news | May 13, 2026

What happened to Delta Halo?

Elite-controlled fleets quarantined the remaining Flood parasites on Delta Halo, cauterizing the Flood-controlled containment zone using orbital bombardment. Though the surface of the ringworld is too dangerous for permanent habitation, the UNSC continues to monitor the installation and recover useful artifacts.

Why is it called Delta Halo?

I-05 was designated as ‘Delta Halo’, and delta is the fourth letter in the Greek alphabet. If they were using the Greek alphabet to designate the Halo rings then I-05 would be ‘Beta Halo’.

How did the Flood get on Delta Halo?

The Cold Storage logs released by Bungie in 2008 told us that the Flood outbreak was the result of a mechanical failure, perhaps a manufacturing flaw in some of the machinery used, and hacked Installation 05’s slipspace translocation conduits in the early stages so the Flood could pretty much go anywhere they wanted to …

Why does Delta Halo have ruins?

On the level Delta Halo, some of the first structures we come into contact with are ruins. They are built so seamlessly into stone structures that they are easily missed and can be activated and used, in spite of their ancient appearance.

WHO released the Flood Delta Halo?

Installation 05, also known as Delta Halo, is one of the massive Halo fortress worlds built by the Forerunners. The ring was formerly maintained by monitor 2401 Penitent Tangent, until his lax oversight led to the Flood’s escape from their containment facilities.

What happened to the ring from Halo 2?

No, the ring is still there, though a good amount of it’s surface was glassed to prevent the spread of the Flood during the outbreak of Halo 2. After the Human-Covenant war, the UNSC Infinity would help establish the Lisbon Station on Instillation 05 (the ring in Halo 2) for study and retrieval of any useful artifacts.

Why is installation 05 Delta Halo?

Installation 05, also known as Delta Halo, is one of the massive Halo fortress worlds built by the Forerunners. The purpose of Installation 05, along with its brethren, was to preclude and thwart the parasitic Flood from consuming all sentient life in the galaxy.

What is the purpose of Halo rings?

In the games’ stories, the Forerunners built the Halo Array to contain and study the Flood, an infectious alien parasite. The rings act together as a weapon of last resort; when fired, they kill all sentient life in the galaxy capable of falling prey to the Flood, thereby starving the parasite of its food.