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Human-Covenant War

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Template:Infobox Military Conflicts The Human-Covenant War, also known as The Great War, was a major interstellar conflict between the United Nations Space Command and the Covenant during the mid-26th century.

The conflict was closely connected with, and the cause of, the Covenant Civil War; both of which proved instrumental in the final defeat of the Covenant and Flood on March 3, 2553.

Background

Humanity and the Covenant first came into direct contact in 2525, (twenty-seven years before the events of Halo: Combat Evolved), when the Covenant attacked the UNSC Outer Colony world Harvest. The Covenant had been covertly studying the human race for some time prior to that, as they had knowledge of the English language as well as the location of at least some human worlds. After several encounters (Including the Covenant's raiding of several UNSC supply ships and a minor skirmish between two marines and four Jackals), the UNSC and Covenant officially met on Harvest in a diplomatic meeting (although the Covenant was only interested in owning the planet due to the amount of Forerunner artifacts within it). The meeting was botched after Osmo, a member of the Colonial Militia, was attacked by a nervous Grunt and a firefight erupted.

The Prophets declared humanity to be an affront to their gods (supposedly because humans inhabited and 'defiled' areas which were once Forerunner), and called for a crusade against the Human species. An extended, though one-sided, ground battle took place on Harvest and the Covenant eventually used their capital ships' plasma weaponry to vaporize the surface of the planet, turning the crust into molten glass, a process which would become known as "glassing."

From that point on, the Covenant continued to attack and destroy the humans wherever they were found. Though the UNSC forces fought bravely, their inferior technology and numbers meant that even a close victory was far from guaranteed. The Covenant also had an advantage in that they didn't need to fight planet-side to destroy the enemy; their ships simply needed to destroy the humans' space-borne defenses and any other threats planet-side, and then reduce the planet's surface to glass with orbital plasma bombardments. The few victories achieved by the UNSC were due to special tactical maneuvers, as human missile, and magnetic acceleration weapons were unable to compete with Covenant energy shields and plasma torpedoes. Over twenty-seven years, the Covenant whittled down the UNSC planet by planet. On Sigma Octanus IV, the Covenant were defeated but placed a Spy Probe on the UNSC Iroquois, which led the Covenant to the UNSC's stronghold and main headquarters, Reach. The battle that followed had staggering losses for both sides, but ended in a pyrrhic Covenant victory. The UNSC Pillar of Autumn was among the surviving UNSC ships which fled the battle, and made a blind jump to the Forerunner ringworld of Halo, chased by a dozen Covenant ships.

The Covenant's first truly costly defeat was on and around Halo. Here, the human survivors from the Halcyon-class cruiser, the Pillar of Autumn, managed to form an effective resistance. Unwilling to risk damaging the sacred ring, the Covenant was forced to fight the humans on Halo's surface rather than using its usual bombardment tactics. The Covenant found the Humans uncannily adapted to Halo's environment and very adept at fighting on the surface, with Human firearms and vehicles proving effective despite their technological inferiority. Unable to counter the guerilla tactics employed by the humans and the unexpected emergence of The Flood, the Covenant was soundly defeated in numerous raids, including one instance when the humans boarded their grounded cruiser, the Truth and Reconciliation, and successfully escaped with a group of captives, including the captain of the Pillar of Autumn, Captain Jacob Keyes. During the course of the battle, the human known as the Master Chief discovered the true nature of Halo and proceeded to destroy the ring and escape, much to the Covenant's horrified dismay.

According to the novel Halo: First Strike, shortly after the defeat at Halo, the Covenant had amassed a large fleet that appeared to be intended to assault Earth. It is explained in the audio drama, ilovebees, that the Covenant discovery of Earth was an accident after the Pious Flea had been intercepted by the UNSC stealth ship Apocalypso. After retrieving a Forerunner artifact, the Apocalypso made a Slipspace jump directly to Earth. When the ship tumbled into real space and crashed on the moon, the Pious Flea sent a message to the heart of the Covenant military, containing recon data, photos, starmaps, and the coordinates to the Forerunner Artifact, which is now on Earth. The events of Halo 2 apparently contradict the novel in explicitly stating that the Covenant had not identified Earth as the Human homeworld. However, the Unyielding Hierophant's fleet was never expressly identified to be intending to assault Earth; this is merely a reasonable assumption made by the human forces upon discovery of the fleet's destination of Sol. This leaves the exact nature of the fleet's mission uncertain, as there is no definitive proof that the Covenant were intending to attack a human homeworld. The surviving humans, however, believed this fleet to be a direct threat to Earth, and, using a captured Covenant flagship, lured the fleet into a trap and destroyed it.

