The Ark
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Installation 00, also known as The Ark, is an enigmatic Forerunner installation from which all the Halo Installations across the galaxy can be activated simultaneously. In addition, it functions as a safe haven from the Halo network's strategic pulse, and as a facility to construct replacement Halos. It was first mentioned by 343 Guilty Spark at the conclusion of Halo 2, where he explains the fail-safe protocol of Installation 05 and the standby modes of the seven rings after its unexpected shutdown. The Ark is about 218 (exactly 262,144) light years from the galactic center. In comparison, Earth is 25,000 light years from the galactic center, which also happens to be the approximate range of one Halo Installation.
Installation 00 "The Ark"
Location: 262,144 light years from galactic center
Monitor: Unknown
Status: Unknown, presumed damaged or destroyed by Installation 04B's premature activation.
Date of Construction: Forerunner-Flood War
Date of Destruction: (2552) Heavily damaged
Firing Record: 52
Diameter: 127,530km(79,243 miles)
Installation 00 "The Ark"
Location: 262,144 light years from galactic center
Monitor: Unknown
Status: Unknown, presumed damaged or destroyed by Installation 04B's premature activation.
Date of Construction: Forerunner-Flood War
Date of Destruction: (2552) Heavily damaged
Firing Record: 52
Diameter: 127,530km(79,243 miles)