Semi-Powered Infiltration armor: Difference between revisions

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The '''Semi-Powered Infiltration armor''' ('''SPI armor''') is a [[UNSC]] combat [[armor]] system designed with an emphasis on stealth through the use of [[photoreactive panel|special photoreactive panels]].<ref name="goo14">'''[[Halo: Ghosts of Onyx]]''', ''page 14''</ref> The armor was developed by the [[Watershed Division]], with [[Ruk Ariaustin]] as design lead.{{Ref/Reuse|HM}}
The '''Semi-Powered Infiltration armor''' ('''SPI armor''') is a [[United Nations Space Command]] combat [[armor]] system designed with an emphasis on stealth through the use of [[Photoreactive panel|special photoreactive panels]].<ref name="goo14">'''[[Halo: Ghosts of Onyx]]''', ''page 14''</ref> The armor was developed by the [[Watershed Division]], with [[Ruk Ariaustin]] as design lead.{{Ref/Reuse|HM}}


== Overview ==
== Overview ==
Described as "part legionnaire mail, part tactical body armor, and part chameleon", the SPI armor features [[photoreactive panel]]s that mimic the surrounding textures, effectively being the UNSC equivalent to the [[Covenant]]'s [[active camouflage]] systems.<ref>'''Halo: Ghosts of Onyx''', ''page 16''</ref> The SPI armor features a full body armor with an enclosed helmet and [[heads-up display]]. The undersuit is equipped with a cushioning layer of liquid nanocrystal that provides more ballistic protection than three centimeters of [[wikipedia:Kevlar|Kevlar]] diamond weave, without the bulk.<ref name="goo171">'''Halo: Ghosts of Onyx''', ''page 171''</ref> The hardened armor plates, though advanced compared to standard UNSC infantry armor, can take only a few glancing blows before failing.{{Ref/Reuse|goo14}}
Described as "part legionnaire mail, part tactical body armor, and part chameleon", the SPI armor features [[photoreactive panel]]s that mimic the surrounding textures, effectively being the UNSC equivalent to the [[Covenant]]'s [[active camouflage]] systems.<ref>'''Halo: Ghosts of Onyx''', ''page 16''</ref> The SPI armor features a full body armor with an enclosed helmet and [[heads-up display]]. The undersuit is equipped with a cushioning layer of liquid nanocrystal that provides more ballistic protection than three centimeters of [[wikipedia:Kevlar|Kevlar]] diamond weave, without the bulk.<ref name="goo171">'''Halo: Ghosts of Onyx''', ''page 171''</ref> The hardened armor plates, though advanced compared to standard UNSC infantry armor, can take only a few glancing blows before failing.{{Ref/Reuse|goo14}}


Though more advanced than the [[Orbital Drop Shock Troopers]]' [[ODST armor|body armor]], the SPI armor is less powerful than the [[Mjolnir armor]] originally issued to the [[Spartan-II]]s.<ref>'''[[Halo: Glasslands]]''', ''page 207''</ref> Its main benefit is that it is drastically cheaper to produce than Mjolnir.<ref name="goo46">'''Halo: Ghosts of Onyx''', ''page 46''</ref> Although the SPI suit provides modest enhancements to the wearer's strength and mobility,{{Ref/Reuse|HM}} this amplification is not as drastic as that afforded by the Mjolnir.<ref>'''Halo: Last Light''', ''page 33'' (Google Play edition)</ref> Consequently, the SPI armor can be worn by any individual and does not require special neurological, skeletal or muscular [[Biological augmentation|augmentation]]; for example, the unaugmented instructors for the Spartan-IIIs often wore SPI armor.<ref>'''Halo: Ghosts of Onyx''', ''pages 89, 94''</ref>{{Ref/Reuse|g164}} The SPI armor is not as bulky or as heavy as the Mjolnir armor,<ref>'''Halo: Glasslands''', ''page 40''</ref> although the plating material is also less durable: [[Kelly-087]] dented a Spartan-III's chest plate with her fist when first encountering the Spartan-IIIs.<ref name="goo168">'''Halo: Ghosts of Onyx''', ''pages 168-169''</ref>
Though more advanced than the [[Orbital Drop Shock Troopers]]' [[ODST armor|body armor]], the SPI armor is less powerful than the [[MJOLNIR Powered Assault Armor]] originally issued to the [[SPARTAN-II program|SPARTAN-II]]s.<ref>'''[[Halo: Glasslands]]''', ''page 207''</ref> Its main benefit is that it is drastically cheaper to produce than Mjolnir.<ref name="goo46">'''Halo: Ghosts of Onyx''', ''page 46''</ref> The cost reduction meant that dozens to hundreds of suits of SPI could be produced for the cost of a single suit of [[MJOLNIR Powered Assault Armor/Mark IV|Mark IV]].{{Ref/Site|Id=CFAA|URL=https://www.halowaypoint.com/en-us/news/anniversary-armory|Site=Halo Waypoint|Page=Canon Fodder - Anniversary Armory|D=24|M=02|Y=2024}} Although the SPI suit provides modest enhancements to the wearer's strength and mobility,{{Ref/Reuse|HM}} this amplification is not as drastic as that afforded by the Mjolnir.<ref>'''Halo: Last Light''', ''page 33'' (Google Play edition)</ref> Consequently, the SPI armor can be worn by any individual and does not require special neurological, skeletal or muscular [[Biological augmentation|augmentation]]; for example, the unaugmented instructors for the Spartan-IIIs often wore SPI armor.<ref>'''Halo: Ghosts of Onyx''', ''pages 89, 94''</ref>{{Ref/Reuse|g164}} The SPI armor is not as bulky or as heavy as the Mjolnir armor,<ref>'''Halo: Glasslands''', ''page 40''</ref> although the plating material is also less durable: [[Kelly-087]] dented a Spartan-III's chest plate with her fist when first encountering the Spartan-IIIs.<ref name="goo168">'''Halo: Ghosts of Onyx''', ''pages 168-169''</ref>


