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Semi-Powered Infiltration armor: Difference between revisions
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[[File:Semi-Powered Infiltration.png|200px|thumb|right|A concept illustration of SPI armor from the ''[[Art of Halo 3]]''.<ref>'''[[The Art of Halo 3]]''', ''page 140''</ref>]] | [[File:Semi-Powered Infiltration.png|200px|thumb|right|A concept illustration of SPI armor from the ''[[Art of Halo 3]]''.<ref>'''[[The Art of Halo 3]]''', ''page 140''</ref>]] | ||
The '''Semi-Powered Infiltration armor''' ('''SPI armor''') is an [[armor]] system | The '''Semi-Powered Infiltration armor''' ('''SPI armor''') is an experimental infiltration [[armor]] system designed with an emphasis on stealth through the use of [[photoreactive panel|special photo-reactive panels]]. It was used by the [[SPARTAN-III Program|SPARTAN-IIIs]] in their training exercises as well as in their active duties in the frontlines. | ||
==Overview== | == Overview == | ||
Though more advanced than the [[Orbital Drop Shock Trooper]]s' [[ODST armor|body armor]], the SPI armor is | Though more advanced than the [[Orbital Drop Shock Trooper]]s' [[ODST armor|body armor]], the SPI armor is less advanced and powerful than the [[MJOLNIR armor]] used by the [[SPARTAN-II Program|SPARTAN-IIs]]. Its main benefit is that it is drastically cheaper to produce than the MJOLNIR armor. | ||
The armor features [[photoreactive panel|special photo-reactive panels]] that mimic the surrounding textures, effectively being the UNSC equivalent to the [[Covenant]]'s [[active camouflage]] systems. It has been described as part "legionnaire mail, part tactical body armor, and part chameleon" by both [[Tom-B292]] and [[Catherine Halsey|Dr. Catherine Halsey]].<ref>'''Halo: Ghosts of Onyx''', ''page 16''</ref> | The armor features [[photoreactive panel|special photo-reactive panels]] that mimic the surrounding textures, effectively being the UNSC equivalent to the [[Covenant]]'s [[active camouflage]] systems. It has been described as part "legionnaire mail, part tactical body armor, and part chameleon" by both [[Tom-B292]] and [[Catherine Halsey|Dr. Catherine Halsey]].<ref>'''Halo: Ghosts of Onyx''', ''page 16''</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]]. It featured hardened plates and photo-reactive panels. Though advanced compared to standard UNSC infantry armor, it could only take a few glancing blows before failing.<ref>'''Halo: Ghosts of Onyx''', ''page 14''</ref> | The Mark I was the first, experimental iteration of the SPI system used by the SPARTAN-IIIs of [[SPARTAN-III Alpha Company|Alpha Company]]. It featured hardened plates and photo-reactive panels. Though advanced compared to standard UNSC infantry armor, it could only take a few glancing blows before failing.<ref>'''Halo: Ghosts of Onyx''', ''page 14''</ref> | ||
===Mark II=== | It featured full body armor with an enclosed helmet and [[heads-up display]]. It was also equipped with a cushioning layer of liquid nanocrystals that provided more ballistic protection than three centimeters of [[wikipedia:Kevlar|Kevlar]] diamond weave, without the bulk. The featured photo-reactive panels gave the Spartans of Alpha Company a rough equivalent to active camouflage. The camouflage patterns, however, shifted irregularly and imperfectly, which made the photo-reactive panels inferior compared to the Covenant's active camouflage technologies. | ||
The Mark II was an improvement | |||
=== Mark II === | |||
The Mark II was an improvement of the SPI Mark I, first used by the drill instructors of [[SPARTAN-III Beta Company|Beta Company]], and then by the Spartans of Beta Company. The armor sports new photo-reactive coating to boost their camouflaging properties. There were also numerous experimental refits to the ballistic gel layers, upgraded software suites, and other functions. Although the new photo-reactive coating could mimic a wide range of electromagnetic radiation, it was still sensitive to overload, so the wearer would still be vulnerable for several seconds after a flashbang or [[plasma]] hit while the panels reset.<ref>'''Halo: Ghosts of Onyx''', ''page 113''</ref> One minor improvement is that the armor is now hermetically sealed. | |||
