O-4
Military abbreviation · Military Pay Grade
| Stands for | Officer pay grade 4 |
|---|---|
| Categories | Military |
O-4 stands for Officer pay grade 4, a military pay grade abbreviation.
Fourth officer pay grade: Major in the Army, Air Force, Space Force and Marine Corps, and Lieutenant Commander in the Navy and Coast Guard. O-4 marks the start of the field grade, and holders serve as battalion operations and executive officers and squadron department heads.
Example: Selection to O-4 typically comes around the ten-year mark under federal officer-management law.
Usage notes
Promotion boards for O-4 and above are increasingly selective, and officers twice passed over for promotion may be separated under up-or-out rules. Most O-4s attend intermediate-level professional military education such as the Army's Command and General Staff College. NATO code OF-3.
Related abbreviations
More military pay grade abbreviations
- E-9 – Enlisted pay grade 9
- O-1 – Officer pay grade 1
- O-10 – Officer pay grade 10
- O-1E – Officer pay grade 1 with prior enlisted service
- O-2 – Officer pay grade 2
- O-3 – Officer pay grade 3
- O-5 – Officer pay grade 5
- O-6 – Officer pay grade 6
- O-7 – Officer pay grade 7
- O-8 – Officer pay grade 8
- O-9 – Officer pay grade 9
- OF-1 – NATO officer grade 1