| Navy Rank Chart | ||||
| GRADES | Command/Helm | Science/Medical | Engineer/Sec. |
Rank |
| A4 |  |
 |
 |
Cadet |
| O1 |  |
 |
 |
Ensign |
| O2 |  |
 |
 |
Lieutenant Junior Grade |
| O3 |  |
 |
 |
Lieutenant |
| O4 |  |
 |
 |
Lieutenant Commander |
| O5 |  |
 |
 |
Commander |
| O6 |  |
 |
 |
Captain |
| O7 |  |
 |
 |
Fleet Captain |
| O8 |  |
 |
 |
Rear Admiral |
| O9 |  |
 |
 |
Vice Admiral |
| O10 |  |
 |
 |
Admiral |
| O11 |  |
 |
 |
Fleet Admiral |