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of the greater Ark was the penultimate battle in the Forerunner-Flood war, fought around the greater Ark. The greater Ark, the original Ark installation

installation was Faber. Whereas the greater Ark acted as the Forerunners' final line of defense and command center, the lesser Ark would serve the function of a last

deploy on the Ark. The vast desert on the Ark. John-117 and two ODSTs moving towards a Covenant encampment. ODSTs fighting on the surface of the Ark. The Arbiter

and High Charity's defenses.[citation needed] During 2552, the Second Fleet of Homogeneous Clarity served within the High Charity defense fleet. This section

went to the Ark with the Enduring Conviction. [...] some of those ships are out at other installations that are near the Ark. So there's the Ark, and there's

construction of the Ark or for potential replacement Halo installations. Foundries have been an integral component of both the greater Ark and Lesser Ark installations

The Ark research outpost was one of the few UNSC research bases built on the Ark after Operation: FAR STORM in 2555. The team arrived at the Ark in 2557

The Spawner is a Flood form, created specifically to fight Banished and Ark defenses in 2559. This section needs expansion. You can help Halopedia by expanding

N/A Supply Cost: 300 Power Cost: 200 Cooldown: 150 seconds Ark Defense II: Increases Ark Defense duration and area. Adds two more Aggressor Sentinels to the

to repair the Ark, opening slipspace portals to strip-mine uninhabited planets for the resources and minerals required to repair the Ark. In 2557, a human

research facilities on the Ark. The UNSC's research team was able to repair the Ark from the damage done in the battle by directing the Ark's Retriever Sentinels

were then set loose upon the Ark. With the Sentinel defense network down, the Flood were left unhindered by the Ark's defense systems. Pavium quickly assembled

global defense network. The local defense network only controls sentinels surrounding terminals, while the global defense network controls defenses on a

is around. In Skirmish, Professor Anders can utilize her leader power Ark Defense and Sentinel Beacon to spawn the Aggressors Sentinel to draw the anti-air's

ruthlessly exploited the Ark for new resources and knowledge, especially the energetic meta-materials pumped throughout the Ark in great rivers to keep

greater Ark, including the Ur-Didact, who had been recovered from deep within the Burn by the Master Builder. Soon after their arrival, the Ark came under

Warlord within the Banished who fought against the Flood during the Second Ark Conflict. Both Pavium and Voridus joined the Banished in the post-Covenant

Installation 00, also known as the Ark. The firing mechanisms of these cannons were embedded in the surface of the Ark and fired a blue particle beam upwards

Guardian Forest was to follow on from the level The Ark. As such, the original outlines for the Ark depict a slightly different ending to the one featured

UNSC fleet, including many smaller remaining fleets, and defense forces despite having strong defense was completely obliterated by the overwhelming Covenant

surface of the Ark, relatively near to the crash site of High Charity. The installation is connected to the defensive network of Sentinels on the Ark. Main article:

launcher, however, is linked to Sentinel Defense Network on Installation 00. When Voridus disabled the Defense Network, the Sentinels cannot launch from

Array from the Ark, and Bobby Kodiak was forced by 000 Tragic Solitude, the Monitor of the Ark, to activate the Halo Array from the Ark as a revenge. None

the UNSC Rubicon. When the Rubicon, piloted by 343 Guilty Spark left the Ark, Curator was left behind unable to send out a message due to its one-way datalinks

During the Second Ark Conflict in April 2559, the Swarmlord Colony was tasked by Atriox with uncovering new technologies from the Ark with which to fight

carriers are vital components in the defense of colony worlds. Main article: UNSC Air Force "Provide aerospace defense and conduct space control operations

Shortly thereafter, Offensive Bias apparently took command of the defense of the greater Ark, the last large refuge of the Forerunners and many of their client

reinforcements should be sent through to the Ark to investigate the source of the attack. A fleet of ships soon arrived at the Ark. The UNSC Witness soon located the

went to the Ark with the Enduring Conviction. [...] some of those ships are out at other installations that are near the Ark. So there's the Ark, and there's

the greater Ark. Because of continued use, stress on the portal caused it to collapse, resulting in only one Halo making the journey to the Ark without breaking

Forerunner structure where he managed to reactivate the Sentinel defense network. With the Ark's defenses back online, the Long Shields attacked a massive Proto-Gravemind

formidable foe to anything they recognize as a threat to the Ark. The Foundry at the center of the Ark is populated by Retriever and Assembler Sentinels, who

reaching the lesser Ark in order to stop the IsoDidact from firing the Halo Array and thus shattering the Forerunners' last hope of defense. To delay Mendicant

