2528

• Construction Platform 966A is decommissioned and abandoned.
• Madrigal is glassed by the Covenant. Survivors flee to a set of asteroids in orbit above Hesiod, dubbing the worldlets The Rubble.
• The Battle of Hat Yai takes place either late this year or in 2529.
• The MJOLNIR Security variant is created.
• The Assembly Minority decides to sacrifice remote, low-population colonies in order to determine the Covenant's pattern of operation and plan effective countermeasures based on it.
• Katrina leaves her homeworld, Eridanus II.
• January 30: James Gregory Cutter turns down a command position on board the Cruiser UNSC Prophecy.
• February 13: The Battle of XI Boötis A takes place, resulting in a UNSC victory.
• December 5: Edward Buck enlists in the UNSC Marine Corps.