Installation 04: Difference between revisions

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(Looking forward to the Halo's glorious, non-HCEA-like outer surface in Nightfall.)
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<center>'''''Installation 04''' redirects here. For other uses, see [[Installation 04 (disambiguation)]]''</center>
<center>'''''Installation 04''' redirects here. For other uses, see [[Installation 04 (disambiguation)]]''</center>
{{Megastructure infobox
{{Megastructure infobox
|image=[[File:HCE-AlphaHalo-RingDetail.jpg|350px]]
|image=[[File:H2A-AlphaHaloDiscovery.jpg|350px]]
|description=
|description=
|location=[[Soell|Soell System]], in orbit around [[Threshold]]<ref name="VIS">'''[[Halo: The Essential Visual Guide]]''', ''page 6''</ref>
|location=[[Soell|Soell system]], in orbit around [[Threshold]]<ref name="VIS">'''[[Halo: The Essential Visual Guide]]''', ''page 6''</ref>
|anchor=Threshold/[[Basis]]<ref name="VIS"/>
|anchor=Threshold/[[Basis]]<ref name="VIS"/>
|type=[[Halo Array|Halo Installation]]
|type=[[Halo Array|Halo Installation]]
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==Overview==
==Overview==
[[File:HCE-AlphaHalo-RingDetail.jpg|thumb|250px|left|Installation 04.]]
The purpose of Installation 04, along with its brethren, was to preclude and thwart the parasite forms known as the [[Flood]] from consuming all sentient life in the galaxy by destroying all sentient life to prevent eventual consumption. In the event of a Flood outbreak, one of the seven installations could be triggered (in turn triggering the remaining Halos) to annihilate all sentient life within a radius of 25,000 light years. In the event of an unexpected shutdown, all remaining rings would go into a "standby state", in which they could be fired at once from the Ark if need be.
The purpose of Installation 04, along with its brethren, was to preclude and thwart the parasite forms known as the [[Flood]] from consuming all sentient life in the galaxy by destroying all sentient life to prevent eventual consumption. In the event of a Flood outbreak, one of the seven installations could be triggered (in turn triggering the remaining Halos) to annihilate all sentient life within a radius of 25,000 light years. In the event of an unexpected shutdown, all remaining rings would go into a "standby state", in which they could be fired at once from the Ark if need be.


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==History==
==History==
===Ancient history===
===Ancient history===
[[File:HaloConstructionCEA.jpg|thumb|right|300px|Sentinels finalizing Installation 04's construction process.]]
[[File:HaloConstructionCEA.jpg|thumb|250px|Sentinels finalizing Installation 04's construction process.]]
 
Installation 04 was built by [[Installation 00]]'s [[Foundry]] before [[100,000 BCE]].<ref group="note">In ''Halo: The Flood'', 343 Guilty Spark states that the ring was 101,217 years old in 2552. However, this was measured in the Soell system's local time.</ref><ref>'''Halo: The Flood''', ''page 238''</ref> When the [[IsoDidact]] activated the Array at the [[Forerunner-Flood war]]'s conclusion, ending the centuries-long conflict, Installation 04 was the first to fire,<ref>'''Halo: Silentium''', ''String 38''</ref> followed shortly after by the other six Halo rings. Installation 04 lay dormant for a hundred thousand years, with [[343 Guilty Spark]] and his [[Sentinel]]s ready to keep the [[Flood]] confined in the [[Flood containment facility|Flood containment facilities]] and keeping the infrastructure of the Halo in perfect working order.
Installation 04 was built by [[Installation 00]]'s [[Foundry]] before [[100,000 BCE]].<ref group="note">In ''Halo: The Flood'', 343 Guilty Spark states that the ring was 101,217 years old in 2552. However, this was measured in the Soell system's local time.</ref><ref>'''Halo: The Flood''', ''page 238''</ref> When the [[IsoDidact]] activated the Array at the [[Forerunner-Flood war]]'s conclusion, ending the centuries-long conflict, Installation 04 was the first to fire,<ref>'''Halo: Silentium''', ''String 38''</ref> followed shortly after by the other six Halo rings. Installation 04 lay dormant for a hundred thousand years, with [[343 Guilty Spark]] and his [[Sentinel]]s ready to keep the [[Flood]] confined in the [[Flood containment facility|Flood containment facilities]] and keeping the infrastructure of the Halo in perfect working order.