The SPI armor generally lacks an [[energy shielding]] system, making the user far more vulnerable to enemy fire. However, the Spartan-III [[Headhunters]] wore experimental armor that was equipped with energy shields due to their elite nature and value. However, power must be drawn from the energy shields to recharge the suit's active camouflage module.<ref name="head212">'''[[Halo: Evolutions - Essential Tales of the Halo Universe]]''', "[[Headhunters]]", ''page 212''</ref>
The SPI armor generally lacks an [[energy shielding]] system, making the user far more vulnerable to enemy fire. However, the Spartan-III [[Headhunters]] wore experimental armor that was equipped with energy shields due to their elite nature and value. However, power must be drawn from the energy shields to recharge the suit's active camouflage module.<ref name="head212">'''[[Halo: Evolutions - Essential Tales of the Halo Universe]]''', "[[Headhunters]]", ''page 212''</ref>


The baseline SPI armor can be easily destroyed from plasma based weaponry, armor piercing rounds and other threats. Overall the armor has inferior protection than [[Mjolnir armor]] . Forcing the user to rely heavily on its stealth technology and superior tactics.{{Citation needed}}
The baseline SPI armor can be easily destroyed from plasma based weaponry, armor piercing rounds and other threats. Overall the armor has inferior protection than [[Mjolnir armor]], forcing the user to rely heavily on its stealth technology and superior tactics.{{Citation needed}}


==Operational history==
==Operational history==
Early versions of the Semi-Powered Infiltration armor were developed by [[ONI Section Three]] around the beginning of the [[Human-Covenant War]] for use by ONI agents. A facility dedicated to testing the armor was constructed underground at the future site of the [[Avery J. Johnson Academy of Military Science]].{{Ref/Game|HINF|Site Unseen}}
Although early versions of the SPI system were tested by [[Orbital Drop Shock Troopers]],<ref name="g164">'''Halo: Ghosts of Onyx''', ''page 164''</ref> the armor was most prominently issued to the [[Spartan-III]] supersoldiers.{{Ref/Reuse|goo14}} With over 2,000 units of SPI armor manufactured during the [[Human-Covenant War]],{{Ref/Reuse|HM}} the SPI armor had been mostly phased out of use by Spartan-IIIs by [[2558]] in favor of Mjolnir. However, SPI continues to fill a usage niche in covert roles, particularly within ONI; the Spartan-IIIs in [[Veta Lopis]]' [[Ferret]] team often used SPI instead of Mjolnir due to the former's superior stealth capabilities.<ref>''Halo: Retribution'', Chapter 18</ref><ref>[https://twitter.com/TDenningauthor/status/912699859924393984 '''Twitter''': ''Troy Denning status update #912699859924393984'']</ref> The SPI armor has also been issued to non-Spartan personnel, such as Veta Lopis, whose suit was custom-built to fit her small frame.<ref>[https://twitter.com/TDenningauthor/status/879779858393440256 '''Twitter''': ''Troy Denning status update #879779858393440256'']</ref> [[SPARTAN-G059]], deployed as an ONI assassin, used SPI as late as 2558.<ref>'''[[Halo: Tales from Slipspace]]''', ''[[Knight Takes Bishop]]''</ref> As well, the photoreactive plating technology has seen limited but successful use in several special operations ODST units.<ref>[https://www.halowaypoint.com/en-us/news/canon-fodder-fifty-caliber '''Halo Waypoint''' - ''Cannon Fodder: Fifty Caliber'']</ref>
Although early versions of the SPI system were tested by [[Orbital Drop Shock Troopers]],<ref name="g164">'''Halo: Ghosts of Onyx''', ''page 164''</ref> the armor was most prominently issued to the [[Spartan-III]] supersoldiers.{{Ref/Reuse|goo14}} With over 2,000 units of SPI armor manufactured during the [[Human-Covenant War]],{{Ref/Reuse|HM}} the SPI armor had been mostly phased out of use by Spartan-IIIs by [[2558]] in favor of Mjolnir. However, SPI continues to fill a usage niche in covert roles, particularly within ONI; the Spartan-IIIs in [[Veta Lopis]]' [[Ferret]] team often used SPI instead of Mjolnir due to the former's superior stealth capabilities.<ref>''Halo: Retribution'', Chapter 18</ref><ref>[https://twitter.com/TDenningauthor/status/912699859924393984 '''Twitter''': ''Troy Denning status update #912699859924393984'']</ref> The SPI armor has also been issued to non-Spartan personnel, such as Veta Lopis, whose suit was custom-built to fit her small frame.<ref>[https://twitter.com/TDenningauthor/status/879779858393440256 '''Twitter''': ''Troy Denning status update #879779858393440256'']</ref> [[SPARTAN-G059]], deployed as an ONI assassin, used SPI as late as 2558.<ref>'''[[Halo: Tales from Slipspace]]''', ''[[Knight Takes Bishop]]''</ref> As well, the photoreactive plating technology has seen limited but successful use in several special operations ODST units.<ref>[https://www.halowaypoint.com/en-us/news/canon-fodder-fifty-caliber '''Halo Waypoint''' - ''Cannon Fodder: Fifty Caliber'']</ref>