The armor was proposed in [[2537]] for Alpha Company, but the request was denied because the armor was over budget. After Alpha Company's Pyrrhic victory in [[Operation: PROMETHEUS]], the Mark II was approved for mass production. After the augmentation of [[SPARTAN-III Gamma Company|Gamma Company]], small adjustments were installed into the SPI Armor Mark II. | The armor was proposed in [[2537]] for Alpha Company, but the request was denied because the armor was over budget. After Alpha Company's Pyrrhic victory in [[Operation: PROMETHEUS]], the Mark II was approved for mass production. After the augmentation of [[SPARTAN-III Gamma Company|Gamma Company]], small adjustments were installed into the SPI Armor Mark II. | ||
==Comparison to MJOLNIR== | == Comparison to MJOLNIR == | ||
=== Advantages === | === Advantages === | ||
*The armor is significantly cheaper and easier to mass produce than MJOLNIR armor. | *The armor is significantly cheaper and easier to mass produce than MJOLNIR armor. | ||
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*The armor has an efficient cooling system and is significantly difficult to detect even with thermal scanners. | *The armor has an efficient cooling system and is significantly difficult to detect even with thermal scanners. | ||
*The faceplate has an automatic 5x zoom ability.<ref>'''Halo: Ghosts of Onyx''', ''page 19''</ref> | *The faceplate has an automatic 5x zoom ability.<ref>'''Halo: Ghosts of Onyx''', ''page 19''</ref> | ||
*The armor can be worn by any individual and does not require special augmentations, unlike the MJOLNIR armor. | |||
=== Disadvantages === | === Disadvantages === | ||
*It had no [[energy shielding]] system, unlike the SPARTAN-IIs' MJOLNIR Mark V and Mark VI models, making the user far more vulnerable to enemy fire and a major contributor to the high fatality rate of the SPARTAN-IIIs. The exception to this limitation could be found in the SPARTAN-III [[Headhunters]]: their experimental armor was known to be 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. | *It had no [[energy shielding]] system, unlike the SPARTAN-IIs' MJOLNIR Mark V and Mark VI models, making the user far more vulnerable to enemy fire and a major contributor to the high fatality rate of the SPARTAN-IIIs. The exception to this limitation could be found in the SPARTAN-III [[Headhunters]]: their experimental armor was known to be 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. | ||
*It does not | *It does not enhance the user's physical performance (i.e. strength, speed, agility), unlike MJOLNIR. | ||
*Since the photo-reactive plates take time to recover after explosions such as a [[flashbang grenade]] and plasma hits, the SPARTAN-III is visible until the plates recover. With the exception of the Headhunters' suits, the SPI armor does not feature "true" active camouflage systems. | *Since the photo-reactive plates take time to recover after explosions such as a [[flashbang grenade]] and plasma hits, the SPARTAN-III is visible until the plates recover. With the exception of the Headhunters' suits, the SPI armor does not feature "true" active camouflage systems. | ||
*It is made of a less durable, less dense alloy than MJOLNIR armor: [[Kelly-087]] dented [[Holly-G003]]'s chest plate with her fist when first encountering the SPARTAN-IIIs.<ref>'''Halo: Ghosts of Onyx''', ''pages 168-169''</ref> | *It is made of a less durable, less dense alloy than MJOLNIR armor: [[Kelly-087]] dented [[Holly-G003]]'s chest plate with her fist when first encountering the SPARTAN-IIIs.<ref>'''Halo: Ghosts of Onyx''', ''pages 168-169''</ref> | ||
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==Trivia== | ==Trivia== | ||
The [[UNSC Air Force Pilot helmet]], the MJOLNIR EVA variant helmet, and the helmet worn by [[UNSC Marine Corps|Marine]] [[Hellbringers]] all bear noticeable resemblance to the SPI helmet. | |||
==Gallery== | == Gallery == | ||
<gallery> | <gallery> | ||
File:SpartanIII.jpg|A Spartan wearing SPI armor. | File:SpartanIII.jpg|A Spartan wearing SPI armor. | ||
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</gallery> | </gallery> | ||
==List of appearances== | == List of appearances == | ||
*''[[Halo: Ghosts of Onyx]]'' {{1st}} | *''[[Halo: Ghosts of Onyx]]'' {{1st}} | ||
*''[[Halo: Evolutions - Essential Tales of the Halo Universe]]'' | *''[[Halo: Evolutions - Essential Tales of the Halo Universe]]'' | ||
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*''[[Halo: Glasslands]]'' | *''[[Halo: Glasslands]]'' | ||
==Sources== | == Sources == | ||
<references/> | <references/> | ||