Facts Confirmed
- On 15:44, 15 January 2007 (UTC) Esemono had some issues with this article, including, "User appears to be creating ranks that do not exist. Proof needed that this rank exists in the Covenant rank structure. That a rank exists in the UNSC IS NOT proof that it exists Covenant forces". However on 05:32, 16 January 2007 (UTC) they were resolved:
Proof
I've found the pages in the Halo: The Flood that states the rank of Field Master, he's leading assaults on tge human forces.