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Installation is a common prefix to Forerunner structures, and may refer to the following:
|Installation 00||The (Lesser) Ark||Heavily damaged|
|Installation 01||Beta Halo||Active|
|Installation 02||Epsilon Halo||Active|
|Installation 03||Gamma Halo||Damaged|
|Installation 04||Alpha Halo||Destroyed|
|Installation 04B||Alpha Halo (replacement)||Destroyed|
|Installation 05||Delta Halo||Surface partially glassed by the Covenant|
|Installation 06||Eta/Kappa Halo||Active|
|Installation 07||Zeta Halo||Active|
|Line Installation 1-4||The Line||Deactivated|
|Line Installation 9-12||The Line||Active|
- Battle of Installation 00 - The last known battle of the Human-Covenant war that took place in December 2552.
- Raid on Installation 04B - Part of the Battle of Installation 00.
- Battle of Installation 04 - The conflict that took place on Installation 04 in September 2552.
- Battle of Installation 05 - The conflict that took place on Installation 05 in November 2552.
- This is a disambiguation page - a navigational aid which lists other pages that might otherwise share the same title. If an article link referred you here, you might want to go back and fix it to point directly to the intended page.