A few weeks after this defeat, the High Prophet of Regret led a small fleet of fifteen ships to Earth, supposedly in order to locate a Forerunner artifact known as the "Ark." Though hopelessly outgunned by the UNSC's new orbital defense grid, the Prophet of Regret's flagship managed to break through the human defenses to New Mombasa. The Covenant ground troops quickly spread through the city, destroying both military and civilian resistance, but a counterattack by the Marines and the Master Chief drove them back. His fleet having been destroyed in orbit when he landed, Regret was forced to retreat. His carrier jumped into Slipspace from within the city, destroying it and clearing the area for a later Covenant excavation of the Ark.

Unfortunately for Regret, a single Human ship, the In Amber Clad, had followed them through their own Slipspace rupture to Delta Halo. With the orders "Find out why he came to Earth; why he came here," the Master Chief was hard-dropped with a compliment of Orbital Drop Shock Troopers to Delta Halo's surface. Led by the Chief, the Humans forced their way through Regret's forces until they had reached the Prophet himself. At that moment, High Charity, having learned of Delta Halo, arrived and launched multiple waves of Phantom dropships to aid Regret, but they were too late. The Chief assaulted and killed Regret, and the Covenant fleet recalled the Phantoms in favor of bombarding the area. It would seem they succeeded in "killing" Master Chief by burning away the building, as he came inches away from getting incinerated by the massive plasma beam glassing the area, plummeting down into the lake below.

Meanwhile, the majority of the human forces on In Amber Clad had travelled to Delta Halo's Library to obtain the Index, the key to firing Halo. Originally, the Covenant had been unaware of the Index's importance, but luckily for them, the Arbiter had obtained the Monitor of the first Halo while destroying a heretical sect. The Monitor, known to the Covenant as an Oracle, told the Prophets of the Index and the Arbiter was sent to retrieve it. The mission was complicated though by the unexpected release of the Flood. Despite this, the Arbiter successfully reached the Library and prevented the humans from claiming the Index. Just as Miranda Keyes claimed the index, the Arbiter stole it from her, kidnapping her and Sgt. Johnson. However, then Index was stolen from the Arbiter by the Brute Chieftain Tartarus, who under the Prophets' orders then attempted to kill the Arbiter. With the Index secure, the Prophets then ordered the Brutes to begin eradicating the Elites, thus starting the Covenant Civil War.

Following the Flood infestation of High Charity at the end of Halo 2, the High Prophet of Truth led the remaining loyalist fleet to Earth to complete what the previous mission to Earth had not. Little did he know that Spartan 117, Master Chief, had stowed away with him. By the time Truth arrived at Earth, a full-scale war in space and on the ground was underway between UNSC and Covenant fleets, and in Halo 3 it is indicated that the Covenant are in the process of conquering the planet and occupying the world.

Factions

United Earth Government

United Nations Space Command

Leaders: HIGHCOM

Homeworld: Earth (intact at the end of the war, with the exception of a large part of Africa which was glassed)

Military Forces: Exact numbers are unknown.

The Covenant

Leaders: The High Council

Homeworld: multiple worlds

Capital City: High Charity (destroyed by the Master Chief after being turned into a Flood Hive and crashing on the Ark)

Military Forces: Exact numbers are unknown.

Confirmed Casualties

The following is a short list of confirmed losses for both the Humans and the Covenant. These numbers are pulled from the battles that took place and are only an estimation; the true numbers while unknown, are probably a lot higher for both sides, especially for the Humans since we do not know if UNSC ships were present and were subsequently destroyed when the outer colony worlds were glassed.

Covenant

Ships: Over 1000

Military, Civilian, Etc.: At least a few billion

The Unyielding Hierophant

High Charity

Joyous Exultation

Malhiem

Human

Ships: Over 200.

Worlds glassed: A minimum of 210 worlds.

Military, Civilians, Etc.: Over 1,006 billion.

