- Roland Huffman and Niraj Shah join the UNSC Defense Force.
- The M392 Designated Marksman Rifle is replaced by the BR55 Service Rifle in all branches but the Army.
- The Mjolnir Powered Assault Armor/CQC variant enters service.
- June 4: Michael "Mickey" Crespo enlists in the UNSC Marine Corps.
- Verent is glassed by the Covenant.
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