Third Battalion

The 3rd Battalion Reserves were a reserve unit of the 3rd Battalion. They were the present during the Battle of Camber, however unaware their was a battle in the first place. Supreme Commander Thel Vadam'ee infiltrated the System Defense HQ. Thel let the reserve unit arm themselves, but were still destroyed.

Most of their history is unknown. Only that they were a reserve unit. They were unaware of the Battle of Camber. They were allowed to properly arm themselves by their enemies, Thel and two Elites, but were swiftly destroyed.

Halo 2 (First appearance)