Alluvion Research Center
From Halopedia, the Halo wiki
In 2554, when the Unified Earth Government returned to Alluvion to recolonize the planet after its fall in 2542, the recolonization support fleet discovered Forerunner shield pylons in the planet's Sundark Sea that forced back massive walls of water and revealed the seafloor.
After several years of surveying this area, an exploration team discovered a depository of an exotic fuel source and estimated that it was capable of replacing deuterium for human starships. Contacted by the United Nations Space Command, the Liang-Dortmund Corporation's aerospace division established the Alluvion Research Center within the sea in 2556, seeking to directly power a number of Nordica V prototype shuttles with this newfound energy source. However, a year into their research, Liang-Dortmund's mining efforts mysteriously triggered the complete withdrawal of the shield pylons and the Sundark Sea collapsed on all who remained within the ARC.
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