U.S. Air Force

Ranks

1. 

   Colonel

   O-6

   Col
2. 

   Lieutenant Colonel

   O-5

   Lt Col
3. 

   Major

   O-4

   Maj
4. 

   Captain

   E-3

   CPT
5. 

   1st Lieutenant

   O-2

   1LT
6. 

   2nd Lieutenant

   O-1

   2LT
7. 

   Officer Candidate

   O-0

   OC
8. 

   Chief Master Sergeant

   E-9

   CMSgt
9. 

   Senior Master Sergeant

   E-8

   SMSgt
10. 

    Master Sergeant

    E-7

    MSgt
11. 

    Technical Sergeant

    E-6

    TSgt
12. 

    Staff Sergeant

    E-5

    SSgt
13. 

    Senior Airman

    E-4

    SrA
14. 

    Airman First Class

    E-3

    A1C
15. 

    Airman

    E-2

    Amn
16. 

    Airman Basic

    E-1

    AB