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===Discovery and destruction===
===Discovery and destruction===
{{Main|Battle of Installation 04}}
{{quote|Halo... It's finished."<br/>"No, I think we're just getting started.|Cortana and John-117 after the destruction of Installation 04.}}
{{quote|Halo... It's finished."<br/>"No, I think we're just getting started.|Cortana and John-117 after the destruction of Installation 04.}}


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The ''Pillar of Autumn'' arrived around September 19, 2552 and was promptly shot down by the warding Covenant ships. Shortly thereafter, the Covenant ground forces on Installation 04 accidentally unleashed the Flood from captivity. [[Human]]s, [[Flood]], and the Covenant fought massive battles against one another as the Forerunner constructs tried to control the outbreak by activating Halo. The ring's monitor, [[343 Guilty Spark]], tried to convince the [[John-117|Master Chief]] to activate Halo. Not knowing the truth of what it did, he attempted to light the ring but was stopped by his AI friend and companion Cortana who was in [[the Core]]. She informed the Master Chief of Halo's true purpose and stashed the [[Activation Index]] in her memory banks. The Monitor betrayed the two and tried to kill the Master Chief and retrieve Cortana, but the two escaped and started plotting against him. In the end, John-117 detonated the ''Pillar of Autumn''<nowiki>'</nowiki>s [[Fusion drive|fusion reactors]] in order to destroy the ring. The explosion critically damaged the superstructure below it, while a shockwave shattered the ring and sent a portion of it flying to the other side where it made impact and splintered the ring into pieces.<ref>'''Halo: Combat Evolved''', campaign level ''[[The Maw]]''</ref>
The ''Pillar of Autumn'' arrived around September 19, 2552 and was promptly shot down by the warding Covenant ships. Shortly thereafter, the Covenant ground forces on Installation 04 accidentally unleashed the Flood from captivity. [[Human]]s, [[Flood]], and the Covenant fought massive battles against one another as the Forerunner constructs tried to control the outbreak by activating Halo. The ring's monitor, [[343 Guilty Spark]], tried to convince the [[John-117|Master Chief]] to activate Halo. Not knowing the truth of what it did, he attempted to light the ring but was stopped by his AI friend and companion Cortana who was in [[the Core]]. She informed the Master Chief of Halo's true purpose and stashed the [[Activation Index]] in her memory banks. The Monitor betrayed the two and tried to kill the Master Chief and retrieve Cortana, but the two escaped and started plotting against him. In the end, John-117 detonated the ''Pillar of Autumn''<nowiki>'</nowiki>s [[Fusion drive|fusion reactors]] in order to destroy the ring. The explosion critically damaged the superstructure below it, while a shockwave shattered the ring and sent a portion of it flying to the other side where it made impact and splintered the ring into pieces.<ref>'''Halo: Combat Evolved''', campaign level ''[[The Maw]]''</ref>


[[File:HaloDestructionCEA.png|thumb|left|250px|The destruction of Halo.]]
[[File:H2A-AlphaHaloDestruction.jpg|thumb|left|250px|The destruction of Halo.]]