== Versions ==
== Versions ==
=== Mark I ===
=== Mark I ===
The Mark I was the first, experimental iteration of the SPI system used by the Spartan-IIIs of [[SPARTAN-III Alpha Company|Alpha Company]]. The featured photoreactive panels gave the Spartans of Alpha Company a rough equivalent to active camouflage. The camouflage patterns, however, shifted irregularly and imperfectly, which made the photoreactive panels inferior compared to the [[Covenant]]'s active camouflage technologies.<ref>'''Halo: Ghosts of Onyx''', ''page 85''</ref>
The Mark I was an experimental iteration of the SPI system used by the Spartan-IIIs of [[SPARTAN-III Alpha Company|Alpha Company]]. The featured photoreactive panels gave the Spartans of Alpha Company a rough equivalent to active camouflage. The camouflage patterns, however, shifted irregularly and imperfectly, which made the photoreactive panels inferior compared to the [[Covenant]]'s active camouflage technologies.<ref>'''Halo: Ghosts of Onyx''', ''page 85''</ref>


=== Mark II ===
=== Mark II ===
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===Air Assault-like===
===Air Assault-like===
This variant has a [[STALKER-class Mjolnir|Stalker]]-like suit, with a helmet that is similar in design to [[AIR ASSAULT-class Mjolnir|Air Assault]]. It was utilized by [[Roland-B210]]. It was equipped with Motion trackers, energy shielding, VISR technology and a prototype active camouflage.
This variant has a [[STALKER-class Mjolnir|Stalker]]-like suit, with a helmet that is similar in design to [[AIR ASSAULT-class Mjolnir|Air Assault]]. It was utilized by [[Roland-B210]] and equipped with motion trackers, energy shielding, VISR, and a prototype active camouflage.
<gallery>
<gallery>
File:Roland SPI 2.png|Air Assault-like.
File:Roland SPI 2.png|Air Assault-like.
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<gallery>
<gallery>
File:Marksniper.png|Grenadier-like.
File:Marksniper.png|Grenadier-like.
File:Enc22 MarkG313.jpg|The suit.
</gallery>
</gallery>


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File:HTMCC Mirage Armour.jpg|MIRAGE-class Mjolnir
File:HTMCC Mirage Armour.jpg|MIRAGE-class Mjolnir
</gallery>
</gallery>
==Non-canon and dubious canon appearances==
[[File:HTVS2 - KaiWithSPIRegiment.png|thumb|right|250px|SPI-clad SPARTAN-IIIs in front of [[Kai-125/Silver|Kai-125]].]]
===Silver Timeline===
{{Notice/Silver|category=no}}
{{Quote|Nice suit.|[[John-117/Silver|John-117]] commenting on [[Talia Perez]]'s SPI armor.{{Ref/Film|Id=Thermopylae|TV|Episode=[[Thermopylae (TV Series)|Thermopylae]]}}}}
{{Expand-section}}
{{Clear}}


