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{{Status|Canon}}
{{Ratings}}
{{Battle infobox
{{Era|H3}}
|prev = [[Assault on the Tsavo Highway]]
 
|conc = [[URNA Southwest Campaign]]
{{battle
|next = [[Battle of Installation 00]]
|prev=[[Battle of Cleveland]]
|image=[[File:HM SiegeAtVoi.jpg|370px]]
|conc=[[Battle of Earth]]
|conflict=*[[Human-Covenant War]]
|next=[[Battle of Installation 00]]
**[[Battle for Earth]]
|name=Battle of Voi
***[[Battle of Kenya]]
|image=[[File:The coming Storm.jpg|300px]]
|date=[[2552#November|November 17, 2552]]{{Ref/Reuse|HSA}}
|conflict=[[Human-Covenant War]]
|place=[[Voi]], [[Kenya]], [[Earth]]
|date=November 17-18, [[2552]]
|result=
|place=[[Kenya]], [[Earth]], [[Sol System]]
'''Pyrrhic UNSC-Fleet of Retribution tactical victory'''
|result= [[UNSC]]/[[Covenant Separatist]] Victory
*[[Voi]] and surrounding area [[glassed]]
|side1=*[[United Nations Space Command]]
*[[Flood outbreak]] contained
*[[Covenant Separatists]]
'''Strategic Covenant victory'''
|side2=*[[Covenant Loyalists]]
*Portal to the Ark successfully opened
|commanders1=*[[Fleet Admiral]] [[Sir Terrence Hood]]
*Covenant strategic withdrawal to the Ark
*[[Commander (UNSC)|Commander]] [[Miranda Keyes]]
|side1 = *{{Icon|UNSC HCW}} [[United Nations Space Command]]
*[[Shipmaster]] [[Rtas 'Vadum]]
**{{Icon|Navy}} [[UNSC Navy]]
|commanders2=*[[Prophet of Truth]]
**[[UNSC Air Force]]
|forces1=
**[[UNSC Marine Corps]]
*[[UNSC Marine Corps]]
----
**[[SPARTAN-117]]
*{{Icon|Covenant FB}} [[Covenant separatists]]
**[[Sergeant Major]] [[Avery J. Johnson]]
**[[M831 Troop Transport Warthog]]s (4+)
**[[M12 Warthog LRV]]s (7+)
**[[M274 Mongoose ULATV]]s (6+)
*[[Voi_Factory_Workers|Armed civilians]]
*[[UNSC Home Fleet]]
**[[UNSC Frigate]]s (3)
***{{UNSCShip|Forward Unto Dawn}}
***{{UNSCShip|Aegis Fate}}
**[[C709 Longsword-class Interceptor|C709 ''Longsword''-class Interceptor]]s
***[[7-89]]
*[[Pelicans]]
*[[Hornets]]
*[[Covenant Separatists]]
**[[Phantoms]]
**[[Sangheili]]
**[[Fleet of Retribution]]
**[[Fleet of Retribution]]
|side2 = *{{Icon|Covenant FB}} [[Covenant]]
***9 [[CCS-class Battlecruisers]]
|side3 = *[[Flood]] {{c|late in battle}}
****[[Pious Inquisitor]]
|commanders1=*[[Fleet Admiral|FADM]] [[Terrence Hood|Lord Terrence Hood]]
***1 [[Assault Carrier]]
*[[VADM]] [[K. Lanba]]
****[[Shadow of Intent]]
*[[Commander|CDR]] [[Miranda Keyes]]
|forces2=*[[Brutes]]
*[[Colonel|COL]] [[Rochambeau]]{{Ref/Reuse|HMA5}}
*[[Grunts]]
*[[Master Chief Petty Officer|MCPO]] [[John-117]]
*[[Banshees]]
*[[Arbiter]] [[Thel 'Vadam]]
*[[Jackals]]
*[[Fleetmaster]] [[Rtas 'Vadum]] {{c|late in battle}}
*[[Phantoms]]
|commanders2=[[Hierarchs|High]] [[Prophet of Truth]]
*[[Drones]]
|commanders3=[[Gravemind]]
*[[Hunters]]
|forces1=
*Several [[Type-32 Rapid Assault Vehicle]]s
*[[UNSC Home Fleet|Home Fleet]]
*Several [[Type-25 Rapid Assault Vehicle]]s
**[[Seventh Fleet]]{{Ref/Book|Id=guide|Book=Halo: The Essential Visual Guide|Page=74}}
*Several [[Type-52 Troop Carrier]]s
***[[Battle Group Victory]]{{Ref/Generic|Id=loot2NRA2|Heading=[[Halo Legendary Crate]]|Subheading=[[Halo Legendary Crate/Data Drops|Data Drop #2]]|Detail=[[:File:LC 002 Doc 4.jpg|Naval Records Archives #2]]}}
*Several [[Type-26 Ground Support Aircraft]]
****7+ {{Class|Charon|light frigate}}s{{Ref/Book|Id=mythos|Book=Halo Mythos|Page=117}}
*At least one [[Scarab]]
****Multiple [[GA-TL1 Longsword|Longswords]]{{Ref/Reuse|storm}}
*Three [[Type-52 Anti Aircraft Artillery]]
*Many air vehicles
*One [[Type-25 Wraith]]
**Several [[D77H-TCI Pelican]]s{{Ref/Reuse|storm}}
*At Least One [[Anti-Aircraft Battery]]
**Multiple [[AV-14 Hornet]]s{{Ref/Reuse|storm}}
|casual1=Unknown, presumably heavy
*Many ground vehicles
|casual2=Unknown, presumably heavy
**[[M12 Warthog|Warthogs]]
***[[M12 Chaingun Warthog|Chaingun Warthogs]]{{Ref/Reuse|tsavo}}
**[[M274 Mongoose|Mongooses]]{{Ref/Reuse|storm}}
*At least one Marine battalion
*[[Civilian|Armed civilians]]{{Ref/Reuse|storm}}
----
*[[Fleet of Retribution]] {{c|late in battle}}
**1 [[battle group]]{{Ref/NoteReuse|composition}}
***1+ {{Class|CAS|assault carrier}}{{Ref/Level|Id=ark|Game=Halo 3|Level=The Ark}}{{Ref/NoteReuse|fleetsize}}
***9+ {{Pattern|Ket|battlecruiser}}s{{Ref/Reuse|Id=ark}}{{Ref/NoteReuse|fleetsize}}
** {{Pattern|Ru'swum|Phantom}}s {{Ref/Reuse|flood}}
*Ground forces
**[[Covenant Special Operations|SpecOps]] [[Special Operations Sangheili|Sangheili]]{{Ref/Reuse|flood}}
**1+ [[Sangheili Major]]{{Ref/Reuse|flood}}
|forces2=*[[Truth's fleet]]
**At least 49 ships{{Ref/Note|Id=fleetsize|See [[Truth's fleet#Notes|Truth's fleet's Notes section]] about the size of the fleet along with the battle group of the Fleet of Retribution and the Battle Group Victory.}}
***1 [[Forerunner]] [[keyship]]{{Ref/Reuse|tsavo}}
***2+ {{Class|CAS|assault carrier}}s{{Ref/Reuse|Id=ark}}
***1+ {{Pattern|Varric|heavy cruiser}}{{Ref/Generic|Id=loot5|Heading=[[Halo Legendary Crate]]|Subheading=[[Halo Legendary Crate/Data Drops|Data Drop #5]]|Detail=[[:File:LC 05 Doc1.jpg|Apollo Leader To CDR S. Palmer]]}}{{Ref/Novel|Id=envoy|Novel=Halo: Envoy}}
***Over 44 [[Covenant cruiser|cruisers]]{{Ref/Reuse|tsavo}}{{Ref/Note|See [[Battle of Kenya#Notes|Battle of Kenya's Notes section]]}}
****6+ {{Pattern|Ket|battlecruiser}}s{{Ref/Reuse|storm}}
***1+ [[Covenant frigate|frigate]]{{Ref/Reuse|loot5}}
*Many air vehicles
**{{Pattern|Ru'swum|Phantom}}s {{Ref/Reuse|tsavo}}
**[[Irdnekt-pattern Banshee|T-26C Banshees]]{{Ref/Reuse|storm}}
*Many ground vehicles
**[[Karo'etba-pattern Ghost|T-32 Ghosts]]{{Ref/Reuse|tsavo}}
**[[Barukaza Workshop Chopper|T-25 Choppers]]{{Ref/Reuse|tsavo}}
**[[Zurdo-pattern Wraith|T-26 Wraiths]]{{Ref/Reuse|tsavo}}
**[[Ogab'd-pattern anti-aircraft Wraith|T-52 AA Wraiths]]{{Ref/Reuse|storm}}
**1+ [[Deutoros-pattern Scarab|T-47B Scarab]]{{Ref/Reuse|storm}}
**Multiple [[Skar'wa-pattern Mantis|T-27 Mantis]]{{Ref/Reuse|loot2NRA2}}
*Numerous ground forces
**[[Jiralhanae]]
**[[Unggoy]]
**[[Kig-Yar]]
**[[Yanme'e]]
**[[Mgalekgolo]]
|forces3=*1 captured {{Pattern|Ket|battlecruiser}}{{Ref/Reuse|flood}}
*[[Pod infector]]s{{Ref/Reuse|flood}}
*[[Flood combat form|Combat forms]]{{Ref/Reuse|flood}}
*[[Flood carrier form|Carrier forms]]{{Ref/Reuse|flood}}
*[[Flood pure form|Pure forms]]{{Ref/Reuse|flood}}
|casual1 = Moderate/heavy ground forces
|casual2 = Heavy ground forces
*All T-27 Mantis{{Ref/Reuse|loot2NRA2}}{{Ref/Reuse|storm}}
*1+ T-47B Scarab{{Ref/Reuse|storm}}
|casual3 = Total{{Ref/Reuse|flood}}
}}
}}
{{Quote|Marines, the [[Prophet of Truth]] doesn't know it yet, but he's about to get kicked right off his throne. You will take our [[Voi|city]] back. And drive our enemy into the grave they've been so happily digging. One final effort is all that remains.|[[Fleet Admiral]] [[Terrence Hood]]<ref name="tsavo">'''[[Halo 3]]''', campaign level, ''[[Tsavo Highway]]''</ref>}}


