| Abbreviation | Definition |
|---|---|
| ETSSA | ectronics Technician (sonar) Seaman Apprentice |
| ETSSA | Electronics Technician (sonar) Seaman Apprentice |
| ETSSN | ectronics Technician (sonar) Seaman |
| ETSSN | Electronics Technician (sonar) Seaman |
| ETSSR | ectronics Technician (sonar) Seaman Recruit |
| ETSSR | Electronics Technician (sonar) Seaman Recruit |
| EW1 | ectronics Warfare Technician Petty Officer First Class |
| EW1 | Electronics Warfare Technician Petty Officer First Class |
| EW2 | Electronics Warfare Technician Petty Officer Second Class |
| EW2 | lectronics Warfare Technician Petty Officer Second Class |
| EW3 | ectronics Warfare Technician Petty Officer Third Class |
| EW3 | Electronics Warfare Technician Petty Officer Third Class |
| EWC | ectronics Warfare Technician Chief Petty Officer |
| EWC | Electronics Warfare Technician Chief Petty Officer |
| EWCM | ectronics Warfare Technician Master Chief Petty Officer |
| EWCM | Electronics Warfare Technician Master Chief Petty Officer |
| EWCS | ectronics Warfare Technician Senior Chief Petty Officer |
| EWCS | Electronics Warfare Technician Senior Chief Petty Officer |
| EWSA | ectronics Warfare Technician Seaman Apprentice |
| EWSA | Electronics Warfare Technician Seaman Apprentice |