Weighing in at over 350000 tonnes, the Orion class battleship is the ship of the line for the UNSC. Equipped witht he latest in MAC technology, the Orion mounts two Mk. XVII MACs, as well as over 350 Howler, Archer, and Griffon missile pods.
"Give me an Orion anyday. I'd much rather have her armour and firepower than a frigate's maneuverability." Lt. Cmdr. John Garro, UNSC Perseus