Forerunner defense station. The destruction of the Flood growth allowed his brother Voridus to enter the facility and reactivate the Forerunner defense network

over the Ark." "Lights Out" - "Jerome must destroy The Banished's portal network controls and cripple Atriox's transport capabilities across the Ark." "From

Closeup of the Halo. Concept art of the Halo over the Ark. Early concept art of the control room, with the Ark in the background. Finalized concept art of the

patrolling throughout UNSC space. System defense fleets, such as the UNSC Home Fleet, the Epsilon Eridani Fleet or Bliss Defense Fleet, are commonly formed to patrol

the Dreadnought entered it and landed on the Ark. It did not take part in the battle, instead flying to the Ark of its own accord. Truth was untroubled by

evolution from the larger Protectors found on the Ark to the smaller Protectors found on Trove. During the Second Ark Conflict, Ellen Anders was able to use her

access to his shipyards and land. Main article: Second Ark Conflict "In the shadows of the Ark lurked a banished legacy of the shattered Covenant: a new

occupation of Installation 00. The HRUNTING/YGGDRASIL Mark II [J] Armor Defense System, colloquially known as the Colossus, is a powered exoskeleton used

Milky Way for eventual reseeding, a flexible environmental system on the Ark was essential. Working similarly to the output nodes of mass-particle replicators

spread across the Ark. However, this threat was ultimately contained thanks to Pavium and Voridus' timely reactivation of the Ark's defense grid, with Sentinels

escaped to the greater Ark with the Master Juridical. There, they agreed to restore the Master Builder in command of Forerunner defense, as his Halos provided

greater Ark. Once there, he remained aboard the Mantle's Approach in orbit over the Ark, where he was briefly visited by the Librarian. When the Ark fell

formidable and fierce defense and Hood's brilliant leadership, especially thanks to multiple defending "Super" MAC-equipped orbital defense platforms, throughout

to the UNSC, who assumed that the excavated complex was itself the Ark, the real Ark, Installation 00, lay beyond the portal. The Flood arrived in Voi shortly

duration, much like Anders' Ark Defense Leader Power. Lure the Abomination to the front of the platform, then activate the defense terminal. This should help

didn't heed Atriox's warnings. Instead, Voridus deactivated the Ark's Sentinel defense network using a terminal near High Charity and burned a hole in

the Mega Turret as a straightforward anti-siege weapon at war camps on the Ark which have the necessary infrastructure and permanence to support their use

imminent Flood attack on the greater Ark. The commanders conferred in a circle within an enormous hologram of the Ark while updates on the installation's

and Mantle's Approach leave towards the greater Ark, now the last bastion of the ecumene. On the greater Ark, Omega Halo is there in anticipation for a Flood

rushed to Earth's defense as a Guardian appeared above Earth, with the Home Fleet and the orbital defense grid scrambling their defenses in the wake of this

Covenant and their hovering cruiser, Team Beta, tasked with defense of the orbital defense generators, Team Gamma, ordered to retrieve Vice Admiral Whitcomb

composed of ships under Sangheili command that broke off from the High Charity defense fleet, including the Second Fleet of Homogeneous Clarity, when the Great

"Where should I cast my cloak?" — A Shroud pilot during the Second Ark Conflict. The Klavbrig Workshop Deceiver, colloquially known as the Shroud, is an

went to the Ark with the Enduring Conviction. [...] some of those ships are out at other installations that are near the Ark. So there's the Ark, and there's

Outbreak on Installation 00 was a large-scale outbreak of the Flood on the Ark in 2559. At the end of the Human-Covenant War, Covenant and Human forces clashed

and sped toward the greater Ark while the Ur-Didact followed on the Mantle's Approach. Main article: Battle of the greater Ark Forced to perform an emergency

agreed to follow Truth to the Ark beyond the portal. The joint Sangheili-UNSC fleet arrived at the Halo Array's control center, Ark Installation 00, on December

Jiralhanae clan leaders on the Ark. When Atriox's personal Lich, Pegoras, had returned through the portal back to the Ark, Let 'Volir engaged in transmission

planet Earth. After the Prophet of Regret discovered the location of the Ark Portal from a Forerunner Luminary unearthed in the aftermath of the Battle

complex Defense Operations, leading combined forces reconstituted from both Warrior-Servants and Builder Security. During the Battle of the greater Ark, remaining