The '''Battle of Voi''',<ref>''[[Halo: First Strike]]'', [[Petra]] (2010)</ref> also called the '''Siege at Voi'''<ref>''[[Halo Mythos]]'', p. 117</ref>/ '''Siege of Voi'''<ref>[http://halo.xbox.com/en-us/intel/related/gallery/gauss-technology/71304700-12eb-4ab5-9fe7-a52e4ca4094f ''Halo Waypoint'': Gauss Technology] (defunct, [[Archive:Halo Waypoint/2009 to 2014/Universe/Technology#Gauss Technology|archived]])</ref> and the '''Third Battle of New Mombasa''',{{Ref/Reuse|loot2}} was an [[Battle|engagement]] between the [[United Nations Space Command|UNSC]]-[[Fleet of Retribution|Sangheili]] alliance and the [[Covenant]], and later the [[Flood]] within the town of [[Voi]], [[Kenya]] on [[2552#November|November 17, 2552]]. It was the last engagement in the [[Battle of Kenya]]<ref name="HSA">''[[Halo: Spartan Assault]]'', [[Halo: Spartan Assault co-op missions|Flood missions]] introductory cutscene</ref> at mid-late stages of Covenant's [[Battle for Earth|invasion of Earth]].<ref name="storm">'''Halo 3''', campaign level, ''[[The Storm]]''</ref><ref name="flood">'''Halo 3''', campaign level, ''[[Floodgate]]''</ref>{{Ref/Reuse|loot2}}
{{Quote|Marines, the Prophet of Truth doesn't know it yet, but he's about to get kicked right off his throne. You will take our city back. And drive our enemy into the grave they've been so happily digging. One final effort is all that remains.|Admiral Terrence Hood}}
 
The '''Battle of Voi''' was a ground and aerial engagement between the [[UNSC]], [[UNSCDF]]/[[Covenant Separatist]] alliance and the [[Covenant Loyalists]] in and around the town of [[Voi]], [[Kenya]], on [[Earth]] on November [[2552]]. It was the last battle in the [[Battle of Earth]].<ref name="tsavo">''[[Halo 3]]'', level ''[[Tsavo Highway (Level)|Tsavo Highway]]''</ref><ref name="storm">''[[Halo 3]]'', level ''[[The Storm (Level)|The Storm]]''</ref><ref name="flood">''[[Halo 3]]'', level ''[[Floodgate (Level)|Floodgate]]''</ref>


==Background==
==Introduction==
Following the [[Prophet of Regret]]'s botched attack on [[Earth]] on [[2552#October|October 20, 2552]], a large [[Jiralhanae]]-controlled [[Truth's fleet|fleet]] sent by the [[Prophet of Truth]] arrived to take control of the [[Battle of Mombasa|battle]] on [[Mombasa]] shortly after Regret performed a [[Slipstream space|slipspace]] jump over the city of [[New Mombasa]], [[Kenya]].<ref>'''[[Halo 2]]''', campaign level, ''[[Metropolis]]''</ref><ref name="coastal">'''[[Halo 3: ODST]]''', campaign level, ''[[Coastal Highway]]''</ref> This fleet immediately began to [[Glassing|glass]] the city of Mombasa, in order to excavate the long-buried [[Portal at Voi|portal]] that would lead the [[Covenant]] to the [[Installation 00|Ark]], allowing them to fire the entire [[Halo Array]] and commence their [[Covenant religion#The Great Journey|"Great Journey"]].<ref name="crows">'''[[Halo 3]]''', campaign level, ''[[Crow's Nest]]''</ref>
Since the arrival of the [[Jiralhanae]]-led Covenant occupation fleet on October 20, 2552 and the following days, the Covenant had occupied the entire region between [[Mombasa]] and [[Voi]]. Their goal was to uncover a [[Forerunner]] artifact, the [[Portal]] which led to [[Installation 00|the Ark]]. The Covenant fleet consisted of twenty-eight {{Class|CCS|Battlecruiser}}s and two [[Assault Carriers]].
[[File:Portal odst.png|thumb|left|250px|Truth's fleet excavating the portal to the Ark.]]
Over the next month, fighting would [[Battle for Earth|spread across]] the planet, as Covenant warships continued to arrive, attacking targets such as [[North America]],<ref name="loot2">''[[Halo Legendary Crate]]'', [[Halo Legendary Crate/Data Drops|Data Drop #2]]</ref> [[Australia]]<ref>'''[[Halo Encyclopedia (2009 edition)]]''', page 287 (2011)</ref> and the [[Wikipedia:Antarctica|Antarctic]], as well as the [[Yucatán Peninsula|Yucatán]] and [[Cuba]].<ref>'''[[Halo: Ghosts of Onyx]]''', ''Chapter 23''</ref> Despite the widespread combat across the globe, the Covenant under command of the Prophet of Truth and his Jiralhanae loyalists continued to focus most of their attention in eastern Africa, deploying an array of extensive defences around the excavation site around the ruins of Mombasa and [[Battle of Kenya|heavily occupying]] the surrounding region of Kenya, including the [[Tsavo highway (location)|Tsavo Highway]] and the industrial city of [[Voi]].<ref name="tsavo">'''[[Halo 3]]''', campaign level, ''[[Tsavo Highway]]''</ref>{{Ref/Reuse|storm}} The final remaining [[UNSC]] stronghold in the region by mid-November was the 20th century [[Military base|airbase]] [[Crow's Nest (location)|Crow's Nest]]. During the latter days of the Battle of Kenya, the base would house large numbers of [[UNSC Marine Corps|Marine]] wounded during the ongoing conflict.<ref name="crows"/>


During the onset of the [[Great Schism]] on November 3, 2552, [[Chieftain of the Jiralhanae]] [[Tartarus]] would attempt to activate [[Installation 05]] using the captured [[Miranda Keyes|Commander Miranda Keyes]]. Ultimately he would be [[Battle for the Control Room (Installation 05)|stopped]] by the combined forces of [[Arbiter]] [[Thel 'Vadam]]ee and [[Avery Johnson|Sergeant Major Avery Johnson]] and the activation sequence would be averted. Despite this, Installation 05 would be moved to standby mode whereby it, along with the remaining Halo rings were primed to be activated remotely from [[Installation 00|the Ark]], which lay outside the rim of the [[Milky Way]] galaxy and accessible by means of the portal on Earth.<ref>'''[[Halo 2]]''', campaign level, ''[[The Great Journey]]''</ref> To accomplish this goal, the Prophet of Truth departed from [[High Charity]] on board the [[Forerunner]] [[keyship]] ''[[Anodyne Spirit]]'' as the Covenant holy city fell to the [[Flood]] and made a slipspace jump to the [[Sol system]], accompanied by remaining Jiralhanae-held ships of the splintered [[High Charity defense fleet]]. Unbeknownst to the Prophet of Truth, [[SPARTAN-II program|Spartan]] [[John-117]] had managed to stow away on the vessel as it decoupled from High Charity.<ref>'''[[Halo 2]]''', campaign level, ''[[High Charity (level)|High Charity]]''</ref>
This was dark time for the UNSC: Earlier in battle, Covenant infantry and vehicular detachments had overwhelmed ground-based [[UNSC]] defending forces, forcing them to retreat from the area, taking heavy casualties in the process. The situation in orbit was similar; the Covenant loyalist ships greatly reduced the UNSC Home Fleet, already weakened by the initial attack. Despite several UNSC counterattacks before the final battle, the Covenant had been gaining more and more ground in Eastern Africa, and thoroughly occupied Voi.


