| Officers |
| Rank Level |
Army |
Navy / Coast Guard |
Air Force |
Marines |
| O-1 |
Second Lieutenant (2LT) |  |
Ensign (ENS) |  |
Second Lieutenant (2Lt) | |
Second Lieutenant (2LT) | |
| O-2 |
First Lieutenant (1LT) |  |
Lieutenant, Junior Grade (LTJG) |  |
First Lieutenant (1Lt) | |
First Lieutenant (1LT) | |
| O-3 |
Captain (CPT) |  |
Lieutenant (LT) |  |
Captain (Capt) | |
Captain (CPT) | |
| O-4 |
Major (MAJ) |  |
Lieutenant Commander (LCDR) |  |
Major (Maj) | |
Major (MAJ) | |
| O-5 |
Lieutenant Colonel (LTC) |  |
Commander (CDR) |  |
Lieutenant Colonel (LtCol) | |
Lieutenant Colonel (LTC) | |
| O-6 |
Colonel (COL) |  |
Captain (CAPT) |  |
Colonel (Col) | |
Colonel (COL) | |
| O-7 |
Brigadier General (BG) |  |
Rear Admiral, Lower Half (RDML) | 
 |
Brigadier General (BGen) | |
Brigadier General (BG) | |
| O-8 |
Major General (MG) |  |
Rear Admiral, Upper Half (RADM) | 
 |
Major General (MGen) | |
Major General (MG) | |
| O-9 |
Lieutenant General (LTG) |  |
Vice Admiral (VADM) | 
 |
Lieutenant General (LtGen) | |
Lieutenant General (LTG) | |
| O-10 |
General (GEN) |  |
Admiral (ADM) | 
 |
General (Gen) | |
General (GEN) | |
| (special) |
General of the Army |  |
Fleet Admiral (FADM) | 
 |
General of the Air Force | |
| |