The Controller Sentinel is a Forerunner Sentinel designed for the defense of valuable technology on Forerunner installations. Similar to the roles of the

reconfigured, and after gathering the necessary materials, formed a portal to the Ark. Circa 97,445 BCE, humans were returned to Earth and watched as the Portal

the materials needed to repair the Ark. In response, a joint UNSC-Swords of Sanghelios operation was launched to the Ark to stop the firing sequence. After

integrated energy shielding and warship-grade directed-energy projectors for defense. Assembler Sentinels are predominantly designed and employed for the construction

Regret's forces tried to hold onto and capture the city from the UNSC Defense Force, but failed. Then, his flagship, Solemn Penance, jumped into Slipspace

were then set loose upon the Ark. With the Sentinel defense network down, the Flood were left unhindered by the Ark's defense systems. Pavium quickly assembled

wiping out all sentient life that was not safely outside its range at the Ark. The effects of the firing had lasting effects on the galaxy for the next

discovered the presence of a gateway portal to the Ark on the planet of "Erde-Tyrene". From the Ark, he would be able to activate the Halo Array and commence

the Ark. Awakened from cryo-sleep, Alice, as part of Red Team, was tasked with investigating a UNSC distress signal coming from surface of the Ark. There

Spirit of Fire's Slipspace drive. They awoke twenty-eight years later at the Ark, and went on to participate in several operations against the Banished on

preventing Drifts from stopping them. Solitude was unable to retake control of the Ark on his own and attempted to negotiate having Drifts restore control to him

Control Room and left the Ark with the Halo which was intercepted in slipspace by one of the Created's Guardians. On the Ark, both Cutter and Atriox began

days" had passed from the events of the Ark. Later fiction, however, establishes that the survivors from the Ark returned in December 2552, meaning that

science—the strain caused by this jump caused High Charity to crash into the Ark. At the Ark, the Gravemind led a massive Flood attack on both the Covenant and the

network around the Ark. Anders: "The Ark's portal network. Captain, Atriox has been using the Cartographer to map and take over The Ark's portal network

UNSC Rubicon to investigate the Ark, following a failed attempt to deploy automated probes to the installation. At the Ark, the Rubicon deployed a number

it back into design seed form. Thousands of years later during the Second Ark Conflict in 2559, the Huragok Floats Low But Steady and its Sangheili handler

Banished Scarab commander during the Second Ark Conflict. Many of these Scarabs were deployed by the Banished onto the Ark during the mercenary group's arrival

destroyed our Keyships. A security measure. Without them I cannot reach the Ark. But neither then can the thing." — The Librarian to the Didact. Keyship is

adding up to a total of 480 missiles. 4-12 Point-defense guns function as the last line of defense against single ships and incoming missiles. They are

who defied the Covenant itself!" Cutter: "Here's your notice, Atriox. The Ark is our home now and it's under our protection. Cut it, Isabel. I've heard

toward the destruction of the Forerunner race. He infiltrated the Capital's defense systems, deactivated all present ancillas and security constructs, and held

cleansed if the installation's monitor was still active, but the Ark's fallback defense protocols can only contain the Flood inside High Charity with armored

weapons experts and are designated for combat support, ground assault, defense, recon, boarding, and as well the use of heavy weapons, turrets, and some

where the rings were created: the Ark, along with the location of a device which would generate a slipspace portal to the Ark, where the Covenant believed they

from slipspace and crashes on the Ark. Debris spread from the city-ship helps spread a new Flood infestation on the Ark. The Sangheili and UNSC finish off

Set up a small defense force to move between the two towers. The Kodiaks would do enough damage to the Banished units and your defense force can finish

a temporary path past the star roads laying siege on the greater Ark. The greater Ark and Omega Halo are destroyed by star roads; Faber and most high-ranking

to find and uncover the entrance to the Ark. Instead, they emerged from slipstream space into the heavy defenses of the UNSC Home Fleet, defending humanity's

installation known as the greater Ark, the original Ark used to manufacture the first Halo rings. Aware that the Ark would not stay safe from the Flood

UNSC. Concept art of Munera Platform A7 Orbital defense platform - A series of UNSC planetary defense stations. Cairo Station, a Moncton-class orbital

surface of the Ark following the victory in orbit. The ship then took part in a diversionary bombardment of the shield protecting the Ark's Citadel, the

