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Operation: RED FLAG




Operation: RED FLAG was a planned operation by both the Office of Naval Intelligence and the UNSC to use Spartans to capture a Covenant ship, use it to penetrate into Covenant space, and capture a Hierarch, with the intent of using the Prophet to broker a cease-fire. Though the operation was never put into action due to the Fall of Reach, Operation: RED FLAG is responsible for most of the UNSC fleet being unaware of the Covenant invasion of Reach until weeks after the Covenant arrived.



These events are depicted in the novel and comic Halo: The Fall of Reach.

Earlier Event: May 8
Massacre of Troy
Later Event: July 17
Battle of Sigma Octanus IV