While [[Sangheili]] warships remained in the [[Coelest system]] to quarantine the Flood-infested Installation 05 and High Charity, Commander Keyes and Sergeant Johnson, along with Thel 'Vadam and [[343 Guilty Spark]], the monitor of the [[Battle of Installation 04|destroyed]] [[Installation 04]] departed for Earth in pursuit of the Prophet of Truth. While Truth's arrival at Africa would be [[Scramble onboard Forerunner Dreadnought|delayed]] as the Covenant forces on the ''Anodyne Spirit'' attempted to repel the Spartan, Keyes and her forces would arrive on Earth around November 15.{{Ref/Reuse|coastal}} Keyes would quickly take command of Crow's Nest, coordinating UNSC resistance against the Covenant and devising a plan to assault the Covenant excavation site beneath the ruins of Mombasa.{{Ref/Reuse|crows}} On November 17, the ''Anodyne Spirit'' would descend into Earth's atmosphere, ultimately coming to rest on the now-mostly excavated portal while John-117 was forced to bail out of the ship, landing in the jungles of [[Tanzania]]. The Spartan was easily located due to the efforts of UNSC forces battling in [[Pakistan]],<ref>'''[[Halo: Landfall]]''', ''[[Halo: Last One Standing|Last One Standing]]''</ref> and several squads of Marines led by Sergeant Johnson managed to [[Recovery of John-117|recover]] John-117 and bring him to Crow's Nest.<ref>'''[[Halo 3]]''', campaign level, ''[[Arrival]]''</ref>{{Ref/Level|Id=sierra117|Game=Halo 3|Level=Sierra 117}}
The last UNSC stronghold in the region was a recently repurposed 20th-century base, [[Crow's Nest (Base)|Crow's Nest]], located some distance off Voi. This was where the remaining UNSC forces in the area were coordinated. After [[Lieutenant Commander|Lt. Commander]] [[Miranda Keyes]], Sergeant [[Avery Junior Johnson|Avery Johnson]] and the [[Thel 'Vadam|Arbiter]] arrived at Earth from [[Installation 05]], Commander Keyes assumed command of the base.
[[File:H3 TsavoBattle.png|thumb|left|250px|UNSC forces attacking the Covenant-held Tsavo Highway.]]
While Commander Keyes and [[Terrence Hood|Admiral Terrence Hood]] managed to inform John of the plan to neutralize a Covenant [[Skar'wa-pattern Mantis|anti-aircraft cannon]] in [[Voi]], the Covenant soon launched an [[Attack on Crow's Nest|attack]] on Crow's Nest. Ultimately, the UNSC were able to evacuate all of their surviving personnel before John-117 destroyed the base with a [[Improvised UNSC bomb|bomb]].{{Ref/Reuse|crows}} After surviving the destruction of Crow's Nest, John regrouped with a number of Marines led by [[Reynolds|Gunnery Sergeant Reynolds]] in an underground vehicle bay. The group took several [[M12 Warthog|Warthogs]] and left the base, rallying Marines scattered across the Kenyan savanna, including the survivors of a devastated resupply convoy led by [[Marcus Stacker|Gunnery Sergeant Stacker]]. After re-establishing contact with Commander Keyes and regrouping as many UNSC forces as he could, John-117 led an [[Assault on the Tsavo Highway|assault]] on the [[Tsavo highway (location)|Tsavo Highway]], which was heavily occupied by Covenant armor. After a protracted struggle, the Master Chief was able to defeat all of the Covenant forces on the highway, opening up the path to Voi. Once mobilized, and with a final motivational speech given by Admiral Hood, John and a convoy of UNSC vehicles proceeded towards the embattled city of Voi.{{Ref/Reuse|tsavo}}


{{clear|left}}
== Summary ==
After being recovered by Marines led by Sergeant Johnson, [[SPARTAN-117]] led a [[UNSC]] counterattack to regain lost UNSC ground, retaking a jungle near [[Mount Kilimanjaro]] and securing the UNSC underground base code-named "[[Crow's Nest (Base)|Crow's Nest]]". [[Commander (UNSC)|Commander]] [[Miranda Keyes]] and [[Sergeant Major]] [[Avery J. Johnson]] then organized a small UNSC strike force led by SPARTAN-117 to attack the Covenant Loyalist-held [[Tsavo Highway (Location)|Tsavo Highway]] and thus have a platform for a strike at Voi.


==Battle==
The UNSC Marine Corps was able to retake Tsavo Highway, and it served for a staging ground for a small [[Warthog]] force that would retake Voi. The UNSC forces stationed at Voi had already suffered severe casualties, with only pockets of [[UNSC Marines|Marines]] drawn in a scattered last defense against numerically superior and vehicular-supported [[Loyalist]] forces.
===Beginning===
{{Quote|Chief, the Prophet of Truth has found the Ark. Our only chance of stopping him is a surprise aerial assault. Clear this sector of Covenant anti-air defenses. Make a hole for the Admiral’s ships. Good hunting. Keyes out.|[[Miranda Keyes|Commander Miranda Keyes]] to [[John-117]] as he begins his mission.}}
[[File:Voi 2.jpg|thumb|left|250px|John-117 and Marines fighting Covenant forces in the Traxus facility.]]
After proceeding down the Tsavo Highway, the UNSC convoy arrived outside the entrance to [[Traxus Factory Complex 09]] on the afternoon of November 17, emerging into a parking lot that had been the site of a large battle, with numerous destroyed Warthogs and Marine corpses scattered across the area. Here, most of the Marines as well as John-117 left their [[M831 Troop Transport Warthog|Troop Transports]] behind while several remained on their [[M12 Chaingun Warthog|Chaingun Warthog]] to provide support. As the group formed up outside the closed factory entrance, the Marine's sergeant told the Spartan to take point while they provided support. The group moved through the first room in the factory, which was empty save for the corpse of a single Marine, before hearing the voice of the Prophet of Truth. After moving up onto a nearby catwalk, the team ambushed a group of [[Unggoy]] and [[Kig-Yar]] in the next room who were listening to a [[Holography|holographic]] sermon from the Prophet who revealed that he was close to activating the [[Portal at Voi|artifact]] within the excavation crater, believed by the UNSC to be the [[Installation 00|Ark]] but in reality was the portal that would lead to the extra-galactic installation. After clearing the room, John opened the door allowing their supporting Chaingun Warthog to advance alongside him and the Marines. After opening up a second door, the group were confronted by a large gathering of Covenant troops including several [[Jiralhanae]] along with their parked [[Karo'etba-pattern Ghost|Ghosts]]. As the Covenant's numbers dwindled, their commanding [[Jiralhanae Captain]] attempted to make a run for one of the Ghosts but he soon fell alongside the rest of his soldiers. After securing the tunnel, the UNSC forces moved up to the next door, which led out into the first of two lake beds in which the Covenant had stationed anti-aircraft defenses.{{Ref/Reuse|storm}}
{{clear|left}}


===The lake beds===
[[Fleet Admiral]] [[Sir Terrence Hood]] declared that it was imperative that SPARTAN-117's attack force retake Voi: Lord Hood's plan was that he would launch a low-level aerial strike on Truth's fleet above the Forerunner artifact and prevent him from activating the presumed Ark. However, a [[Loyalist]] [[Anti-Aircraft Battery|anti-aircraft emplacement]] stationed at [[Voi]] prevented Hood's fleet from advancing.  
{{Quote|no=four|q1=Kilo 023, this is Forward Unto Dawn. I need a sit-rep, Commander.|[[Terrence Hood|Fleet Admiral Terrence Hood]]|q2=Atmospheric disturbance is intensifying above the artifact, Admiral.|[[Miranda Keyes|Commander Miranda Keyes]]|q3=And Sierra-117?|Fleet Admiral Hood|q4=Moving as fast as he can, sir. I know he’ll get it done.|Commander Keyes|Admiral Hood and Commander Keyes discuss John-117's progress.}}
[[File:Anti-Air Fire.jpg|thumb|left|250px|An Anti-Aircraft Wraith firing at a Hornet in the first lake bed.]]
Due to the Traxus facility's close proximity to the crater in which the Covenant had been excavating, the water that had once existed in the nearby lakes had been evaporated by Covenant plasma. Within the dried out ruins, the Covenant had placed a series of [[Ogab'd-pattern anti-aircraft Wraith|Anti-Aircraft Wraiths]] to supplement the [[Skar'wa-pattern Mantis|Mantis Anti-Aircraft Cannon]] they had stationed near the factory. These Wraiths were already using their [[fuel rod cannon]]s to devastate UNSC [[AV-14 Hornet|Hornets]] that were engaging squadrons of [[Type-26 Banshee|Banshees]] in the airspace above the factory complex by the time John-117 and his assault force arrived in the first lake bed. A single Anti-Aircraft Wraith was stationed in the lake bed, protected by a unit of Ghosts. A Phantom arrived, killing a Marine operating a [[LAU-65D/SGM-151 missile pod|missile pod]] on the roof of the small dock office in the center of the lake bed, forcing several other Marines to retreat while it deployed a [[lance]] of troops into the office. With the Spartan's assistance, the UNSC were able to retake the office and destroy many of the Covenant vehicles in the area. The Covenant attempted to reinforce their position in the lake bed by deploying a [[Zurdo-pattern Wraith|Wraith]] and more Ghosts into the area but eventually John and the other UNSC forces prevailed and the Spartan was able to destroy the Anti-Aircraft Wraith. A group of Covenant infantry arrived from the next section of the facility, deploying a [[Pek-pattern plasma cannon|plasma cannon]] while several Banshees attempting to strafe the Master Chief were intercepted by UNSC Hornets.{{Ref/Reuse|storm}}
[[File:H3 DroneAttack.png|thumb|250px|Yanme'e ambushing UNSC forces in the Traxus facility.]]
In the next section of the Traxus facility, a small group of Marines defending the gate with a [[AIE-486H machine gun|machine gun turret]] were attempting to hold out against a group of Covenant forces led by a Jiralhanae [[Jiralhanae War Chieftain|War Chieftain]]. The Covenant had entrenched themselves in a nearby office preventing the Marines from flushing them out and forcing them to defend against repeated assaults while further down the factory, in an an adjacent tunnel, an anti-tank unit was assembling to assault the next lake bed, where the Covenant had stationed a pair of Anti-Aircraft Wraiths and more vehicles. Fortunately for the UNSC forces, John arrived along with the forces from the now-secure first lake bed. After wiping out the Covenant infantry guarding the entrance, John made his way inside. The beleaguered Marines on the machine gun encouraged the Spartan to use a nearby door to flank the Covenant in the office and drive them out into the open where they could be cut down by the machine gun. Between John-117 and the Marine heavy machine gun, the Covenant soldiers soon fell.{{Ref/Reuse|storm}}


