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Installation 04

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This article is about Alpha Halo. For other uses, see Installation 04 (disambiguation).
Whoever controls Halo controls the fate of the universe.
—Captain Jacob Keyes
Installation 04 Anniversary 1
Installation 04 / Alpha Halo
Background information

Location

Soell system, in orbit around Threshold

Monitor

343 Guilty Spark

Status

Destroyed

Range

25,000 light years

Firing Record

1.2 trillion simulated, 1 actual

Diameter

10,000 kilometres (6,200 mi)[1]

Surface width

318 kilometres (198 mi)[1]

[Source]   [Talk]



Installation 04, sometimes also referred to as Alpha Halo, was one of a series of seven gigantic ring worlds (the Halo Array from which the series gets the name) left behind by the enigmatic, technologically-advanced, and apparently extinct Forerunners.

The Covenant reverentially described Installation 04 as either the First Holy Ring, or the First Sacred Ring. It is the main setting of Halo: Combat Evolved, the first game in the Halo Trilogy. After its destruction at the end of the Battle of Installation 04, the Ark started to construct a replacement for Installation 04. 343 Guilty Spark is the Monitor assigned to this Installation.

Summary Edit

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 setting the rest of the array on stand-by) to annihilate all sentient life within 25,000 light years. Once one ring is set off all remaining rings would activate. All seven rings could be fired at once if need be.

Installation 04, until its destruction by John-117, was controlled by the Forerunner Artificial intelligence construct, 343 Guilty Spark.

The climate of Installation 04 is very similar to Earth's climate. There have been hurricanes over the oceans on the ring.[2] The weather is, however, extremely unpredictable - rain and snowfall can occur at random, leading Cortana to wonder if the weather is intentionally irregular, or if it follows a pattern such as snow being deliberately made at the control room to slow the Flood.[3][4]

History Edit

AlphaHaloview1
Halo with Threshold in the background.
EsemonoAdded by Esemono
Alpha Halo Burning
Part of the wreckage of Installation 04.
Younkin92Added by Younkin92

Ancient History Edit

Installation 04 was built by the Forerunners over 100,000 years before the Battle of Installation 04 (It was 101,217 years old in 2552 A.D., but this is measured in "local time").

The Installation was activated sometime thereafter and most of the Forerunners and Flood were killed. Installation 04 lay dormant for a hundred thousand years, with 343 Guilty Spark and his Sentinels ready to keep the Flood confined in the Flood Containment Facilities and keeping the infrastructure of the Halo in perfect working order.

An unknown amount of time after the Installation was activated, a spacecraft belonging to an unknown alien race crash landed on the ring.  All inhabitants were presumably killed in the crash, as none of them ever emerged.  A sarcophagus was then built around the spacecraft by 343 Guilty Spark.

Destruction Edit

Halo... It's finished..."
"No, I think we're just getting started.
Cortana talking to John-117 after the destruction of Installation 04.
Halo ring detonation Anniversary 1
Halo, as it explodes
SpartanmarsAdded by Spartanmars
Main article: Battle of Installation 04

The Covenant discovered the location of Installation 04 after the Covenant Fleet of Particular Justice followed the single UNSC cruiser, the UNSC Pillar of Autumn, which was fleeing from the Fall of Reach through slipspace. It is assumed that the Covenant knew about the Ring prior to the events of The Battle of Installation 04, as the Prophets all have a holographic representation of them on their headdresses, and Cortana stated previously that she used the coordinates received by the beam in Halo: The Fall of Reach. Due to the Covenant's faster Slipspace capabilities they arrived before the Pillar of Autumn.

The Pillar of Autumn arrived around September 19, 2552 and was promptly shot down by the warding Covenant space forces. At around the same time, the Covenant ground forces on Installation 04 accidentally unleashed the Flood from captivity. The ensuing four-day battle that took place all over the ring was called the Battle of Installation 04. Humans, 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 AI, 343 Guilty Spark, also known simply as The Monitor, tried to convince John-117 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 John-117 of Halo's true purpose and stashed the Index in her memory banks. The Monitor betrayed the two and tried to kill John-117 and retrieve Cortana, but the two escaped and started plotting against him. In the end John-117 detonated the Pillar of Autumn's fusion reactors which destroyed the Halo ring.

Only a handful of humans and Covenant survived the battle. 343 Guilty Spark floated through space until he was rescued by a group of Covenant near Threshold. Learning the true purpose of Halo, they began a Heretic rebellion against the Covenant. Installation 04's destruction is seen as the first step in the chain of events that led to the Covenant Civil War. The Heretics were quelled by the Arbiter 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 John-117 with the help of Sergeant Johnson.

