From Halopedia, the Halo wiki
Jazz-9 was a location, possibly a human colony world, mentioned by Dr. Catherine Halsey in her journal along with Onyx and Hyperion Station when she was contemplating on the implications of a xenoarchaeological finding in Visegrad on Reach.
List of appearances
- Halo: Reach
- Dr. Halsey's personal journal (First mentioned)
- ^ Dr. Halsey's personal journal, July 30, 2550