Sojourners

Millions of Sojourners were raised up and thrown against the Flood, but in the end only a handful remained intact to see Halo fire.

Troops: 200 Scutarii; 5,000 Venatores
Length: 9,430 meters
Mass: 10 billion metric tons

They were protected by heavily armoured Warrior-Servant scutarii who in excelled in shipboard combat and tactical reconfiguration of the ship's interior spaces, while the war sphinx-clad venatores directed the ship's millions of autonomous hunter-killers on long range strikes.
(Halo Warfleet; pg.80)