code/datums/mil_ranks.dm 
| /var/mil_branches | Datums for military branches and ranks |
|---|---|
| /datum/mil_branches | Global object for handling branches |
| /datum/mil_branch | A single military branch, such as Fleet or Marines |
| /proc/populate_branches | Populate the global branches list from global.using_map |
| /datum/mil_rank | A military rank |