Installation 00: the Ark, a center from which all the Halo installations could be simultaneously and remotely fired. Sensing that the Ark was the greater threat

the last Covenant forces on the Ark, culminating in the assassination of the Prophet of Truth. The Flood also attack the Ark via the infested High Charity

Among those roles, Longswords most often operate as fleet defense fighters, orbital defense and deep space interceptors, or as strike fighters, among other

greater Ark along with the remaining Forerunner population. While small pockets of survivors still existed throughout the ecumene, the greater Ark was now

After landing on the Ark, 343 Guilty Spark helps lead the Master Chief and UNSC forces to the Ark's Cartographer, the map room of the Ark, to locate the Control

temple on the ring. After eliminating the Hierarch, High Charity and its defense fleet—having been contacted earlier by Regret who sought assistance—arrived

tries to disable the Sentinel defense network. Voridus: "Protect the Scarab while I try and deactivate the Sentinel defenses!" Voridus starts working on

attempted to gain access to the Ark's systems during the battle, Tragic Solitude addressed the former's lack of authority on the Ark and informed Guilty Spark

UNSC sent a fleet to the Ark to investigate and the Mayhem was rescued by the UNSC Witness. Plans were made to repair the Ark using the Retriever Sentinels

update on the Ark." The Banshees are returning to the carrier Enduring Conviction while the crew assess the damage. Bridge Crew #4: "Port defenses is down!"

mobile weapons platform. The tank was originally manufactured by Chalybs Defense Solutions, until Acheron Security took claim following the Human-Covenant

a portal to an installation known as "the Ark". Though hopelessly outgunned by the UNSC's new orbital defense grid of MAC guns, the Prophet of Regret's

more active role in the defense of UNSC space-leading the UNSC Navy in the Battle of Sigma Octanus IV and directing the Defense of Reach during its final

eventually to be evacuated to the greater Ark, the Forerunners concentrated their last battle fleets to the defense of a region of space consisting of four

the portal, and arrived at Installation 00 - the real Ark. Largely unaware of the details of the Ark due to the compartmentalization protocols limiting his

corridor past the star roads surrounding the Ark. Without ceremony, he handed the coordinates of the secret lesser Ark, Installation 00, to the IsoDidact, who

Condor dropship employed by the stranded UNSC Spirit of Fire during the Second Ark Conflict. It was created by Isabel. The AC-220 Vulture is currently the heaviest

Mendicant Bias Return from Exile Fate of Maethrillian Destruction of the Ark Activation of the Array The Dreadnought War of Beginnings Formation of the

Installation 00—the real Ark—on December 11, Truth set down on the massive construct in his Dreadnought, eventually traveling to the Ark's Citadel from where

airports: 1,246 Defense budget: cR. 38,287,000,000 [as of 2548] Following the fall of the planet and the initial resettlement, defense of some parts of

Anodyne Spirit was an operation conducted by the Banished during the Second Ark Conflict in 2559. Their objective was to infiltrate the Anodyne Spirit and

the level "Earth Ark," the Master Chief would have had to face down two Protos-pattern Scarabs outside the "Ark" on Earth. When Earth Ark was cut, two Scarabs

Covenant boarding parties, at one point observing that the nearby orbital defense platform Malta Station had almost instantly repulsed it's attackers. Dubbo's

flourish on the Ark, Installation 00, far beyond the Milky Way galaxy. In December of 2552 an unfinished Halo ring was fired above the Ark, spelling death

Installation 07 from Mendicant Bias. At least 11 were used in the defense of the greater Ark in the final days of the war, and several were commanded by Offensive

focused on the development of armor defense systems amid a number of false starts and nonviable prototypes. The Armor Defense System (ADS) prototypes enjoyed

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

UNSC Navy to rapidly deliver forces. Marines are also charged with the defense of Navy vessels and installations from hostile forces. While structured

war up until its end, with at least a dozen Baselards taking part in the defense of Concord in 2551. During the battle, the craft were used to bait Covenant

such as wind and solar power, instead of harvesting power directly from the Ark. Each firebase has an integral power plant to meet immediate needs, but additional

unsuccessful. Armigers remained a threat on the Ark through into 2559, during which time they partook in the Second Ark Conflict as combatants to defend the installation

resulting in Installation 00 (the Ark) to begin finalising the construction of a replacement ring for Alpha Halo. The Ark is designed to keep a Halo installation