Installation 04 was the first Halo installation encountered by Humans and first to be destroyed. Its destruction triggered the activation of a portal leading to a Micro Dyson Sphere on Onyx and also caused the Ark to start building a replacement ring.

There is now a large field of debris where Installation 04 was, though a few large chunks of the ring remain. Some smaller pieces of the Installation 04 have landed on Basis and others have burnt up in Threshold's atmosphere upon entry. The remaining large chunks are molten and unlikely to be capable of supporting any kind of life and are thus likely free of Flood.

According to the Halo: Evolutions short story The Mona Lisa, all of the pieces of the Installation are being gradually pulled into Threshold's atmosphere where they will presumably burn up and be destroyed.

ReplacementEdit

Main article: Installation 04B

Shortly after the destruction of the ring, the Ark began to automatically construct a new Halo to replace Installation 04. This exact copy of the first Halo ring was nearing completion only a few months after the first ring was destroyed, but was also subsequently destroyed when it was fired before it was ready by John-117 and Cortana. 343 Guilty Spark attempted to prevent this, but was finally destroyed by John-117 with the help of Sergeant Johnson in this new ring's Control Room.

SpeculationEdit

HaloPlanets
A size comparison between Alpha Halo, The Ark, Threshold, and planets in the Solar System
WikiReaperAdded by WikiReaper

It is unclear why the gas giant Threshold was specifically chosen to be the planet which Installation 04 orbited, but it is supposed that the large number of Forerunner machines already operational in Threshold (explicitly the network of Gas Mines), may have played a role in their decision. It could also be because it was the only planet in the system that had enough gravity to hold it in place.

Another common theory is that it was placed there mathematically in order to cover the whole of the galaxy with the spread of the Halo Array's main weapon. It is probable that the Forerunners had chosen Threshold as the staging point for constructing Installation 04 in a fail-safe to attempt to isolate any major Flood outbreak. It may have been as simple as its proximity to the Gas Mine stations on Threshold, which the Forerunners may have used for power.

Survivors of Installation 04Edit

After the destruction of Installation 04, Spartan-117 and Cortana, who were responsible for the ring's destruction, fled the installation in a Longsword. Shortly afterward, they reunited with four other survivors on a Pelican. The survivors of the Battle of Installation 04 were as follows:

On a LongswordEdit

On a PelicanEdit

OtherEdit

UnknownEdit

The following two Marines have been seen after having a part in the Battle of Installation 04, but it is unknown how they made it off Halo before the explosion. Note that there may have been other survivors.

TriviaEdit

  • Johnson describes it as "God's own anti-son-of-a-bitch-machine" and a "giant hula-hoop".
  • The numbering of the rings concerning the IWHBYD ring sequence is the opposite to the rings' actual installation numbers and should not be confused.
  • It is possible to see falling debris from Installation 04 on Burial Mounds.
  • It is possible that other races came to Installation 04 before humanity and the Covenant, as based on some of 343 Guilty Spark's logs recording on the Covenant's arrival.[5]
  • Installation 04 has some similarities with the Death Star from Star Wars. Both are large weapons of mass destruction situated in space, featured prominently in the first installment of each trilogy, and are subsequently destroyed by the protagonist at the end of the first installment. While absent for the second installments, partially reconstructed versions of both weapons appear in the third installments of both trilogies. To continue this link even further, in both cases, the antagonists who supervise the construction of this weapon (Darth Vader in Star Wars and 343 Guilty Spark in Halo) are defeated shortly before their weapon is destroyed. Also, in both cases, these weapons of mass destruction are seen to be much respected and beloved by the antagonists who own them.
  • It is possible that all flora and fauna on the Halo was cultivated by Forerunner Lifeshapers prior to the firing of the array. When Installation 04 is rebuilt aboard the Ark it is stated that it is almost complete, yet all that can be seen is barren molten metalwork.
  • Like all Halo Arrays, Installation 04 get its power from the Power Rooms which are connected to other Power Rooms placed around the whole ring. A power room on Installation 04 featured a large vertical Core and a dome-shaped roof, with large glass windows that run down the side. The energy which powers the Installation can be seen pulsating up through the core and then back down through the windows.

GalleryEdit

AppearancesEdit

SourcesEdit

  1. 1.0 1.1 Halo: The Essential Visual Guide – Page 6
  2. Halo: The Flood, page 14
  3. Halo: The Flood, page 107
  4. Assault on the Control Room
  5. Conversations from the Universe, 343 Guilty Sparks Log



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