==Production note==
==Production note==
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== Gallery ==
== Gallery ==
<gallery>
<gallery>
File:HGOO Kurt Crop.jpg|A Spartan wearing SPI armor.
File:HGOO Kurt Crop.jpg|Kurt-051 wearing SPI armor in ''[[Halo: Ghosts of Onyx]]''.
File:Semi-Powered Infiltration.png|A conceptual illustration of the SPI armor.
File:Semi-Powered Infiltration.png|A conceptual illustration of the SPI armor.
File:H3 Guardian Mirage AR.png|A [[Spartan-II]] clad in [[MIRAGE-class Mjolnir]] in the ''[[Halo 3]]'' portion of ''[[Halo: The Master Chief Collection]]''.
File:H3 Guardian Mirage AR.png|A [[Spartan-II]] clad in [[MIRAGE-class Mjolnir]] in the ''[[Halo 3]]'' portion of ''[[Halo: The Master Chief Collection]]''.
File:Headhunters.png|Two Headhunters, [[Roland-B210]] and [[Jonah-B283]], wearing SPI armor. The former is wearing an unknown variant.
File:Headhunters.png|Two Headhunters, [[Roland-B210]] and [[Jonah-B283]], wearing SPI armor in ''[[Headhunters (story)|Headhunters]]''.  
File:Spivariant.jpg|Another view of Roland's and Jonah's SPI armor.
File:Spivariant.jpg|Another view of Roland's and Jonah's SPI armor.
File:HEvol - SPI HUD.png|An energy shielded SPI suit's [[Heads-up display|HUD]]. Note the HUD's resemblance to that of the [[MJOLNIR Powered Assault Armor/Mark V|MJOLNIR Mark V]].
File:HEvol - SPI HUD.png|An energy shielded SPI suit's [[Heads-up display|HUD]]. Note the HUD's resemblance to that of the [[MJOLNIR Powered Assault Armor/Mark V|MJOLNIR Mark V]].
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File:Headhunters - Jonah profile.png|Renders of Jonah's SPI armor.
File:Headhunters - Jonah profile.png|Renders of Jonah's SPI armor.
File:Evo Headhunters Post.jpg|Officially endorsed fan art of Jonah and Roland wearing modified SPI armor.
File:Evo Headhunters Post.jpg|Officially endorsed fan art of Jonah and Roland wearing modified SPI armor.
File:HLL cover-Olivia full.png|[[Olivia-G291]] in SPI armor with her helmet removed.
File:HLL cover-Olivia full.png|[[Olivia-G291]] in SPI armor with her helmet removed in ''[[Halo: Last Light]]''.
File:HM-SIIIs.png|MIRAGE-class helmet with an eagle emblem on the visor.
File:HM-SIIIs.png|MIRAGE-class helmet with an eagle emblem on the visor in ''[[Halo Mythos]]''.
File:HM EVA-like SPI.png|EVA-like helmet stylized SPI.  
File:HM EVA-like SPI.png|EVA-like helmet stylized SPI.  
File:TfS - SPARTAN-G059.png|[[SPARTAN-G059]] clad in SPI armor.
File:TfS - SPARTAN-G059.png|[[SPARTAN-G059]] clad in SPI armor in ''[[Knight Takes Bishop]]''.
File:Veta SPI.png|[[Veta Lopis]] equipped with SPI armor.
File:Veta SPI.png|[[Veta Lopis]] equipped with SPI armor in ''[[Halo: Retribution]]''.
File:HINF Mirage IIC Core Icon.png|The Mirage IIC core in ''[[Halo Infinite]]''.
File:Enc22 Kurt with helmet.jpg|Image of Kurt Ambrose clad in SPI from the ''[[Halo Encyclopedia (2022 edition)|Halo Encyclopedia]]''.
File:Enc22 SPI.png|An image of SPI armor in the ''Halo Encyclopedia''.
File:HTVS2-SpartansinSPI.jpg|SPI-clad Spartan-IIIs in ''[[Halo: The Television Series Season Two]]''.
</gallery>
</gallery>


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*''[[Halo: Official Spartan Field Manual]]''
*''[[Halo: Official Spartan Field Manual]]''
*''[[Halo: Divine Wind]]'' {{Mo}}
*''[[Halo: Divine Wind]]'' {{Mo}}
*''[[Halo Infinite]]''
**''[[Season 03: Echoes Within]]''
*''[[Halo: The Television Series Season Two]]''
**''[[Aleria (TV Series)|Aleria]]''
**''[[Onyx (TV Series)|Onyx]]''
**''[[Thermopylae (TV Series)|Thermopylae]]''
**''[[Halo (TV Series)|Halo]]''


==Notes==
==Notes==
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