With the area secure, the Marines opened up the gate for the Spartan and his forces to continue. While passing through the next room, where the UNSC had been stockpiling weaponry, a Phantom appeared above, shattering the glass roof and disgorging a swarm of [[Yanme'e]] to ambush the UNSC forces. Despite the overwhelming number of the insectoid Covenant soldiers, John-117 and the Marines were able to inflict heavy losses on the swarm, forcing the Phantom to withdraw and the surviving Drones to retreat too. As John-117 moved down the tunnel towards the Marine anti-tank unit, he was confronted by a [[Character interludes|hallucinatory]] vision of [[Cortana]] stating that she had "defied gods and demons", hinting to her struggle with the [[Gravemind]] on [[High Charity]]. As the anti-tank unit mounted up; a force of four [[M274 Mongoose|Mongoose]] ATVs with personnel wielding [[M41 SPNKR|rocket launcher]]s, one of the drivers offered his vehicle to the Spartan, who obliged. With this, the unit moved into the second lake bed.{{Ref/Reuse|storm}} 
SPARTAN-117, assisted by Marines, was able to retake Voi, and destroy the AA emplacement. Hood's ships assaulted Truth's Dreadnought, doing no damage, just as the ancient machine was activated. However, it turned out not to be the Ark, but a Portal to it instead. Truth's fleet went through this portal, just as a Flood-infected Battlecruiser slipped in and crashed in Voi. Not long after, a fleet of Covenant Separatists arrived, having chased the Flood ship. They were after a UNSC AI construct, Cortana, which was believed to be held inside the crashed ship. While John-117 eventually recovered Cortana, it turned out to be just a recorded message. The Battle of Voi ended in the Separatist fleet Glassing Voi to contain the Flood.
[[File:Voi 6.jpg|thumb|left|250px|An Anti-Aircraft Wraith is destroyed by the UNSC anti-tank unit in the second lake bed.]]
Within the second lake bed, the Covenant had established a heavy presence, with a pair of Anti-Aircraft Wraiths lending their weight to an on-going aerial dogfight between UNSC and Covenant fliers while multiple Ghosts and [[Barukaza Workshop Chopper|Choppers]] patrolled the lake bed near a large boat that was beached due to the evaporation of the lake's water. On the boardwalk at the northern side of the lake bed, a group of Marines manning missile pods fought against a small unit of Covenant infantry. The anti-tank unit made their way into the lake bed, using their vehicle's superior maneuverability to their advantage while their passengers used their rocket launchers to demolish both Anti-Aircraft Wraiths and their defenders. With the Wraiths dealt with, a number of Hornets descended to provide support against low-flying Banshees. The Covenant refused to give up the lake bed, sending numerous Phantoms carrying reinforcement Ghosts into the lake bed. Despite their efforts, the UNSC anti-tank unit prevailed and the lake bed was cleared of Covenant forces allowing a Pelican to arrive with another Mongoose. In a last-ditch attempt to repel the humans, the Covenant deployed a [[Deutoros-pattern Scarab|Scarab]] which made its way over the roof of the factory towards the lake bed.{{Ref/Reuse|storm}}
[[File:1216050538 Scarab.jpg|thumb|250px|A Scarab engaging UNSC forces in the second lake bed.]]
While many Marines panicked upon hearing the walker's footfalls, Sergeant Johnson ordered them to find cover as the Scarab crashed down into the lake bed. As missile pods opened up in volleys and the anti-tank unit weaved around the Scarab's legs, Johnson ordered the UNSC forces to focus their fire on the Scarab's vulnerable leg joints. With the assistance of the Marine forces in the lake bed, John was able to destroy the Covenant assault platform. The Spartan and other Marine forces quickly moved away from the Scarab as it began to shake violently, before exploding in a massive conflagration of blue-white flames.{{Ref/Reuse|storm}}


===Assault on the anti-aircraft cannon===
==Battle==
{{Quote|no=four|q1=Admiral, a single Covenant ship has slipped in-system.|[[Miranda Keyes|Commander Miranda Keyes]]|q2=Just one? What's its range and disposition?|[[Terrence Hood|Fleet Admiral Terrence Hood]]|q3=Above the artifact, inside the orbital line. Seems to be holding steady.|Commander Keyes|q4=The attack proceeds as planned, Commander. We’re not going to get another shot at Truth.|Fleet Admiral Hood|Admiral Hood and Commander Keyes discuss the arrival of the ''Indulgence of Conviction'' in the Sol system.}}
===Beginning===
[[File:H3 TraxusHunters.png|thumb|left|250px|John-117 fighting a Mgalekgolo pair in the Traxus facility.]]
[[File:Master Chief & The Arbiter.jpg|thumb|irght|John-117 and Thel 'Vadam in the Kenyan jungle.]]
With the lake bed clear of Covenant forces, Sergeant Johnson informed John that his final target was the Covenant anti-aircraft cannon on the other side of the factory. Another Pelican arrived deploying [[Arbiter]] [[Thel 'Vadam]]. Upon meeting with John, Thel vowed that he would return honor to the Covenant once more. The two made their way inward to the next section of Traxus Factory Complex 09, which had been secured by the UNSC and was been used as a first-aid station for injured Marines and [[civilian]] factory workers. As John entered the room, he was faced with another vision of Cortana proclaiming that she was his "sword and his shield", referencing the [[Wikipedia:Sparta|origins]] of the [[SPARTAN-II program]]. Through a nearby field radio, a [[UNSC Navy|naval]] officer reported that the Covenant warships were pulling back to the Prophet of Truth's vessel as well as indicating that the artifact was nearing activation, citing extreme winds and energy cascades across the portal's surface. Commander Keyes then reported that a [[Indulgence of Conviction|single]] Covenant warship had appeared in-system, but Admiral Hood dismissed it, telling her that they would not get another opportunity to attack the Prophet of Truth.{{Ref/Reuse|storm}} 
On November 17, the Prophet of Truth arrived at Earth aboard the [[Forerunner Dreadnought]], landing in the center of the Portal. SPARTAN-117, onboard the ship, bailed out as it entered atmosphere, and using a hatch as a heat shield, landed in a jungle near [[Mount Kilimanjaro]]. Because of force of the impact, he went unconscious for hours.  
[[File:Covenant Anti-Air gun.jpg|thumb|250px|The anti-aircraft cannon firing at approaching UNSC ships.]]
Several Marines accompanied John and Thel as they left the first-aid station, moving through an area of corrugated plates before arriving in the warehouse section of the facility, where Marines were pinned down by Jiralhanae forces. The group moved in, eliminating the Covenant soldiers and allowing a Marine to operate the machine gun mounted on a nearby catwalk to support the UNSC advance. A pair of Marines retreated from the next area, pursued by another pack of Brutes while further back, more Jiralhanae were violently killing factory workers. As John and Thel moved forward, clearing out the Covenant soldiers, many cowering civilians armed themselves with [[M6G magnum|pistols]] and joined the UNSC advance. As the group approached the exit to the warehouse, they witnessed a group of retreating factory workers getting blown up by [[assault cannon]] fire. A pair of [[Mgalekgolo]] charged into the warehouse to stop the humans while more Covenant infantry led by a [[Jiralhanae Chieftain]] waited outside. The Marines and civilians managed to distract the Mgalekgolo long enough for John-117 to kill the gestalts. As the group traded fire with the Covenant outside, killing several Unggoy, the Chieftain and his [[Jiralhanae Bodyguard|bodyguards]] fell back up the street to a larger group of Covenant soldiers and a [[holotank]] projecting an image of the Prophet of Truth. While the opposing forces clashed, the Prophet attempted to inspire his forces by claiming that they were close to victory. As the Covenant forces dwindled, the Chieftain charged the UNSC forces with his [[Gravity hammer (fiction)|gravity hammer]] but ultimately fell before the humans. As the UNSC continued towards the anti-aircraft cannon, Thel briefly paused by the holotank, angrily stating that he would never again be shamed by the Prophet.{{Ref/Reuse|storm}}
[[File:Storm1.jpg|thumb|left|250px|The ''Anodyne Spirit'' departing through the now-opened portal to Installation 00]]
The team arrived at the base of the hill on which the Covenant anti-aircraft cannon stood, witnessing it shooting down an approaching [[GA-TL1 Longsword|Longsword]]. Commander Keyes urged John-117 to destroy the cannon as Hood's [[Battle Group Victory|battle group]] was quickly approaching. With that, the group pushed up the hill, wiping out Unggoy and Kig-Yar forces that tried to stop them. Cresting the hill, John and Thel did battle with the final contingent of Covenant troops defending the cannon - a Jiralhanae War Chieftain and his assortment of bodyguards. After a furious battle, the Chieftain and his forces fell to the Master Chief and Arbiter. At Johnson's insistence, the Spartan unloaded his arsenal into the exposed heat-vent on the underside of the cannon. The cannon exploded violently, the top portion of the gun toppling off the cliff. With the threat eliminated, Battle Group Victory made its final approach.{{Ref/Reuse|storm}}
{{clear|left}}


