Main Page/Featured
From Halopedia, the Halo wiki
The Battle of Installation 04, also known as the Halo Event, was a series of skirmishes between the United Nations Space Command, the Covenant, and the Flood on the surface of Alpha Halo, a Forerunner megastructure orbiting the gas giant Threshold. It marked the turning point of the Human-Covenant War, starting a series of events that would lead to the destabilization of the Covenant, the reawakening of Forerunner artifacts, a resurgent invasion by the Flood, and eventually humanity's rescue from extinction.
In the year 2552, the fleeing cruiser Pillar of Autumn discovered the ancient structure, abandoned for millennia. Pursued by alien starships, a battle ensued between humans and the Covenant for control over the Halo, until their conflicts freed an ancient parasite that sought to escape the ring.
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Installation 07, also known as Zeta Halo, is one of the seven rings in the Halo Array. Unlike the other six remaining Halo installations, which were constructed as a separate array of rings with the diameter of 10,000 kilometers, Installation 07 is the only surviving ring from the original main array of twelve 30,000-kilometer-wide Halos. However, the installation's diameter was reduced to 10,000 kilometers after most of its superstructure was discarded as a result of heavy damage. Installation 07 currently is under the joint control of the Unified Earth Government and Swords of Sanghelios.