Ships of this class are used primarily in fleet escort duties, planetary defense, and the landing & deployment of mobile troops. At 490 meters in length

deployed Goliaths against the crew of the UNSC Spirit of Fire during the Second Ark Conflict in 2559 as a super-heavy infantry unit to protect areas Colony found

other choice, Jerome was forced to jump from the ship to the surface of the Ark. In October 2559, after Atriox's arrival on Reach, Castor directed him down

against enemy positions, they strive to be unobserved, and have only self-defense, not direct action, capability. Groups engaging in surveillance deep behind

the Banished had largely taken over the Ark's network of portals and had been using them to move about the Ark with ease. Cutter pressed her for more information

permitted to purchase Gauss Warthogs - among other milspec equipment - for defense against dangerous megafauna on alien worlds. However, these vehicles often

Halo Array from Installation 00, as well as to provide maintenance to the Ark itself. A Retriever variant. Main article: Steward Sentinel The Steward Sentinel

It was primarily used by Army assault teams and preferred in planetary defense. It saw use during the Battle of Alpha Corvi II, and was the predominant

SPARTAN-IIs were deployed onto Reach to help defend the planet's orbital defense generators from assault to give the UNSC Navy a fighting chance in the concurrent

Fifty Gon-pattern pulse laser turrets are equipped on the ship for point-defense. Buried deep within the vessel's heart is the control center, also known

wished Vimo good hunting and promised to tell him his tales of survival on the Ark once their conflict on the Ring was done. Halo Wars 2 (First appearance) Halo:

The HRUNTING/YGGDRASIL Mark I [J] Armor Defense System, nicknamed the Green Machine, is a variant of the HRUNTING/YGGDRASIL Mark I ADS. Main article: HRUNTING/YGGDRASIL

and could only be activated remotely from what Spark informed them was "The Ark". After the Arbiter asked him its location, Spark gave them coordinates to

Installation 05, along with the hundreds of warships of the High Charity defense fleet and the Second Fleet of Homogeneous Clarity. Responding to a distress

fleet through the portal to the Ark, intent on stopping Truth from activating the Halo Array. Upon arrival at the Ark, Truth barricaded himself inside

Fate, traveled with the Sangheili Fleet of Retribution to the Forerunner Ark installation, leading to the destruction of the Covenant and the end of the

discerned by the crew of the Spirit of Fire in 2559 from UNSC records on the Ark, consisted of Leon, Robert, and August, armed with an energy sword, a portable

Portal to the Ark. The Librarian remotely destroyed the remaining Keyships under her control to prevent the Flood from reaching the Ark. During her final

Confidence turrets) are a kind of Forerunner weapon system utilised for the defense of the Halo Array. Confidence turrets are built into the exterior hull of

officers leave on a tram. Cairo Defense Coordinator (Loudspeaker): "All hands report to battle stations." Cairo Defense Coordinator (Loudspeaker): "This

become known as the real Ark, Installation 00. The final stand he had expected never came, as High Charity jumped directly toward the Ark from the vicinity of

proceeded if the global Sentinel Defense Network is disabled. When Voridus disabled Installation 00's Sentinel Defense Network, the Sentinels were unable

clan under the flag of the Banished during their search for a portal to the Ark buried on Reach. With his clan having been organized into a legion under the

Forerunners during the Battle of the greater Ark, using the filaments to form a large "wall" around the Ark before slicing the structure apart along with

an inscription commemorating the dead: IN MEMORY OF THOSE FALLEN IN THE DEFENSE OF EARTH AND HER COLONIES MARCH 3, 2553 Lord Hood and the Arbiter stare

intention to use its forges to build Halo rings. After months of occupying the Ark, the Banished were confronted by the UNSC Spirit of Fire and a battle for

greatly depending on their location. The Ark's Sentinel factories are linked to the installation's Sentinel defense network. When war-chief Voridus of the

Covenant at New Mombasa were searching for the "Ark", or as revealed upon its activation, the Portal to the Ark. A transcript of the interrogation of Vergil

service with the United Nations Space Command. It was developed by Chalybs Defense Solutions, the manufacturer of the older and more common M808 Scorpion.