===Flood on Earth===
In the morning, the Spartan was recovered by Marines led by Sergeant Johnson, and the Arbiter with them. Just as they thought they'd need to call in [[VTOL]] support to carry the Spartan's body away, he woke up. As John-117 got to his feet, Johnson sent the [[First Squad]] forward as the scouts. The [[Bravo Team]], led by [[Reynolds|GySgt Reynolds]], was scouting the jungle some kilometers away, and Johnson radioed Reynolds to fall back to the extraction point at a nearby river. Soon, a Covenant Phantom appeared overhead, and Johnson decided to split the squads, in order to go undetected. With the [[Second Squad]], he would find another way to the extraction point while the Chief and the Arbiter headed straight to the river.
{{Quote|no=four|q1=The Flood - it's spreading all over the city.|[[Miranda Keyes|Commander Miranda Keyes]]|q2=How do we contain it?|[[Terrence Hood|Admiral Terrence Hood]]|q3=Find the crashed Flood ship; overload its engine core. We either destroy this city, or risk losing the entire planet.|Commander Keyes|q4=Do it.|Admiral Hood|Commander Keyes and Admiral Hood realize the severity of the Flood threat, and order the destruction of Voi to stop it.{{Ref/Reuse|flood}}}}
[[File:Voi 7.jpg|thumb|left|250px|John-117 and Thel 'Vadam watch the Flood-infested ''Indulgence of Conviction'' arriving at Earth.]]
John and Thel moved to the edge of the cliff as the battle group soared overhead; several squadrons of Longswords bombarding the ''Anodyne Spirit'' while {{Class|Charon|light frigate}}s opened fire with their [[Magnetic Accelerator Cannon]]s. Explosions carpeted the [[Forerunner]] [[keyship]]'s surface but the vessel was undamaged. The portal began to activate, the keyship lowered into the structure as an energy beam growing in intensity focused through the ship. As the wind of the storm intensified, John and Thel were knocked backward. The portal activated, sending out a shockwave that temporarily caused John-117 to black out. The Spartan came to in time to witness the ''Anodyne Spirit'' depart through the now-opened portal, followed by the rest of his fleet. As Thel 'Vadam roared in anger, Admiral Hood asked if the Prophet had activated the Ark, to which Commander Keyes responded in the negative. As Hood gave the order for UNSC forces to regroup, the [[Flood]]-infested {{Pattern|Ket|battlecruiser}} exited slipspace near the city of Voi. The ship flew in low over the city, trailing rancid smoke, before crashing into Traxus Factory Complex 09. As Thel pondered the possible arrival of more Covenant, John responded that it was in fact, a far more dangerous threat - the Flood.{{Ref/Reuse|storm}}
[[File:Picture 1.jpg|thumb|250px|A Marine under attack by Flood combat forms.]]As the Flood began to [[Flood outbreak|rapidly spread]] from the ''Indulgence of Conviction's'' crash site into the surrounding city of Voi and assimilating the corpses of humans and Covenant killed during the battle, Commander Keyes, recognizing the severity of the threat, ordered John-117 to make his way to the downed battlecruiser and overload its engines, knowing that that was their only chance to prevent the Flood from spreading across the entire planet. Admiral Hood agreed with her assessment and John, accompanied by Thel made his way back down the hill towards the Traxus facility. The recently-victorious UNSC forces scattered across Voi began to encounter the new hostiles, and with most of them having never encountered the Flood before, were easily assimilated by the parasite. John and Thel made it back to the entrance of the facility where a squad of Marines were regrouping. Suddenly, swarms of [[Pod infector]]s and [[Flood combat form|combat forms]] descended from the rooftops, landing amidst the Marines and rapidly infecting most of them, forcing John, Thel and the survivors to turn their weapons on them. Eventually beating back the wave of Flood, Thel urged the Spartan to hurry and find the crash site, knowing that speed was imperative to stop the Flood outbreak.{{Ref/Reuse|flood}}


With the main door to the facility sealed, the two entered through a nearby office, arriving just in time to rescue a Marine from a swarm of Pod infectors. In the warehouse, masses of Flood combat forms were attacking scattered groups of Marines led by [[Marcus Stacker|Gunnery Sergeant Stacker]]. John and Thel engaged in combat with the large numbers of infested humans and Jiralhanae, eventually clearing the area and rescuing several survivors including the sergeant. In the next area, they arrived too late to save several Marines from the Flood, including one wielding a [[M7057 flamethrower|flamethrower]]. Despite this, the group managed to wipe out all Flood forms present and John and Thel continued on while the surviving Marines stayed behind.{{Ref/Reuse|flood}}
After some time, John-117 and the Arbiter discovered Reynolds. He was being tortured by a Brute, who tried to force him to tell the location of the UNSC base in the area. After being saved, Reynolds told the Chief and the Arbiter that a [[Jiralhanae Chieftain]] on a Phantom had pinned them down and killed his entire squad. Reynolds then joined Arbiter and John on their way to the river. As the Arbiter and John-117 arrived at the river, Johnson and the Second Squad were already picked up by a Pelican, [[Echo 51]], with another Pelican hovering nearby and providing fire support against the numerous Covenant ground troops around the river. Suddenly, two [[Type-26 Ground Support Aircraft|Banshees]] appeared and shot down the Pelicans. Echo 51, its thruster heavily damaged, crashed about half a kilometer away, while the other one plunged straight to the water.
[[File:H3 Floodgate ODST Concept.jpg|thumb|left|250px|ODSTs preparing to engage the Flood in Voi.]]
Due to the warehouse doors having been sealed, John and Thel were forced to make their way across a catwalk and into a room with a hole in the floor. The two dropped down into a small room containing UNSC medical supplies and John experienced another vision of Cortana, a seemingly fragmented message warning him that she couldn't tell him much, as the Gravemind was aware that she was in "the system" - this was in truth a part of the message that Cortana had sent on board the ''Indulgence of Conviction'' as the vessel departed from the [[Coelest system]]. Within the winding pathway of corrugated steel plates, a group of Flood combat forms attempted to ambush the duo, but failed and were eliminated. The former first-aid station was empty aside from a [[Suicidal Marine|single]] Marine surrounded by the corpses of his comrades. The Marine, having been driven to insanity by the Flood, babbled about how he had witnessed his squad becoming infected by the Flood and how he had subsequently had to put them down. Holding a [[M6G magnum|pistol]] to his head, the Marine reasoned that he needed to help himself too. After doing what they could for the Marine, John and Thel proceeded out onto the lake bed on which the Spartan had previously faced the Scarab, now mostly sheared away due to the crash landing of the ''Indulgence of Conviction''.{{Ref/Reuse|flood}}
{{clear|left}}


