2542

August

 * August 24: SPARTAN-III Beta Company is sent on an incredibly difficult training exercise on the planet Onyx.

Unknown

 * The UNSC abandon Emerald Cove due to the threat of a Covenant invasion.
 * The MJOLNIR Powered Assault Armor/Mark V begins development this year.
 * Alluvion is glassed by the Covenant.
 * Molly Patel is born on Paris IV.
 * Asum 'Mdama is born on Sanghelios.
 * Kareem El-Hashem is born on Luna.