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- The Halcyon-class UNSC Pillar of Autumn is refitted to serve near the Zeta Doradus system.
- Lieutenant Wagner suffers severe plasma burns to a third of his body.
- February 11: Dr. Catherine Halsey determines Cortana, to disable the viral termination code in her matrix, may be able to overcome the AI's 7-year life cycle.[1]
- April 5: Miranda Keyes is awarded the Silver Star and promoted from Lieutenant to Lieutenant Commander in a ceremony in downtown Quezon on Reach.[2][3]
- After July 9: Minab is glassed by the Covenant.[4]
- November 23: The Official Secrets Act is passed.[5]
Sources
- ^ Halo 4, campaign level Requiem
- ^ Halo: Reach Limited Edition, Intersystem News, LCDR Miranda Keyes Awarded Silver Star
- ^ Dr. Halsey's personal journal, April 6, 2550
- ^ Halo: Escalation, Issue #17
- ^ Dr. Halsey's personal journal, November 23, 2550