Admiral
From Halopedia, the Halo wiki
Admiral is a ranking group, that is higher than a Captain There are also different types of an Admiral. Listed below by rank of lowest to the highest, and by what their job would be in a large fleet.
- Rear Admiral = Command all ships at the back of the fleet.
- Vice-Admiral = Assist the Admiral.
- Admiral = Command of the fleet.
- Fleet Admiral = Command all other Admirals, and the entire Navy.