===Sangheili reinforcements arrive===
Arbiter and the Chief then made their way to the crash site, where Johnson and his Marines were holding position. However, they were too late. Johnson and his squad were captured by the Brutes and taken to a [[A2|nearby dam]]. SPARTAN-117 and the Arbiter made their way to the dam, where Johnson and his Marines were being held. After defeating the Covenant on the dam, including the [[Jiralhanae Chieftain]] in command of the Covenant forces in the area, the human prisoners were freed. After this however, two more Phantoms appeared, dropping off Covenant reinforcements on the dam. The UNSC forces held off the attacking Covenant for some time, and not long after, the Pelican [[Kilo 23 (Pelican)|Kilo 23]] arrived, destroying the Phantoms. The Marines, John-117 and the Arbiter boarded the dropship, and set course for the UNSC base, Crow's Nest.<ref>''[[Halo 3]] level [[Sierra 117 (Level)|Sierra 117]]''</ref>
{{Quote|Hail, humans, and take heed. This is the carrier ''Shadow of Intent''. Clear this sector, while we deal with the Flood.|[[Fleetmaster]] [[Rtas 'Vadum]] as the ''Shadow of Intent''{{'}}s battle group of the Fleet of Retribution arrives at Earth.}}
[[File:Conversing Sangheili.jpg|thumb|250px|The Sangheili Major revealing the fall of High Charity and the Flood's evolution to Thel 'Vadam.]]
During the ongoing Battle for Earth, the Sangheili warships still at [[Installation 05]] had been hard at work maintaining a quarantine of the Flood-infested [[High Charity]]. While they had successfully managed to glass the infested surface of the installation and destroy the majority of Flood-controlled vessels attempting to escape the system, the {{Pattern|Ket|battlecruiser}} ''[[Indulgence of Conviction]]'' had managed to bypass the quarantine and move to slipspace, intending to spread the Flood infection to Earth. A portion{{Ref/Note|Id=composition|See [[Fleet of Retribution#Notes|here]].}} of the [[Fleet of Retribution]] led by [[Fleetmaster]] [[Rtas 'Vadum]] was quick to follow and they arrived at Earth a short while after the Flood-infested vessel's arrival. Emerging from slipspace in the city of Voi's airspace, 'Vadum sent out a message to the remaining human forces in the area, telling them to vacate the city while they dealt with the Flood. The Sangheili had also learned of what they thought was the [[Artificial intelligence|AI]] [[Cortana]]'s presence on the Flood ship, in truth a message sent by Cortana who was still on High Charity being tortured by the [[Gravemind]].<ref>'''[[Halo: Evolutions]]''', ''[[Human Weakness]]''</ref> The Sangheili revealed this to the senior UNSC command, who didn't want to believe them at first. Seeking to recover the AI before destroying the crash site, the Fleet of Retribution disgorged a number of [[Udka-pattern Assault Carapace|drop pods]] carrying [[Special Operations Sangheili]] to the surface. Several of these pods landed in close proximity to John-117 and Thel 'Vadam, arriving in the ruins of the lake bed and promptly engaging the Flood combat forms surrounding them. John and Thel fought their way over to the team and with the area secure, their commanding [[Sangheili Major]] addressed Thel, revealing to the Arbiter the [[Fall of High Charity|fall]] of High Charity, the failure of their quarantine effort and the [[Flood pure form|evolution]] of the Flood.{{Ref/Reuse|flood}}
[[File:H3 FloodgateTank.png|thumb|left|250px|John-117 and Special Operations Sangheili engaging a Flood tank form.]]
Now accompanied by the team of Special Operations Sangheili, John-117 and Thel continued to push towards the Flood ship's crash site, making their way around the rim of the devastated lake bed while engaging numerous Flood forms that leaped up from below to attack them. After fighting their way around the lake bed, they re-entered the factory, engaging another large group of combat forms. Yet more Flood forms leapt down on them from the broken glass roof where John had fought the Yanme'e previously while another cluster of combat forms approached from the next office. Commander Keyes and Johnson then contacted the Spartan, revealing that Cortana was indeed on board the ship, and his priority was to recover the AI. As they reached the lake bed where the ''Indulgence of Conviction'' had crashed, the group was confronted by a [[Flood pure form|pure form]]: a highly-mobile [[Flood stalker form|stalker form]], upon being confronted by the team, transformed into a hulking [[Flood tank form|tank form]] which lumbered into close-quarters combat. After a scuffle, the team managed to put the pure form down. As John, Thel and the Special Operations Sangheili fought their way across the lake bed, fighting more pure forms and combat forms, now including infected Sangheili, a Phantom deployed another team of Sangheili closer to the vessel, but they were overwhelmed by massive numbers of Flood before John could reach them. The team was forced to fight through huge numbers of Flood forms including [[Flood ranged form|ranged forms]] which nestled onto walls and rooftops and fired organic projectiles at the group. Despite fierce resistance, the team managed to fight their way up to the ship, where a rent torn into the hull represented a path into the ship. Thel 'Vadam told John that he would remain behind while the Spartan ventured inside, in order to prevent any Flood forms from entering after him.{{Ref/Reuse|flood}}
[[File:Halo3 E3 TRAILER 2007 720p30 ST 6300Kbps 002 0001.jpg|thumb|250px|John-117 and 343 Guilty Spark leave Voi with Cortana's storage device while the Fleet of Retribution glass the city and its surrounding areas to stop the Flood outbreak.]]
As John made his way through corridors of thick with Flood biomass and [[Flood blister|blisters]], passing several Sangheili corpses as he went, he was assailed by the voice of the Gravemind. The Flood central consciousness told him in a soothing voice not to be afraid, for he offered "peace" and "salvation". Eventually reaching a ledge, John dropped down to a lower level. As he entered a larger room, he heard the Gravemind's voice again, this time being told that the Flood was infinite, and that he should join them. Regardless, John eventually arrived at a Covenant pod, in which lay a small [[Covenant storage device|storage device]]. After activating it, Cortana's avatar appeared before him. Before she could say anything more than a mention of [[High Charity]], her avatar flickered out of existence due to the damage that the storage device had sustained. At that moment, a [[Covenant separatists|separatist]] Phantom arrived, hovering over the open chamber. From the dropship's gravity lift, [[343 Guilty Spark]], the [[monitor]] of the [[Battle of Installation 04|destroyed]] [[Installation 04]] arrived. Due to their prior encounter, which had been openly hostile, John kept his [[MA5C assault rifle|assault rifle]] levelled at Spark. Without warning, the monitor fired his laser beam over John's right shoulder, burning down a Flood combat form that had appeared behind the Spartan. The monitor then proceeded to use a small repair beam to interact with the Covenant storage device. John tore him away, warning him to leave Cortana alone. When Spark attempted to interface with the unit again, John reminded him of the monitor's [[Two Betrayals|attempt]] to kill both him and Cortana. To this, Spark replied that he had only been following his assigned protocol to protect his Installation, and due to its [[The Maw|destruction]], his sole remaining purpose was to help the Spartan. Reluctantly, John allowed Spark to pick up the storage device with his beam and carry it into the Phantom's [[gravity lift]], with John following him into the ship. As the Phantom departed Voi, the Fleet of Retribution [[glassing|glassed]] the city and the surrounding countryside, in order to eliminate the Flood presence and prevent it from spreading across the planet and effectively ending the Battle of Voi.{{Ref/Reuse|flood}}


==Aftermath==
===Crow's Nest===
[[File:Final meeting 7.png|thumb|left|250px|UNSC and Sangheili leaders convene aboard ''Shadow of Intent''.]]
[[File:90872136-Full.jpg|thumb|right|A Pelican in the hangar of [[Crow's Nest (Base)|Crow's Nest]].]]
Following the battle, UNSC and Sangheili military leaders held a meeting aboard the Sangheili flagship ''[[Shadow of Intent]]''. 343 Guilty Spark managed to repair the Covenant storage device, where it was revealed that what was initially thought to be Cortana turned out to be a message from the AI. The message warned the UNSC and Sangheili that the Gravemind itself was coming to infest Earth aboard the former Covenant holy city ''[[High Charity]]''. The recording also informed them that beyond the Portal was a [[Installation 08|means]] of stopping the Flood without firing the Halo Array. The Sangheili opted to go through the Portal after Truth, but Admrial Hood wanted to stay to defend Earth, despite the Sangheili's insistence that Earth could not survive a full-scale Flood invasion. The Master Chief and Commander Keyes, however, managed to convince Hood to allow the {{UNSCShip|Forward Unto Dawn}} to accompany the Fleet of Retribution through the portal to both stop Truth and find Cortana's solution to the Flood. The Admiral acquiesced and the joint UNSC/Sangheili task force departed for Installation 00 through the portal while Admiral Hood remained behind to coordinate Earth's remaining defenses.{{Ref/Reuse|flood}}
Shortly after John-117 was recovered, the Arbiter, and Master Sergeant Avery J. Johnson arrived at the base and began to discuss plans for attacking the Prophet of Truth's army at the Forerunner structure, the Prophet sent a transmission announcing his plans to destroy them and launched a massive assault on the Marine base. The UNSC forces, spread thin, fought against the Covenant forces in order to hold them back long enough to evacuate the wounded.


Although the Battle of Voi resulted in the retreat of the Covenant from Africa, remaining Covenant forces had fortified themselves across the southwestern [[URNA]]. The Prophet of Truth and his fleet's departure through the Portal sent the Covenant [[proselytization network]] into disarray, allowing UNSC forces to enact [[URNA Southwest Campaign|a major counteroffensive]] in Arizona, which set the stage for killing clusters of high-value Jiralhanae leadership during [[Operation: MARSH FLASH]] in early December. Ultimately, the UNSC eliminated the Covenant presence on Earth once and for all.<ref name="loot2"/>
The Chief, alongside with squads led by Gunnery Sergeants Reynolds and Pete Stacker, led a strike against the bulk of the invaders while Johnson and the Arbiter guarded the ops center. The Chief soon had to return to the ops center, as the Brutes were attacking it. He swiftly defeated the invasion and learned that Keyes had ordered the massive bomb planted, which would explode and set off other charges in the base, obliterating it and all Covenant within. The Chief then had to go with the Arbiter to rescue Marines trapped by the Brutes in the barracks before the Brutes killed all the prisoners.
[[File:HSA Flood infesting Earth.jpg|thumb|A simulation of Earth being infested by the Flood.]]