Timeline

2525

  • The Prophet of Truth discovers humanity's relation to the Forerunners, and instead of risking a bloody civil war that this knowledge could cause, he immediately demands the annihilation of all humanity.
  • The UNSC makes first contact with the Covenant at the UNSC colony world Harvest. The Covenant destroy the colony without warning or provocation.
  • The Battle of Chi Ceti takes place.

2530

2531

2535

  • The Covenant destroys the UNSC colony world of Jericho VII in the Battle of Jericho VII.
  • In the course of four short years, UNSC forces have been hammered, despite excellent leadership and tactical brilliance. It is simply a matter of being outgunned; Covenant kill ratios tend to top three to one in ship-to-ship combat. By 2535, virtually all of the Outer Colony worlds have been glassed by the Covenant.

2536

  • Covenant forces begin to swarm into the Inner Colonies. For several years the war falls into a pattern: humans win isolated battles, typically during ground operations, but at a horrible cost. In space combat, the humans are losing at a precipitous rate, and one by one, the colonies fall.

2537

2544

2545

2549

2552

July

August

  • Battle of Reach. In the largest naval battle yet in the war, 314 Covenant ships destroy 152 UNSC ships and 20 MAC gun platforms around Reach, and win a major victory, destroying a great UNSC military stronghold, although at a horrible cost to themselves; at least 2/3's of their fleet is destroyed.

September

  • The Battle of Installation 04. A single UNSC ship, the UNSC Pillar of Autumn escapes to Installation 04. After four days of hard fighting, the Covenant discover the Flood organism and Forerunner constructs, hampering their efforts to control the installation. The melee ends with Installation 04 destroyed with only a handful of survivors.
  • Operation: FIRST STRIKE. Six SPARTAN-II supersoldiers are able to rout and destroy a fleet of 500 Covenant starships preparing to jump to Earth. This is the single greatest victory for the humans during the entire war and the single greatest loss to the Covenant.

October

  • The First Battle of Earth. Though a relatively small and lopsided battle; 15 Covenant ships fighting 75 UNSC vessels and 300 MAC platforms, the event is significant in that the Covenant discover the location of Earth. The UNSC wins the fight.
  • The Battle of Installation 05. A single Covenant ship survives the battle of Earth and retreats to Installation 05. It is pursued by a single UNSC frigate, the UNSC In Amber Clad. Again, a massive fight ensues between the UNSC, Covenant, Flood, and Forerunner Constructs. The Flood appear to take control of the Installation. The Prophet of Regret is assassinated by Spartan-117.
  • The Civil War of the Covenant begins. Covenant forces are thoroughly divided between the Elites and the Brutes. Every race in the Covenant takes sides. The Prophet of Mercy is later killed by a Flood Infection Form. High Charity itself is eventually overrun by the Flood infestation.
  • The Second Battle of Earth. The Brute faction of the Covenant returns to Earth in force, apparently conquering Africa. Later, during the next months the Marines, with help of the Separatists, pushed back the loyalist invaders.

November

  • The Battle of Onyx. The destruction of Installation 04 triggered Onyx sentinels to appear. The Covenant followed their stolen destroyer called Bloodied Spirit, which a group of SPARTAN-IIs(Blue Team) were ordered to take to Onyx by Lord Hood in order to aid Dr. Halsey and the other Spartans. The battle ends with the destruction of all Covenant and UNSC vessels (with the exception of the UNSC Dusk).
  • Covenant Civil War - The battle continues.
  • The Second Battle of Earth - The battle continues.
  • Battle of Installation 00
  • All Loyalist vessels destroyed over the Ark by the Seperatist Fleet
  • The final Covenant religious leader, the Prophet of Truth, is executed by The Arbiter with help from the Flood. The Master Chief stops the Ark from firing the Halo Rings.
  • High Charity is destroyed by the Master Chief after he blasts the city's main reactors causing them to go critical.
  • The Second Battle of Installation 04. The Arbiter, Master Chief and Johnson battle to the control room that's on Installation 04 (II). Guilty Spark runs rampant, killing Johnson before being destroyed. Alpha Halo’s sentinels turned on the Master Chief, Johnson, the Arbiter, and the Elites. The unfinished Installation 4 is activated, destroying the Ark and with it, the entire local Flood infestation. These final events ended The Great War.

2553

March 3

  • The war ends in a UNSC-Covenant Separatist victory. The victors erect a monument on a hillside near the Ark's Gateway to commemorate those fallen.

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Reference

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