Draetheus V is a human research colony in the Draetheus system. It has one terrestrial satellite, X50, which was later discovered to be a Forerunner planet builder.


Main article: Battle of Draetheus V
This section requires expansion.

Draetheus V was home to many human research facilities and magnetic reactor stations.[2] In the post-war years, Covenant remnants attacked the planet because they were interested in the planet's largest magnetic reactor field. UNSC Infinity was deployed along with Spartan-IVs Palmer and Davis.



  1. Halo: Spartan Assault, Level Select Preview: "The northern continent of X50, Draetheus-V's moon..."
  2. Halo Waypoint, Halo: Spartan Assault, "Defend" description, "UNSC technicians had built numerous magnetic reactor stations across Draetheus-V. The western reactor field was one of the largest of these stations and was of great interest to the Covenant..."