| Abbreviation | Definition |
|---|---|
| ET3 | Electronics Technician Petty Officer 3rd Class |
| ETC | ectronics Technician Chief Petty Officer |
| ETC | Electronics Technician Chief Petty Officer |
| ETCM | ectronics Technician Master Chief Petty Officer |
| ETCM | Electronics Technician Master Chief Petty Officer |
| ETCS | ectronics Technician Senior Chief Petty Officer |
| ETCS | Electronics Technician Senior Chief Petty Officer |
| ETM1 | Electronics Technician's Mate Petty Officer 1st Class |
| ETM1 | lectronics Technician's Mate Petty Officer 1st Class |
| ETM2 | Electronics Technician's Mate Petty Officer 2nd Class |
| ETM2 | lectronics Technician's Mate Petty Officer 2nd Class |
| ETM3 | Electronics Technician's Mate Petty Officer 3rd Class |
| ETM3 | lectronics Technician's Mate Petty Officer 3rd Class |
| ETMSR | ectronics Technician's Mate (ship Repair) |
| ETMSR | Electronics Technician's Mate (ship Repair) |
| ETN1 | ectronics Technician (communications) Petty Officer 1st Class |
| ETN1 | Electronics Technician (communications) Petty Officer 1st Class |
| ETN2 | ectronics Technician (communications) Petty Officer 2nd Class |
| ETN2 | Electronics Technician (communications) Petty Officer 2nd Class |
| ETN2 | Electronics Technician (Nuclear) Second Class Petty Officer |