Only a handful of humans and Covenant survived the battle. 343 Guilty Spark floated through space to a [[Threshold gas mine|gas mining platform]] over Threshold, where he stumbled upon a Covenant expeditionary force. Inspired by his words, they began a [[Sesa 'Refumee's heretic faction|heretical]] rebellion against the greater Covenant. Installation 04's destruction is seen as the first step in the chain of events that led to the [[Great Schism]]. The Heretics were quelled by [[Arbiter]] [[Thel 'Vadam]] who silenced their leader, but the seeds of a rebellion were planted. The Monitor was then captured by the loyal Covenant and later defected to the humans' side until he was destroyed on the replacement Alpha Halo by SPARTAN-117 with the help of Sergeant Johnson.
Only a handful of humans and Covenant survived the battle. 343 Guilty Spark floated through space to a [[Threshold gas mine|gas mining platform]] over Threshold, where he stumbled upon a Covenant expeditionary force. Inspired by his words, they began a [[Sesa 'Refumee's heretic faction|heretical]] rebellion against the greater Covenant. Installation 04's destruction is seen as the first step in the chain of events that led to the [[Great Schism]]. The Heretics were quelled by [[Arbiter]] [[Thel 'Vadam]] who silenced their leader, but the seeds of a rebellion were planted. The Monitor was then captured by the loyal Covenant and later defected to the humans' side until he was destroyed on the replacement Alpha Halo by SPARTAN-117 with the help of Sergeant Johnson.
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[[File:Inst04detail.png|thumb|250px|Detail of the outer surface of the ring in ''Anniversary''.]]
[[File:Inst04detail.png|thumb|250px|Detail of the outer surface of the ring in ''Anniversary''.]]
===''Anniversary'' redesign===
===''Anniversary'' redesign===
While the design of the Halos has stayed largely consistent across all post-''[[Halo: Combat Evolved]]'' media, Installation 04 underwent a significant visual overhaul in ''[[Halo: Combat Evolved Anniversary]]''. The entire superstructure of the ring has been redesigned. To wit, the surface features are completely different and much more pronounced, including additions such as rows of prominent prongs lining the ring's edges and large-scale patterns of bluish light, in contrast to the more subdued original design in which the features on the outer surface appear largely flat due to the immense scale of the ring. This redesign has not been carried over to post-''Anniversary'' media: the prongs are absent from [[Installation 03]] in ''[[Halo 4]]''; [[:File:FUD-HaloRing.jpg|a visual allusion]] to the Halos in ''[[Halo 4: Forward Unto Dawn]]'' follows the original design; and [[Installation 05]] retains its original appearance in ''[[Halo 2 Anniversary]]'' aside from the addition of prominent blue lighting in the circular patterns on the ring's outer surface.
While the design of the Halos has stayed largely consistent across all post-''[[Halo: Combat Evolved]]'' media, Installation 04 underwent a significant visual overhaul in ''[[Halo: Combat Evolved Anniversary]]''. The entire superstructure of the ring has been redesigned. To wit, the surface features are completely different and much more pronounced, including additions such as rows of prominent prongs lining the ring's edges and large-scale patterns of bluish light, in contrast to the more subdued original design in which the features on the outer surface appear largely flat due to the immense scale of the ring. This redesign has not been carried over to post-''Anniversary'' media: the prongs are absent from [[Installation 03]] in ''[[Halo 4]]''; [[:File:FUD-HaloRing.jpg|a visual allusion]] to the Halos in ''[[Halo 4: Forward Unto Dawn]]'' follows the original design; in ''[[Halo 2 Anniversary]]'', Installation 04 has received some visual changes (including prominent blue lighting in the circular patterns on the ring's outer surface) but is otherwise closer to the original version than the ''Halo: Combat Evolved Anniversary'' redesign.


===Miscellaneous===
===Miscellaneous===
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File:HCEA-Terminal-AtmoEjection.jpg|343 Guilty Spark exposing a section of Installation 04 to hard vacuum.
File:HCEA-Terminal-AtmoEjection.jpg|343 Guilty Spark exposing a section of Installation 04 to hard vacuum.
File:Installation04destroyed.png|The destruction of Installation 04.
File:Installation04destroyed.png|The destruction of Installation 04.
File:HaloDestructionCEA.png|Installation 04 being destroyed in ''Halo: Combat Evolved Anniversary''.
File:TML - broken_Halo.png|A segment of the broken ring.
File:TML - broken_Halo.png|A segment of the broken ring.
File:Nightfall - Remains of Greatness.jpg|Barren terrain on a surviving fragment of Installation 04.
File:Nightfall - Remains of Greatness.jpg|Barren terrain on a surviving fragment of Installation 04.