approaches the Ark's control panel, ready to deactivate it. Prophet of Truth: (realizing what he's about to do) "NO!" The Chief deactivates the Ark. The holographic

anti-infantry work. It also features at least two manually-operated point-defense plasma turrets. With their high rate of fire, they are used for destroying

during the latter part of The Ark, where engagements with enemies take place across wide open areas In Halo 3 on the level The Ark, Phantoms can be brought

later decommissioned. While the Supernal Spiral-class keyship's primary defense is its speed and agility, they are fitted with an extensive suite of defensive

gravity lift inside can trap the player. However, this can also be used as a defense. The gravity lift can be destroyed by conventional weaponry and will self-destruct

forces, effectively wiping out Hekabe's bloodline. Foebane then fled the Ark after Hekabe took his remaining forces into the depths of the installation

Freedom, who attempted to steal Pegoras to make their own journey to the Ark. Upon declaring their open intent to steal the Lich, Atriox ordered the Exodus

Installation 00 The joint UNSC and Sangheili forces were deployed to the Ark after discovering the portal. This section needs expansion. You can help Halopedia

UNSC-Sangheili task force departed from the Ark. John-117 and Arbiter Thel 'Vadam on the Ark. Warthogs on the Ark. John-117 and his team race through the canyon

and Halo Online, known as Riverworld in the latter. The map is set on the Ark. Structurally, it is reminiscent of Blood Gulch from Halo: Combat Evolved

particular recognizing the threat posed by the controls to reactivate the Ark's Sentinel defense network. This Proto-Gravemind retained a measure of the deceased

millennia later. There, she oversaw the creation and subsequent burying of the Ark Portal structure, which would be hidden for thousands of years to come, and

reliant. In addition, Forerunner weapons and countermeasures provided little defense against the powerful suppression fields generated by Precursor star roads

squad of Marines to fight past the Covenant defense and clear a path to Voi. Another was utilized on the Ark, allowing John-117 and a group of Marines to

the Master Chief that the installation was indeed the Ark. Spark was surprised to learn that the Ark was not a shield world as he had expected, explaining

by the forces of UNSC Spirit of Fire in the Second Ark Conflict in 2559. During the war on the Ark, multiple Colossi sporting Mark 2555 HRGs were used

human/Elite force arrives at the Ark, and engage Truth's Brute fleet. Master Chief makes landfall and finds the Cartographer of the Ark, which leads him to the

2552, troopers of the 7th Battalion were deployed to the surface of the Ark to destroy an array of Covenant anti-aircraft artillery platforms that were

Sentinel often utilized used as combat carapaces by adjutant sub-monitors in defense of their assigned Forerunner installations. Manufactured within Ferrarius

impregnable defense. However, it did not have a lasting impact on Forerunner strategy in the long term, and the Line continued to be employed as a defense in many

Eradication’s area of effect is much larger. Anders Multiple waves of ark defense now spawn instead of only having 1. Cutter Close air support now spawns

robotic keepers, the Flood were released when the Arbiter penetrated the defenses and deactivated the containment shield around the wall. A section of the

cannon's ark ability to bombard the enemy with fuel rod blasts. If you are in the Red Team, there is a large hill with some rocks for defense behind the

ability. T1 Ark Defense Sentinel’s Health and DPS increase by 10% T2 Ark Defense Sentinel’s Health and DPS increase by 10% T3 Ark Defense Sentinel’s Health

through a slipspace portal in an escape pod. The portal takes them to the Ark, the place of construction for the Halo rings and the Librarian's base of

housed multiple slipspace portals that linked to many worlds, as well as the Ark. During the Forerunner-Flood war, Maethrillian became the site of an enormous

power wanted to see humanity wiped out, the Librarian spoke out in their defense, viewing them as special and potentially worthy of inheriting the Forerunners'

Closeup of the Halo. Concept art of the Halo over the Ark. Early concept art of the control room, with the Ark in the background. Finalized concept art of the

Banished contingent brought to the Ark in late 2558, alongside others in the Long Shields. He would take part in the Second Ark Conflict, where he would be ultimately

Banished contingent brought to the Ark in late 2558, alongside others in the Long Shields. He would take part in the Second Ark Conflict, where he would be ultimately

Banished contingent brought to the Ark in late 2558, alongside others in the Long Shields. He would take part in the Second Ark Conflict, where he would be ultimately

the creation of several exoskeletons and armor defense systems beginning with the Mark I Armor Defense System. The Cyclops is a very large platform, standing

in the final battle of the Human-Covenant War in 2552. During the Second Ark Conflict of 2559, the Banished sought to establish a salvage outpost at the

is a heavy Forerunner directed energy particle cannon used for anti-air defense. Z-8060 particle cannons are enormous floating weapons platforms. They are

