| Abbreviation | Definition |
|---|---|
| FTU1 | Fire Control Technician (underwater) Petty Officer 1st Class |
| FTU1 | re Control Technician (underwater) Petty Officer 1st Class |
| FTU2 | Fire Control Technician (underwater) Petty Officer 2nd Class |
| FTU2 | re Control Technician (underwater) Petty Officer 2nd Class |
| FTU3 | Fire Control Technician (underwater) Petty Officer 3rd Class |
| FTU3 | re Control Technician (underwater) Petty Officer 3rd Class |
| FTUC | Fire Control Technician (underwater) Chief Petty Officer |
| FTUC | re Control Technician (underwater) Chief Petty Officer |
| FTUSA | Fire Control Technician (underwater) Seaman Apprentice |
| FTUSA | re Control Technician (underwater) Seaman Apprentice |
| FTUSN | Fire Control Technician (underwater) Seaman |
| FTUSN | re Control Technician (underwater) Seaman |
| FTUSR | Fire Control Technician (underwater) Seaman Recruit |
| FTUSR | re Control Technician (underwater) Seaman Recruit |
| GC | Gun Captain |
| GC | n Captain |
| GF1 | Aviation Guided Missile Man Petty Officer 1st Class |
| GF1 | iation Guided Missile Man Petty Officer 1st Class |
| GF2 | Aviation Guided Missile Man Petty Officer 2nd Class |
| GF2 | iation Guided Missile Man Petty Officer 2nd Class |