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Meridian is a human outer colony on one of the moons of Hestia V.[1] It is under the control of the Liang Dortmund mining company.[2]


Discovery and FoundingEdit

When Meridian was discovered orbiting the gas giant Hestia V it was found with earth like features, which made it a prime candidate for colonization.[1]

The colony was founded in 2431, the colonists initially settling along the equatorial coastlands before migrating to the moon's super continent.[1]

The colony was relatively stable despite two insurrectionist movements, the Free Patriot Movement of 2467 and the Sundered Legion of 2495. By 2497 Chalybs Defense Solutions had set up some facilities.[1]

ONI ResearchEdit

In 2532, several SPARTAN-II augmentation chemical precursors were sent to an ONI Section III laboratory on this colony without Dr. Halsey's approval.[3]

ONI also, were apparently researching some Forerunner artifacts on the planet.[4]

The Covenant AttacksEdit

Main article: Battle of Meridian (2548)

This world was discovered by the Covenant Navy in 2548 and attacked, the Covenant attempting to cut-off the colony's supply lines, but the UNSC Defense Force was successful in driving the Covenant off the colony due to an extensive orbital defense grid and a large air force, continuing to fight off Covenant attacks for the next three years until it was finally glassed in 2551.[1][5]

While glassing the surface, the Covenant sent a three manned team to the surface to look for Forerunner artifacts.[6] This team managed to find an ancient Forerunner Luminary within an underground facility. This specific Luminary though, was special, as it showed all of the known Halo rings and the Lesser Ark.[6]

Reclaimer eraEdit

Recolonisation of the planet after the Human-Covenant War was a contentious issue between those who wanted resettlement and those who wanted to preserve it as a war grave. The discovery of rich mineral deposits in a mountainous area ended the dispute with both sides quietly claiming land to make money on the booming post-war mining industry.[7]


Main article: Battle of Meridian (2558)
Halo 5 Guardians Battle Of Meridian 1

Liang-Dortmund Security fighting at Pinnacle Station.

During Blue Team's assault on UNSC Argent Moon, John-117 learned of an incoming attack on Meridian.[8] Disobeying orders by investigating, ONI's propaganda wing reported John to have been Killed in Action as of October 27, 2558 to prevent any political harm from the prospect of a SPARTAN-II going rogue.[9][note 1] Fireteam Osiris, looking for Blue Team, promptly reached the planet just as it came under attack by the Created.[2] This was in response to the awakening of a Guardian, which quickly left the planet soon afterwards.[10] Lian-Dortmund's Headquarters at Meridian Station, was completely devastated.[11]


During The Reclamation, Liang-Dortmund secretly moved their planetary headquarters to Darkstar Station and continued to mine the glassed surface. They also moved a mining ship and workers into orbit. At the same time, Forerunner complexes beneath surface were turning on, bringing Meridian back into the purview of the UNSC.[11]


Before the war, Meridian was under control of the UEG.[3] However, after the war, the UEG never bothered to recolonize the planet, with the Liang Dortmund company seizing control of the planet and setting up mining platforms on its surface, led by the AI Governor Sloan.[2] After Sloan defected to the Created,[10] Meridian was run by regional directors.[11]


Meridian's economy was once robust.[7] Though it is known that it was home to many Chalybs Defense Solutions facilities. These facilities were however, abandoned sometime after the Fall of Reach.[12]

After the planet was glassed, mobile mining rigs now travel the burned surface, scrounging up any resources that can be found.[7] The planet has only one space elevator.[2]

Physical AspectsEdit


Meridian once had a temperate climate and fertile soil.[7]



Concept artEdit




  1. While originally reported as October 27, 2560, it was actually supposed to be October 27, 2558.


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