- Between 2510 and 2511, the future SPARTAN-IIs Class I candidates are born.
- The structural system of the Halcyon-class Cruiser is designed by Dr. Robert McLees.
- June 29th: Dallas Kendall is born on Tribute.
- August 22nd: Edward Buck is born in New Albany, Lombard, on Draco III.
- December 15th: Carris-137 is born in Irbid, Tribute in the Epsilon Eridani System.
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