Template:Planet X-40 was a Forerunner planet. Sometime after the Human-Covenant War, the UNSC discovered the planet, and used different locations on the planet for training simulations of the SPARTAN-IVs.[1]
Locations
List of appearances
- Halo: Spartan Assault (First appearance)
Sources
- ^ Halo: Spartan Assault, Flood Missions introductory cutscene