From Halopedia, the Halo wiki
- September 22: While aboard CMA Season of Plenty Crewman Apprentice Preston Cole formulates a new way of calculating slipspace input parameters, attracting the attention of his superior officers.
- November 27: Preston Cole is recommended to Luna OCS Academy in Season of Plenty's bi-annual personnel review.
- Halo 4: The Essential Visual Guide, Characters, Spartan Ops, Jul 'Mdama (p. 27)
- Halo: Evolutions - Essential Tales of the Halo Universe, The Impossible Life and the Possible Death of Preston J. Cole, Section Two: Noncommissioned Years (2488-2489 CE)