Alpha Shard

Alpha Shard

Alpha Shard is a fragment of the Halo ring Installation 04, which was jettisoned into space during the destruction of the ring at the hands of Master Chief John-117.

Alpha Halo

Alpha Halo

Alpha Halo, or Installation 04, was part of the Halo Array, a series of ringworlds created for the purpose of stopping the Flood.

Ark

Ark

The Ark was the massive installation used to create and deploy the Halo Array, a series of ringworlds created for the purpose of destroying the Flood.

Corbulo Academy

Corbulo Academy

Corbulo Academy of Military Science (CAMS) was a UNSC officer training school located on the colony world of Circinius IV.

Delta Halo

Delta Halo

Delta Halo, or Installation 05, was part of the Halo Array, a series of ringworlds created for the purpose of destroying the Flood.

Fathom Station

Fathom Station

Attempting to unlock mysteries of the war, Fathom Station was commissioned to research the Covenant’s Splendid Intention.

Gamma Halo

Gamma Halo

Gamma Halo, or Installation 03, was part of the Halo Array, a series of ringworlds created by the Forerunners for the purpose of destroying the Flood.

High Charity

High Charity

The Holy City of High Charity was an enormous mobile space station used as the capital of the Covenant empire.

Munera Platform

Munera Platform

One of many just like it, Munera Platform A7 plays host to an array of War Games simulations conducted by battle-hardened Spartans.

New Mombasa

New Mombasa

Home of Earth’s first space elevator, New Mombasa developed into a sprawling metropolis. The city was mostly destroyed by the Covenant during their assault of Earth.

New Phoenix

New Phoenix

New Phoenix was the fourth most populated city in the United Republic of North America after New York, Los Angeles, and Chicago. Its population was consumed by the Composer when the Didact attacked.

Sunaion

Sunaion

Resting high above the Csurdon Sea, the city of Sunaion was constructed to pay homage to the Guardian concealed in the deep below.

Threshold Gas Mine

Threshold Gas Mine

This gas mine is a Forerunner mining facility suspended above the gas giant, Threshold, and tethered to a larger orbital installation.

Threshold

Threshold

Threshold is an enormous gas giant in the Soell system. It has an extensive network of Forerunner gas mining and refinery stations and was once orbited by Alpha Halo.