Nightmare is set on the Ark, though this time set around the remains of the Covenant city High Charity, which crash-landed on the Ark in Halo 3. Due to the

Forerunner portal rumored to be hidden on Reach so that he could leave the Ark and return to the galaxy, the Ravaged Tusks were sent to the human colony

stages of the Forerunner-Flood war, when they acted as the final line of defense for the Forerunners. Line Installation 1-4 possessed a powerful energy weapon

areas. It also appears on the Ark's surface, if viewed from space. It also makes an appearance in the Terminals throughout the Ark. The symbol also appears

out of the area to begin its excavation effort for the supposed Forerunner Ark. Realizing that they were at a tactical disadvantage, all Covenant forces

‘The Best Offense’ passive power would render Scorpions unresponsive Ark Defense spawns the correct number of Sentinels in Blitz, for all interactions

would later reveal the locations of the Halo rings, the Ark, and a slipspace portal to the Ark found on Earth. While the glassing resulted in the evaporation

battlefield by D81-LRT Condor dropships, and were used notably in the Second Ark Conflict. The modules then unpack and can assemble basic structures and UNSC

Array, Installation 07 was manufactured at the greater Ark instead of Installation 00 or the "lesser Ark". As a result, it was originally three times the size

tactical director and surveillance controller. The bridge of the Cairo orbital defense platform dwarfs the other two encountered. Its ceiling is covered by large

all, some have beams of energy supporting them, such as the lifts on the Ark. All Forerunner elevators encountered by John-117 on Installation 04 had no

while the Ark is 218 ly from it (262,096 ly). If the Earth was at its nearest to the Ark (that is, 28,000ly away from the centre and on the Ark's side of

terminal. Close-up of an Ark Terminal. Another Terminal on the Ark in Halo 3. John-117 encountering a terminal aboard the Ark. Text on an Ark Terminal. A closed

during the Battle of Voi. Stacker, taking his first steps on the Ark. Stacker on the Ark. Stacker as he appears in Halo Reach's Armory. Sergeant Stacker's

Optics Watchtower Protector Sentinel Restoration Drone Armored Marines Ark Defense Douglas-042 This is all of Decimus' cards. Bloodfuel Grunts Blast Hammer

reactivate the Portal in Voi to send a joint Human-Sangheili expedition to the Ark in order to stop the activation of the array. On March 3, 2558, Captain Thomas

was located within the Ark, a plan was developed to activate that ring and that ring alone, which would destroy the Flood on the Ark, including the Gravemind

sending a vehicle after me? Suckers." — A Cyclops pilot during the Second Ark Conflict. The HRUNTING Mark III [S] Exoskeleton is a variant in the long-running

"Death from above!" — Jiralhanae Jumpers during the Second Ark Conflict. Jiralhanae Jumpers, also known as Jump-Pack Jiralhanae, were a specialist rank

there.." Anders manipulates the holo-display to survey a specific area of the Ark. Anders: "...must have opened the portal from this end and pulled us in."

Together they destroyed the Covenant led by the High Prophet of Truth on the Ark and brought an end to the war. Main article: Fleet of Righteous Vigilance

dashed towards what was believed to be the Ark. Instead, the artifact opened a slipspace portal to the Ark. With Marine support, John and Thel 'Vadam destroyed

Nations Space Command, primarily utilized by the UNSC Army and colonial defense forces. The Mastodon is heavily-armoured and considered the cutting edge

ability of the Halcyon-class light cruiser Pillar of Autumn, the orbital defense platform Cairo Station and the Stalwart-class light frigate In Amber Clad

loudspeakers. By the time John-117 arrived at High Charity, the High Charity defense fleet was in chaos. Sangheili and Jiralhanae-controlled ships engaged one

its objective to punch through the Covenant anti-aircraft defenses that surround the supposed Ark and allow Lord Hood's small fleet to launch a direct strike

Kig-Yar can attain. They are armed with standard-strength, light-blue point defense gauntlets and small arms such as the plasma pistol or Needler. After gaining

the IsoDidact and the Librarian departed toward the greater Ark, now the last remaining defense of the ecumene, the Ur-Didact followed in his personal flagship

including the splintered High Charity defense fleet, which routed the UNSC Home Fleet and the orbital defense grid in orbit upon Truth's arrival on the

