Free-fire area OZONE

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Free-Fire Area OZONE was a location designated by the UNSC in Arizona, United Republic of North America.[1]


During the Battle for Earth, from November 10 to December 3, 2552, Covenant forces excavated and occupied built-up positions at this location. On November 19, the UNSC deployed nuclear weapons against multiple shielded enemy positions at OZONE. Two weeks later, Fleet Admiral Joseph Harper directed Operation: MARSH FLASH, which successfully eliminated clusters of high-value Jiralhanae attempting to activate an artifact in this area.