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Battle of the Citadel

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Battle of the Citadel

Two Deutoros-pattern Scarabs fighting a D77H Pelican and an AV-14 Hornet outside the Installation 00 Citadel on the level The Covenant.

Conflict:

Human-Covenant War, Great Schism
- Battle of Installation 00

Date:

December 11, 2552

Location:

Citadel, Installation 00

Outcome:

Decisive UNSC/Sangheili victory^[1]

Halo Array deactivated.^[1]
Ultimate collapse of the Covenant.
- Death of the Prophet of Truth.^[1]
End of the Human-Covenant War.

Details
Belligerents
United Nations Space Command UNSC Navy UNSC Marine Corps Covenant separatists Fleet of Retribution Forerunner constructs	Covenant Covenant military	Flood^{[Note 1]}
Commanders
CMR Miranda Keyes†^[1] SGTMAJ Avery Johnson^[1] MCPO John-117^[1] Arbiter Thel 'Vadam^[1] Fleetmaster Rtas 'Vadum^[1] Monitor 343 Guilty Spark^[1]	High Prophet of Truth†^[1]	Gravemind^[1]
Strength
Fleet of Retribution/Seventh Fleet 1 CAS-class assault carrier^[1] Multiple Phantoms^[1] Multiple Pelicans^[1] Numerous Hornets^[1] 1+ Scorpion^[1] Warthogs^[1] 1+ Chaingun Warthog 2+ Troop Transport Warthogs 1+ Gauss Warthog 2+ Mongooses^[1] Numerous ground forces^[1] 1 SPARTAN-II Numerous marines Multiple ODSTs Multiple Sangheili Forerunner constructs^[1] Sentinels	Numerous air vehicles Mutliple Ru'swum-pattern Phantoms^[1] T-26 Banshee Numerous Irdnekt-pattern Banshees^[1] Multiple ground vehicles 2 Deutoros-pattern Scarabs^[1] 3 T-26 Wraiths^[1] 4+ T-52 AA Wraiths^[1] Multiple T-25 Choppers^[1] Multiple T-52 Prowlers^[1] Numerous T-32 Ghosts^[1] Numerous ground forces^[1] Jiralhanae Mgalekgolo Unggoy Kig-Yar Yanme'e	High Charity^[1] Thousands of dispersal pods^[1] Pod infectors^[1] Combat forms^[1] Carrier forms^[1] Pure forms^[1]
Casualties
Light-moderate casualties^[1] CDR Miranda Keyes^[1