Hekabe led his warriors of the Voice of Maardoth deep into the bowels of the Ark, recovering the vertex. He then spent six years decoding the Forerunner text

Guardianship] has stripped those we would keep safe of any capacity for self-defense! Were we such noble [Guardians] when we drew our line and abandoned billions

Defense emplacements. Automated weapon towers are installed around UNSC firebases to deter attack. Most firebase facilities have power and control hookups

Ushuaia Armory. It is employed by the United Nations Space Command for air-defense and as makeshift, close-ranged missile artillery against static targets

the Ark. Awakened from cryo-sleep, the members of Red Team, in an attempt to establish contact with the UNSC, encountered on the surface of the Ark a hostile

who reunites with the UNSC for the first time in years and assists in the defense of the stranded Infinity, eventually driving back the Didact and 'Mdama's

Materials Group forms the Damascus Ordnance Commission, headed by major defense companies and sponsored by ONI. The commission places several conditions

warheads that act as Sentinel lures, attracting and antagonizing the Ark's defense constructs. A modern UNSC vehicle introduced to the Spirit of Fire by

the Ark, where he successfully destroys the Installation and prevents the rings from being used. When SPARTAN-117 attempts to escape from the Ark aboard

Battle of the 78th Thema The Falchion was one of the commanders who led the defense of the Orion complex during the Forerunner-Flood war. In the endgame of

Decimus, Decimus mainly used this exosuit against the UNSC during the Second Ark Conflict. Decimus has a beard on his face while the unit lacks it. In Halo

whoaaaaaaaa...." Jerome dives back to the Ark's while avoiding the debris of Enduring Conviction. Fade to black. On the Ark, Atriox and Shipmaster Let 'Volir look

the Chieftain of the Jiralhanae. The story then turns to Earth's Orbital Defense Platform Cairo Station, where Master Chief Petty Officer John-117 receives

were assigned sequentially. In the final iteration of the Forerunners' defense plan, the shield worlds were collectively known as "Shields" while the Halos

Mantises modified by Isabel for use by UNSC Spirit of Fire forces in the Second Ark Conflict saw the M655's lower housing removed and replaced with a large drum

Capture the Flag game suitable is One Flag CTF Fast. In this game the team on defense defends the flag that is found in the small section behind the center room

ship's SPARTAN-II complement was deployed groundside to defend the orbital defense generators, with Spartans John-117, Linda-058 and James-005 deployed to

referred to as the Orion complex Defense Operations, was a Forerunner organization in command of the ecumene's defense during the Forerunner-Flood war.

heavy damage. M650 Mastodons are widely used by the UNSC Army and colonial defense forces. Their large troop compartments enable them to carry heavy infantry

Flood from the galaxy. They constructed the seven Halo rings and used The Ark to send the rings to different parts in the galaxy. The seven rings would

complement of Archer missiles and other unguided munitions during the Second Ark Conflict. In Halo Wars, the player can call in a Shortsword bomber from the UNSC

having made it the Ark in October 2559, came to believe that the only way to fight Cortana was by firing the Halo Array and using the Ark's genetic reserves

at various stages of development to appear in some form in the levels The Ark, Guardian Forest, Alpine, Forerunner City, and Halo. According to Art of Halo

coming to favour the Kodiak's firepower. Kodiaks would see action on the Ark during the conflict between the Spirit of Fire and the Banished. G271: This

Marine from Palace Hotel, see Palmer (Marine). For the archaeologist on the Ark, see Nathaniel Palmer. "The Covies - They believe this is the home of one

bias, Mendicant begins to power up the Dreadnought to take the humans to the Ark, an act which will destroy the Covenant holy city. However, the ancilla is

temporarily. Now, the Prophet of Truth is looking for something called 'The Ark', where he'll be able to fire all the Halo Rings. If he succeeds, Humanity

deploying their ground forces to the city, in search of a Forerunner relic, the Ark Portal, buried under the city. However, due to a strong UNSC counterattack

half a million years before the firing of the Halo Array as the ultimate defense for the inner systems of the ecumene. The Line installations, arranged in

encountered by the Forerunners during the construction of the portal to the Ark in eastern Africa. After the activation of the Halo Array, the human civilization

the attack on the UNSC Infinity's crash site. Several were later used in defense of the Forerunner particle cannons. Wraiths were also used during the Didact's