UNSC Fourth Fleet

The UNSC Fourth Fleet was one of the principal fleets of the UNSC Defense Fleet. It was commanded by Fleet Admiral Michael Stanforth.

It encompassed Battle Group Mediator, a battle group led by Rear Admiral Wagner in the flagship UNSC Mediator. The battle group several months after the conclusion of the w:c:halo:Human-Covenant War would notably participate in the Battle of Paris IV and the events at Carinae-312.