Jun was born in the city of Tyumen on the colony of New Harmony just prior to the Covenant War. One of the youngest orphans to be abducted for the SPARTAN-III project, Jun grew to be an expert marksman and seasoned scout, though complications with his augmentations nearly crippled him.

Where is Jun in Halo Reach?

Jun survives reach and the events following it and becomes a recruiter for the Spartan 4 program. He recruited Edward Buck from Halo 3:ODST in the Spartan 4 program.

What happened to June from Halo Reach?

Following the end of the Covenant War, Jun was selected to lead the development of the SPARTAN-IV program, alongside Commander Musa-096. Technically retiring from active service and becoming a civilian, Jun served as the SPARTAN-IV program's head recruiter.