Military

The Military is one big unit, with each soldier wearing a patch at the top of his/her left sleeve representing whether they specialize in air, ground, or water. Those symbols are shown below the rank list.

Ranks are as
follows, from top to bottom (bold = officer, regular =
enlisted):

1. General
   
2. Lieutenant General
   
3. Major General
   
4. Brigadier General
   
5. Colonel
   
6. Major
   
7. Captain
   
8. 1st Lieutenant
   
9. 2nd Lieutenant
   
10. Warrant Officer
    
11. Sergeant Major
    
12. 1st Sergeant
    
13. Master Sergeant
    
14. Sergeant 1st Class
    
15. Sergeant
    
16. Corporal
    
17. Specialist
    
18. Private 1st Class
    
19. Private
    

Airona (air) Osheen (ocean) Terrata (land)

NOTE: Quite honestly, while I tried hard not to refer to real-life
countries, this is based on the US Army's system w/ some omissions.