Mark 57 Arena point defense gun
The Mark 57 Arena point defense gun is a kinetic point defense gun utilized by the UNSC Navy after the Human-Covenant War. The Strident-class heavy frigate had six individual Arenas, with each pair being mounted in a 'quickshot' configuration on three of its Mark 55 Castor naval coilguns.
List of appearances
- Halo Warfleet, page 38-39