The UNSC/Sangheili task force arrived at Installation 00 on December 11, where they promptly [[Battle of Installation 00|engaged]] the Prophet of Truth's fleet above the Ark while John-117 spearheaded an [[Battle for the Cartographer (Installation 00)|operation]] to locate one of the Ark's [[Cartographer#Installation 00|Cartographer]] facilities. In the ensuing battle, Truth's fleet would be completely wiped out by the Sangheili while his [[Installation 00 Citadel|location]] was discovered by John-117. The task force would then launch an [[Battle of the Citadel|assault]] on the Prophet of Truth, in which the final [[Hierarch]] of the Covenant would be killed by Thel 'Vadam, resulting in the [[Covenant remnants|ultimate dissolution]] of the Covenant and ending [[Human-Covenant War|almost thirty years]] of war. John would go on to [[Raid on High Charity|recover]] Cortana from the remains of High Charity, which had been brought to the Ark through a portal at [[Mars]] by the [[Gravemind]], sparing Earth from the expected Flood invasion.<ref name="Bulletin924">[https://blogs.halowaypoint.com/en-us/blogs/headlines/posts/the-halo-bulletin-9-24-14 ''Halo Waypoint'' - The Halo Bulletin: 9.24.14]</ref>  
The Chief and the Arbiter rescued as many Marines as they could and had Hocus evacuate them (and the rest of the UNSC forces still there) via Pelican. The Chief and the Arbiter then fell back to the ops center to defeat a Brute force that took it over and turned off the bomb. They reset the bomb and retreated, barely escaping as the bomb exploded and killed the remaining Covenant.<ref>''[[Halo 3]] level [[Crow's Nest (Level)|Crow's Nest]]''</ref>


At some point following the battle, but before the official cessation of hostilities on [[2553#March|March 3, 2553]], the UNSC performed biohazard containment protocols in what remained of Voi—now dubbed the "Voi Exclusion Zone"—as part of [[Operation: JOINT MONITOR]] to ensure no Flood presence was left; none was detected.<ref name="H5GLtd">''[[Halo 5: Guardians Limited Edition]]''</ref><ref name="HNB">''[[Halo: New Blood]]'', Chapter ??</ref> After the Human-Covenant War, the UNSC concealed Voi's glassing as a surprise attack by the Covenant, although some humans outside the UNSC, such as [[Staffan Sentzke]], knew the truth about Voi's glassing. The arrival of the Flood on Earth also made the UNSC realize the full extent of the threat posed by the parasite; the UNSC concluded that if the Covenant had not glassed Voi, Earth would have fallen in hours. After the creation of the [[SPARTAN-IV Program]], the UNSC began to develop training simulations for the Spartans, and create technology against the Flood, in the hypothetical case of the parasite returning to threaten the galaxy.{{Ref/Reuse|HSA}}
===Tsavo Highway===
{{clear|right}}
[[File:H3 E3 Tsavo Highway Road.jpg|thumb|right|The battle on the [[Tsavo Highway (Location)|Tsavo Highway]].]]
UNSC forces led by John-117 and Gunnery Sergeant Reynolds, a small amount of Marines who survived the Battle of Crow's Nest unscathed, escaped the ruins of the complex in Warthogs to avoid Brutes who would inevitably search the remains of the base for survivors. While escaping, they helped a group of Marines near the base's entrance who were pinned down by Covenant scouts. The survivors were unable to send transmissions, but they were able to receive them. They were ordered by Miranda Keyes to go to Voi and assist Marine forces there, who were battling the Prophet of Truth's troops.


==Participants==
John-117 and the Marines traveled along the highway, battling Covenant troops in the shadow of the skeletal remains of the New Mombasa Orbital Elevator. Nearby, Gunnery Sergeant Pete Stacker led a convoy bringing supplies to the exhausted troops at Voi, but they were ambushed and strafed by Banshees. John-117 and the Marines with him were able to reach the convoy and rescue the survivors. They were finally able to communicate with Miranda Keyes, who was told by ONI Recon 111 that the Prophet of Truth was excavating the Ark. With the help of resupply Pelicans sent by Sergeant Major Avery Junior Johnson, John-117's convoy was able to punch through to Voi.<ref name="tsavo"/>
{{col-begin}}
{{col-2}}
===UNSC===
===Naval assets===
====Starships====
{| class="wikitable sortable " style="width: 75%;" cellspacing="1" cellpadding="1" border="0"
|-
! Tactical grouping
! Class
! Name
! Status<!--This refers to their status after the battle, not their overall status-->
|-
| [[Battle Group Victory]]{{Ref/Reuse|loot2NRA2}}
|{{Class|Charon|light frigate}}
|{{UNSCShip|Forward Unto Dawn}}{{Ref/Reuse|storm}}
|Survived
|}


====Military personnel====
===Assault to Voi===
{| class="wikitable sortable " style="width: 75%;" cellspacing="1" cellpadding="1" border="0"
[[Image:Voi 1.jpg|thumb|right|The [[Warthog]] convoy arrives.]]
|-
After his battle to fight his way up the [[Tsavo Highway (location)|Tsavo Highway]], [[Master Chief]] not only secured the gate to Voi but also a landing zone for [[Commander Keyes|Cmd. Miranda Keyes]] to deploy her Marines. Mounting up with a group of Warthogs, he rode shotgun through the gates to the outside of the Traxus facility where previous Marine counter attacks had failed. Ten marines dismounted from the [[Transport Warthog]]s along with the Chief and then a few remained to operate their [[Warthog|Warthog LRV]] to give them heavy support. The [[Traxus_Factory_Complex_09|Traxus facility]] composed of several areas, each sealed off by a bulk head to allow and deny movement between the areas. After initially infiltrating the facility the first gate was opened, interrupting a [[File]] of [[Jackals]] and [[Grunts]] during one of [[Truth|Truth's]] speeches. They were taken by surprise and quickly gunned down. After quickly hammering through another file of grunts Chief opened the door to a long tunnel heading down the facility. A large group of Grunts, Jackals and a single [[Brute Captain]] guarded the other end of the corridor, along with their reserve [[Type-32 Rapid Assault Vehicle|Ghost RAVs]]. After the combined arms of the Chief, the Warthog and the Marines defeated the defenders, they finally broke through to their first objective.<ref name="storm"/>
! Branch
! Rank
! Name
! Status<!--This refers to their status after the battle, not their overall status-->
|-
| rowspan="3" |[[UNSC Navy]]
|[[Fleet Admiral]]
|[[Terrence Hood]]{{Ref/Reuse|crows}}
|Survived
|-
|[[Commander]]
|[[Miranda Keyes]]{{Ref/Reuse|crows}}
|Survived
|-
|[[Master Chief Petty Officer]]
|[[John-117]]{{Ref/Reuse|sierra117}}
|Survived
|-
| rowspan="3"|[[UNSC Marine Corps]]
|[[Colonel]]
|[[Rochambeau]]
|Unknown{{Ref/Generic|Id=HMA5|[[Halo Infinite: Memory Agent]]|[[Chapter 5: Intruder Alert]]}}
|-
|[[Sergeant Major]]
|[[Avery Johnson]]{{Ref/Reuse|sierra117}}
|Survived
|-
|[[Private First Class]]
|[[Colum McGinnis]]
|Survived{{Ref/Reuse|HMA5}}
|}


===Units===
===The First Objective===
====Ground forces====
[[File:Anti-Air Fire.jpg|thumb|right|The first objective.]]
*[[UNSC Navy]]
In the dried out dockyard outside, the first [[Type-52 Anti Aircraft Artillery]] lay, lending its weight to an aerial dog fight between [[Hornet|Hornet Gunships]] and [[Banshee]]s. It was guarded by a trio of Ghosts and numerous [[Type-52 Troop Carrier]]s came in to cover the ground forces. The UNSC Forces punched upwards, securing a UNSC held dock office after initially being pushed back from it and used the [[LAU-65D/SGM-151]] SAM turret at the base to beat back Covenant armed forces. After destroying their objective they pushed onwards, destroying the [[Type-25_Assault_Gun_Carriage|Wraith]] that defended the doorway back into the [[Traxus Factory Complex 09|Traxus Facility]].
*[[UNSC Marine Corps]]
**[[S4/BLCE/1/7]]
**[[S4/BRT/1/7]]
***[[Alpha Company, S4/BRT/1/7|Alpha Company]]
***[[Charlie Company, S4/BRT/1/7|Charlie Company]]
====Naval forces====
*[[Battle Group Victory]]{{Ref/Reuse|loot2NRA2}}


===Covenant separatists===
===Regroup===
===Naval assets===
Inside, the UNSC Forces still held parts of the facility but were being pushed back by an assault being headed by a [[Brute Chieftain]]. In there a Marine fire team operating a [[AIE-486H Heavy Machine Gun]] held the Covenant at bay, at least for a time. A [[UNSC Marines|Marine]] squad headed by Spartan-117 pushed in and killed the [[Brute Chieftain]] and [[Brute_Bodyguard|his bodyguards]] attempting to oust the Marine defenders. After opening the next bulkhead for the [[Warthog]] supporting them they were ambushed by a swarm of [[Drones]] that descended from a Phantom overhead. After forcing them into a retreat the Master Chief and the Warthog linked up with a Marine Anti Tank unit armed with [[M41 SSR MAV/AW]] that had requisitioned four [[M274 Mongoose ULATV]] to use as improvised fast attack light anti armor vehicles. A Marine offered Spartan-117 the controls of his Mongoose and he led them out into the next Dock.
====Starships====
{| class="wikitable sortable " style="width: 75%;" cellspacing="1" cellpadding="1" border="0"
|-
! Tactical grouping
! Class
! Name
! Status<!--This refers to their status after the battle, not their overall status-->
|-
| rowspan="2" |[[Fleet of Retribution]]
| {{Class|CAS|assault carrier}}
|''[[Shadow of Intent]]''{{Ref/Reuse|flood}}
|Survived
|-
| {{Pattern|Ket|battlecruiser}}
|''[[Pious Inquisitor]]''
|Survived
|}
====Military personnel====
{| class="wikitable sortable " style="width: 75%;" cellspacing="1" cellpadding="1" border="0"
|-
! Branch
! Rank
! Name
! Status<!--This refers to their status after the battle, not their overall status-->
|-
| rowspan="4" |Unknown
|[[Fleetmaster]]
|[[Rtas 'Vadum]]{{Ref/Reuse|flood}}
|Survived
|-
|[[Arbiter]]
|[[Thel 'Vadam]]{{Ref/Reuse|sierra117}}
|Survived
|-
| rowspan="2" |[[Special Operations Sangheili|Special Operations]]
|[[Usze 'Taham]]{{Ref/Site|Id=Coop|D=14|M=11|Y=2014|URL=http://halo.bungie.net/News/content.aspx?type=topnews&link=thesoundofsack|Site=bungie.net|Page=The Tru7h About Co-Op in Halo 3}}
|Survived
|-
|[[N'tho 'Sraom]]{{Ref/Reuse|Coop}}
|Survived
|}
===Units===
====Ground forces====
*[[Special Warfare Group|Fleet of Retribution Special Warfare Group]]
====Naval forces====
*[[Fleet of Retribution]]
**One [[battle group]]{{Ref/NoteReuse|composition}}
{{col-2}}


