2512

• Around this year, a geological survey team on Sigma Octanus IV finds rocks with odd compositions. They later found out these rocks were introduced from meteor impacts roughly 60,000 years earlier and contained a Forerunner shard among them.
• The Chiroptera-class stealth vessel is retired by the UNSC.
• Admiral Michael Stanforth is appointed the head of Section Three of the Office of Naval Intelligence.
• The M392 Designated Marksman Rifle is introduced into service.
• December 19: The Superintendent AI is created.