034 (the first Spartan killed in action) in November 2525[7] and entered service in 2531.[8] As late as 2558 the GEN1 Mark V version of the EOD helmet could be requisitioned by Spartan Operations personnel for use with their GEN2 Mjolnir suits.[9] With the advent of the GEN3 Mjolnir in 2559, both the GEN1 Mark IV and Mark V EOD helmets were upgraded to be compatible with it.[10]

Usage[edit]

EOD is fielded by Spartans deep in enemy lines, allowing them to navigate dangerous territory to disable or destroy enemy mines before the UNSC properly arrived.[1] In the post-war era, the GEN1 EOD set, specifically the helmet, is still favored by Spartan combat divers and pioneers tasked with demolition roles.[9]

GEN2 overview[edit]

Design details[edit]

The helmet has a pressure-resistant hardened rebreather unit. The reactor has alternating heat-tempered balance drives. The pauldrons are flow-distributing ceramic plates.[2] The GEN2 kit also includes anterior torque couplings.[11]

Development history[edit]

In 2554, Abilene's Naphtali Contractor Corporation took control over the EOD armor's production,[4] and adjusted the systems plate configuration to reduce the potential for dismemberment during explosive ordnance activity and facilitation.[12] It was tested at the Buffalo Breaker Yards. They proposed numerous enhancements to the armor's systematic approach to the GEN2 framework.[2]

In-game information[edit]

Halo 3 - Mark VI GEN1[edit]

The EOD armor permutation is unlockable in Halo 3. In the Halo: The Master Chief Collection edition of Halo 3, the EOD armor (like all Halo 3 permutations) is unlocked by default.

The Bungie Armor is a slight variation of the EOD chestpiece. Bungie Armor lacks the three mid-level lights and has an effect that causes flames to appear around the helmet.

Armor Description Unlock requirements
(Halo 3)
Unlock requirements
(Halo: MCC)
HTMCC H3 EOD Menu Render.png
EOD
Helmet: The Mjolnir/EOD variant was created at UNSC facilities on Chi Ceti 4. The helmet was designed specifically to channel the pressure wave around the user's head, significantly reducing the likelihood of decapitation. Unlock the Campaign Complete: Legendary achievement. Unlocked by default.
Shoulder: Developed at the UNSC Damascus Materials Testing Facility on Chi Ceti 4, the Mjolnir/EOD variant was designed specifically to reduce the number of grabbing edges on the armor, decreasing the likelihood of dismemberment. Complete The Ark on Legendary difficulty.
Chest: This variant was designed specifically to protect Spartans during operations involving the handling of explosive ordnance (e.g., cleaning/planting land mines, demolishing enemy structures/materiel). Complete Tsavo Highway on Legendary difficulty.
MCC: EOD helmets were designed to significantly reduce the likelihood of decapitation. N/A

Halo: Reach - Mark V GEN1[edit]

The EOD helmet returns in Halo: Reach, though it features some minor different aesthetics than the Mark VI EOD helmet seen in Halo 3. All EOD helmet variants can be unlocked in the Halo: Reach's Armory through the game's purchase system via the use of cR. In Halo: The Master Chief Collection, the EOD helmet variants are attainable in the Season 1: Noble progression system.

The default EOD helmet features the CBRN module, which is also available for the Security and GUNGNIR helmets.

Armor Description Unlock requirements
(Halo: Reach)
Unlock requirements
(Halo: MCC)
HR EOD Helmet Icon.png
EOD helmet
Developed at the Damascus Materials Testing Facility on X Ceti 4; entered service in 2531.
Designed specifically to reduce likelihood of decapitation.
Halo: Reach rank icon Sergeant, 15,000 cR Series 1 Tier 29, Spartan Point 1
HR EOD CNM Helmet Icon.png
EOD (CNM)
Command network module; standard issue to UNSC Special Forces unit commanders. Halo: Reach rank icon Sergeant, 5,000 cR Series 1 Tier 29, Spartan Point 1
HR EOD UAHUL Helmet Icon.png
EOD (UA/HUL)
Up-armored variant with hardened uplink module for MILINT acquisition. Halo: Reach rank icon Sergeant, 3,000 cR Series 1 Tier 29, Spartan Point 1

Halo 4 - GEN2[edit]

EOD was one of the armor permutations to return, albeit completely redesigned for GEN2, in Halo 4. In The Master Chief Collection, the EOD set and its alternate Shadow (SHDW) variant are available by default.

Armor Description Unlock requirements
(Halo 4)
Unlock requirements
(Halo: MCC)
EOD armor in Halo 4 with no skin.
EOD
Description (H4): Abilene's NCC took over production of this Mjolnir kit in 2554. Achieve Spartan Rank 45.
Unlocked by default.
Helmet description (MCC): NCC took over production on this helmet in 2554.
Shoulders description (MCC): Modular left/right spaulder from EOD-class armor.
Chest description (MCC): Underwent field trials at the Buffalo Breaker Yards.
EOD armor in Halo 4 with SHDW skin.
EOD Shadow (SHDW) skin
Description (H4): Customized with SHADOW armor skin. Complete the Regicide Victory - Master commendation. Unlocked by default.
Helmet description (MCC): EOD helmet customized with SHADOW coating.
Shoulder description (MCC): EOD left/right spaulder customized with SHADOW coating.
Chest description (MCC): EOD chassis customized with SHADOW coating.

Halo 5: Guardians - Upgraded GEN1[edit]

The Mark V EOD helmet was one of a number of Reach-themed helmets and armors added into Halo 5: Guardians via the Classic Helmet REQ Pack.

