2528


 * Construction Platform 966A is Decommissioned and abandoned.
 * Madrigal is glassed by the Covenant.
 * The Battle of Hat Yai takes place either late this year or in 2529.
 * The MJOLNIR Security variant, the first SPARTAN-II armor, is created.

January

 * January 30: James Gregory Cutter turns down a command position on board the Destroyer.

February

 * February 13: The Battle of XI Boötis A takes place, resulting in a UNSC victory.

December

 * December 5: Edward Buck enlists in the UNSC Marine Corps.