O-1
Military abbreviation · Military Pay Grade
| Stands for | Officer pay grade 1 |
|---|---|
| Categories | Military |
O-1 stands for Officer pay grade 1, a military pay grade abbreviation.
Entry commissioned officer pay grade: Second Lieutenant in the Army, Air Force, Space Force and Marine Corps, and Ensign in the Navy and Coast Guard. New officers come from service academies, ROTC, officer candidate or training schools and direct commissions.
Example: Newly commissioned O-1s at the academy received their first assignments on branch night.
Usage notes
The letter O stands for officer. Officers with more than four years of prior enlisted or warrant service are paid at the higher O-1E rate. Promotion to O-2 usually follows after 18 months in the Army and two years in the other services. NATO groups both O-1 and O-2 under OF-1.
Related abbreviations
More military pay grade abbreviations
- E-4 – Enlisted pay grade 4
- E-5 – Enlisted pay grade 5
- E-6 – Enlisted pay grade 6
- E-7 – Enlisted pay grade 7
- E-8 – Enlisted pay grade 8
- E-9 – Enlisted pay grade 9
- 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-4 – Officer pay grade 4
- O-5 – Officer pay grade 5