Helmet Description Unlock requirements
(Halo 5: Guardians)
H5G REQ Helmets EOD Rare The unique combination of safety and life support features in the EOD helmet make it an optimal choice for Spartan assault divers and pioneers who undertake demolition roles. That it also mitigates the risk for decapitation is a bonus.

Halo Infinite - Upgraded GEN1[edit]

Mark V EOD was made available for multiplayer Spartan armor customization in Halo Infinite during Season 05: Reckoning. The Mark IV EOD helmet was made available with Content Update 29.

Helmet Manufacturer Lore Rarity Unlock Requirements
HINF EOD Helmet Icon.png
EOD
Materials Group Still used in explosive situations where a Spartan needs to keep a good head on their shoulders. Epic Season 05: Reckoning Battle Pass level 15 (Free)
Optical filters and hardened sensors used for direct observation of exotic radiation bursts, such as those produced by NOVA detonations.
FC/ALFA
Materials Group Optical filters and hardened sensors used for direct observation of exotic radiation bursts, such as those produced by NOVA detonations. Epic Season 05: Reckoning Battle Pass level 28 (Premium)
Epic, 343i, Vannak-134 is a front-line fighter who has honed his martial skills against the Covenant's best swordmasters. His early production Mk. IV/EOD provided invaluable data for Materials Group testing and evaluation.
Vannak-134
343 Industries Vannak-134 is a front-line fighter who has honed his martial skills against the Covenant's best swordmasters. His early production Mk. IV/EOD provided invaluable data for Materials Group testing and evaluation. Epic Complete the Ultimate Challenge between February 20 and February 27, 2024
Icon of the "Project ALICO" helmet attachment
Project ALICO
Materials Group Experimental CBRN filtration system that formed the basis of several successful follow-ons for the MJOLNIR program. Epic Complete the Ultimate Challenge between February 20 and February 27, 2024

Mark V EOD attachments[edit]

The following attachments are not exclusive to Mark V EOD, and are compatible with other helmets on the Mark V(B) core.

Mark IV EOD attachments[edit]

The following attachments are not exclusive to Mark IV EOD, and are compatible with other helmets on the Mark VII core.

Non-canon and dubious canon appearances[edit]

Silver Timeline[edit]

HTV-SilverTeam logo.png
This article contains information about the Silver Timeline, and is not a part of the established Halo canon.

A Mark IV EOD helmet is worn by Vannak-134 during battles against the Covenant.[13]

Trivia[edit]

  • During the Halo: Reach Multiplayer Beta, the final model for the GUNGNIR shoulder pauldron was designated as the EOD shoulder pauldrons, and cost 1,000 cR.[14]
  • The Caduceus emblem that appears on the Mark V EOD helmet also appears on med packs, Army medics, and the Tactical/Trauma Kit armor permutation. This suggests that the EOD may also have an intended secondary role to provide medical assistance to wounded allies in dangerous situations. It's possible that there may be a non-MJOLNIR variant of the helmet for use by UNSC medical personnel, likely in toxic environments where the distinctive CBRN would aid in operations.

Gallery[edit]

Halo 3[edit]

Halo: Reach[edit]

Halo 4 and Halo Online[edit]

Halo: 5 Guardians[edit]

Halo Infinite[edit]

Other[edit]

List of appearances[edit]

Sources[edit]

  1. ^ a b c d Halo: The Essential Visual Guide, page 65
  2. ^ a b c d Halo 4: The Essential Visual Guide, page 151
  3. ^ a b Halo 3, Spartan Armor Customization: EOD - Helmet Description "The Mjolnir/EOD variant was created at UNSC facilities on Chi Ceti 4. The helmet was designed specifically to channel the pressure wave around the user's head, significantly reducing the likelihood of decapitation."
  4. ^ a b Halo 4, Spartan Armor Customization: EOD Description "Abilene's NCC took over production of this Mjolnir kit in 2554."
  5. ^ Halo 3, Spartan Armor Customization: EOD - Shoulder Description "Developed at the UNSC Damascus Materials Testing Facility on Chi Ceti 4, the Mjolnir/EOD variant was designed specifically to reduce the number of grabbing edges on the armor, decreasing the likelihood of dismemberment."
  6. ^ Halo 3, Spartan Armor Customization: EOD - Chest Description "This variant was designed specifically to protect Spartans during operations involving the handling of explosive ordnance (e.g., cleaning/planting land mines, demolishing enemy structures/materiel)."
  7. ^ Halo Waypoint, MJOLNIR 2 (Retrieved on Mar 14, 2011) [local archive] [external archive]
  8. ^ Halo: Reach, The Armory: EOD - Helmet Description "Developed at the Damascus Materials Testing Facility on X Ceti 4; entered service in 2531. Designed specifically to reduce likelihood of decapitation."
  9. ^ a b Halo 5: Guardians, Spartan Appearance Customization: EOD GEN1 - Helmet Description "The unique combination of safety and life support features in the EOD helmet make it an optimal choice for Spartan assault divers and pioneers who undertake demolition roles. That it also mitigates the risk for decapitation is a bonus."
  10. ^ Halo Infinite, Armor Hall: EOD - Helmet Description "Still used in explosive situations where a Spartan needs to keep a good head on their shoulders."
  11. ^ Halo 4 Limited Edition: Infinity briefing packet
  12. ^ Halo Waypoint, Halo 4 Interactive Guide - Armor Types: EOD (Retrieved on Apr 23, 2013) [local archive] [external archive]
  13. ^ YouTube - Paramount+, Halo The Series (2022) Official Trailer (Retrieved on Jan 30, 2022)
  14. ^ YouTube - haloinfectedX, Halo: Reach beta Armor (customizations)