Battle for Zeta Halo

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Previous:	Battle for the Domain Razing of Oth Sonin
Concurrent:	Battle of Earth Battle of Boundary
Next:	Battle of Suban
Battle for Zeta Halo
Clockwise from top left: The UNSC Infinity being rammed by a Banished dreadnought, Elena Bobrov and UNSC Marines watching a Banished patrol, the boat crew looking over the remains of the ring, the House of Reckoning, Fernando Esparza helping to brief an awakened John-117, and Atriox using a device to find the Xalanyn.
Conflict:	Post-Covenant War conflicts Created uprising
Date:	December 12, 2559–
Location:	Installation 07, Ephsu I, Ephsu system (December 12, 2559) Installation 07, unknown star system (from December 13, 2559, onwards)
Outcome:	Ongoing as of 2560 UNSC Infinity crashed on the ring. UNSC forces severely depleted and scattered across Installation 07. Destruction of Cortana and consequent deactivation of the Guardians. Installation 07 sustains severe structural damage and 117649 Despondent Pyre is destroyed. Flood outbreak contained. Installation 07's new location broadcast to UNSC space by the boat crew and received by the Swords of Sanghelios. Recovery of John-117 by Echo 216. Deaths of Escharum, the Harbinger and several other high-ranking members of the Banished, creating a power vacuum and throwing the Banished into chaos. Discovery of the Endless by Atriox.
Details Belligerents UNSC Navy Marine Corps Swords of Sanghelios Offensive Bias' Forerunner constructs Banished Hand of Atriox Bloodstars Legion of the Corpse-Moon Ravaged Tusks Harbinger's Skimmers Forerunner constructs Adjutant Resolution's Forerunner constructs Created Commanders CAPT Thomas Lasky CDR Sarah Palmer MCPO John-117 CDR Wes Thompson Offensive Bias Adjutant Repose Warmaster Atriox War Chief Escharum† Harbinger† Adjutant Resolution Cortana†