Installation

Installation is a common prefix to Forerunner structures and may refer to the following:

Locations

 * Installation 00 - Also known as The Ark
 * Installation 01
 * Installation 02
 * Installation 03 - Also known as Gamma Halo
 * Installation 04 - Also known as Alpha Halo
 * Installation 04B - Installation 04's replacement
 * Installation 05 - Also known as Delta Halo
 * Installation 06
 * Installation 07 - Also known as Zeta Halo
 * Line Installation 1-4
 * Line Installation 9-12

Events

 * Battle of Line Installation 1-4 - The conflict on a moon in Line Installation 1-4 (August 2552)
 * Battle of Installation 04 - The conflict that took place on Alpha Halo (September 19-22, 2552)
 * Battle of Installation 05 - The conflict that took place on Delta Halo (November 2-4, 2552)
 * Battle of Installation 00 - The last known battle of the Human-Covenant War (December 11, 2552)
 * Mission to Installation 00 - The UNSC-Swords of Sanghelios joint operation on the Ark (March, 2555)
 * Battle of Installation 03 - The conflict that took place on Gamma Halo between the New Phoenix Incident and the Battle of New Phoenix.
 * Skirmish on Installation 03 - The conflict that took place on Gamma Halo (July 25-26, 2557)