UNSC Vocational Code System

are simple designation codes used in the UNSC Forces to designate specialities, skills and abilities in Marine, Navy and Air Force service men and women. Most personel would hold multiple certificates. It is designated by a single letter then a number code
===Marine (Inlcuding MARSOC)===
===Army (Including ARSOC)===
===Navy (Inlcuding NAVSOC)===
===Air Force (Inlcuding AFSOC)===