===Covenant===
===The Second Objective===
===Naval assets===
[[Image:Voi 5.jpg|thumb|Sierra-117 regroups with [[Marine]] forces.]]
====Starships====
In the next dry dock a pair of [[AA Wraiths]] battered UNSC air forces, but only because this time they had a significant amount of defensive measures compared to the last area. A number of [[Ghosts]] and [[Type-25 Rapid Assault Vehicle|Chopper RAVs]] defended them against UNSC counter attack. The Marine mounted Anti Tank unit, the supporting Warthog LRV and a number of troops defending the actual dock with conventional arms and a series of SAM Turrets. Covenant forces were beaten back and their AA batteries destroyed but they refused to admit defeat, bringing in Ghost reinforcements on [[Phantom|Phantoms]]. They were all defeated in turn, leaving the UNSC forces a quick breather and a chance to bring in more mounted Anti Tank units before the Covenant gave one last push to retake the dock. A [[Type-47 Ultra Heavy Assault Platform]], better known as the Scarab, crawled over the roof tops and engaged the mounted forces in the dock. The Marines had a choice whether to disable its legs to cripple it and bring it low then board and destroy its power core or to buy time for the Master Chief so he could use one of the Dock Cranes to board it. In time, it was defeated and destroyed, giving the UNSC forces breathing space to make their push for the final objective.
{| class="wikitable sortable " style="width: 75%;" cellspacing="1" cellpadding="1" border="0"
|-
! Tactical grouping
! Class
! Name
! Status<!--This refers to their status after the battle, not their overall status-->
|-
| rowspan="3" |[[Truth's fleet]]
| [[Forerunner]] [[keyship]]
|''[[Anodyne Spirit]]''{{Ref/Reuse|tsavo}}
|Survived
|-
| {{Pattern|Varric|heavy cruiser}}
|''[[Foebane|Gathering of Praise]]''{{Ref/Reuse|loot5}}{{Ref/Reuse|envoy}}
|Survived
|-
| [[Covenant frigate]]
|''[[Twilight Compunction]]''{{Ref/Reuse|loot5}}
|Survived
|}


====Military personnel====
===Push to the AA Gun===
{| class="wikitable sortable " style="width: 75%;" cellspacing="1" cellpadding="1" border="0"
[[Image:The Storm AA Gun.jpg|thumb|200px|The final objective.]]
|-
[[Master Chief]] soon traveled up to the dock and was joined by another squad of reinforcements led by [[Arbiter (character)|The Arbiter]] and moved through to another section of the Traxus facility, another section held by the Marines. It served as their local command center, their medical station and their ammo dump. It was heavily fortified with numerous defensive points armed with machine guns, but at the other end of the base, where it entered the warehouse, their defensive position was falling. [[Brute]] forces had pushed back through the warehouse, flanking their defensive position. UNSC Forces, now joined by [[Voi_Factory_Workers|Voi dock and factory workers]] and led by the Arbiter and the Chief soon pushed back, retaking the warehouse and defeating large groups of Brutes and even a [[Hunter]] pair before a showdown with a [[Chieftain]] outside. After more tight street to street fighting, they pushed the Covenant forces back to the rocky precipice where the AA gun lay. With no way for the Brutes to retreat and with Lord Hood's attack imminent, it was make or break time. UNSC forces pushed up the hill, fighting off another [[War Chieftain]], numerous Grunts and Jackals, the Chieftain's pack and several hastily planted Plasma Cannons. After defeating the forces guarding it they destroyed its rapidly overheating core and cooling system to cripple it and waited as [[Lord Hood|Lord Hood's]] attack commenced.
! Branch
! Rank
! Name
! Status<!--This refers to their status after the battle, not their overall status-->
|-
| rowspan="2" |Unknown
|[[Shipmaster]]
|[[Hekabe]]
|Survived
|-
|[[Jiralhanae Chieftain|Chieftain]]
|[[Cethegus]]
|Survived
|}


====Non-combatants====
===Activation of the Artifact===
{| class="wikitable sortable " style="width: 75%;" cellspacing="1" cellpadding="1" border="0"
[[Image:Halo3-1213288452-668.jpg|thumb|right|The portal opening.]]
|-
A task force of three [[UNSC Frigates|frigates]], including the {{UNSCShip|Forward Unto Dawn}}, and [[Longsword]] fighters assaulted the [[Forerunner Dreadnought]] sitting in the center of the artifact. Multiple [[MAC]] rounds and fighter-launched ordnance proved ineffective. The Dreadnought suffered no apparent damage and it proceeded to activate the artifact. [[Covenant]] forces quickly departed through the newly created [[Portal]]. Another unexpected event soon manifested in the slipping in and crash landing of a damaged {{Class|CCS|Battlecruiser}} near Voi. Although it was initially thought to bear [[Brute]] reinforcements, it soon became apparent that it brought [[Flood]] instead.
! Branch
! Rank
! Name
! Status<!--This refers to their status after the battle, not their overall status-->
|-
|[[High Council]]
|[[Hierarchs|Hierach]]
|[[Prophet of Truth]]
|Survived
|}


===Units===
===The Floodgate opens===
====Naval forces====
[[Image:Voi 7.jpg|thumb|right|The infected battlecruiser slips in.]]
*[[Truth's fleet]]
The victorious [[UNSC]] forces were now encountering unknown hostiles all over the Town and the splintered and weary forces were no match. The Flood had found their way to [[Earth]] and begun to infect and spread. [[Commander Keyes]] gave a single order, fight to the core of the ship and overload its reactors, destroying the ship and the town and any Flood along with it. Master Chief and the Arbiter headed back into the Town to outside the warehouse facility to see the true face of their enemy. A pair of retreating marine fire teams were ambushed by [[Combat Form]]s and [[Infection Form]]s, leaving their infection as inevitable. [[Spartan-117]], [[the Arbiter]] and the survivors had to inevitably turn their guns on their former comrades. After pressing through the warehouse officers and then the warehouse they linked up with more survivors and pressed on. The route to the command center had been closed off so now they had to find another way around. Using [[Fusion Cores]] as improvised explosives and a [[M7057 Defoliant Projector]] as an ad hoc anti Flood weapon, they circumnavigated the bulkhead and entered the unusually empty command center. With a [[Suicidal_Marine|single, delirious survivor]], the UNSC forces continued to push to the downed ship to meet their [[Elites|new allies]].


{{col-end}}
===The Fleet of Retribution===
The Sangheili Fleet, the [[Fleet of Retribution]], had followed the [[Flood]] infected ship from their blockade at [[Delta Halo]] to its arrival at [[Earth]]. They began to drop [[Elite]] forces to push towards the ship, seeking a prize that lay within it. It wasn't until they came back into the Traxus Facility that the Elites told the [[UNSC]] that they believed that [[Cortana]], the [[AI]] formerly attached to the [[Spartan-II]]s, the ''[[UNSC Pillar of Autumn|Pillar of Autumn]]'' and companion of Master Chief, was within the downed ship. The joint UNSC/Elite forces pressed on, still giving their all to reach the crash site. They eventually broke through, fighting past Flood [[Pure Form]]s. With the remaining forces giving cover to the Chief, he entered its Flood-formed carcass and retrieved Cortana. After the ground forces were evacuated safely the Elites began to [[glass]] the immediate area, removing any chance of further Flood infection, effectively ending the Battle of Voi.


==List of appearances==
==Gallery==
*''[[Halo: First Strike]]''
<gallery>
**''[[Petra]]'' {{Mo}}
File:Voi 3.jpg|The first objective in sight.
*''[[Halo 3]]'' {{1st}}
File:Voi 2.jpg|[[Master Chief]] and his backup fight through the Traxus facility.
*''[[Halo Legends]]''
File:Voi 6.jpg|One of the AA Wraiths is destroyed by Marine forces.
**''[[Origins]]''
</gallery>
*''[[Halo: Spartan Assault]]'' {{Mo}}
*''[[Halo: Mortal Dictata]]'' {{Im}}
*''[[Halo Mythos]]''
*''[[Halo Infinite: Memory Agent]]''


==Notes==
==Related Articles==
{{Ref/Notes}}
*''[[Halo 3]]''
*[[Voi]]
*[[Africa]]
*[[Battle of Earth]]


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


{{Engagements in the Battle for Earth}}
{{Human-Covenant War}}
[[Category:Flood outbreaks]]
[[Category:Battles of the Human-Covenant War|Voi]]
[[Category:UNSC Victories]]
[[Category:Battle|Voi]]

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