| Abbreviation | Definition |
|---|---|
| ERL2 | ectrician (radio Land-wire Operator) 2nd Class Petty Officer |
| ERL2 | Electrician (radio Land-wire Operator) 2nd Class Petty Officer |
| ERL3 | ectrician (radio Land-wire Operator) 3rd Class Petty Officer |
| ERL3 | Electrician (radio Land-wire Operator) 3rd Class Petty Officer |
| ERO1 | ectrician (radio Operator) 1st Class Petty Officer |
| ERO1 | Electrician (radio Operator) 1st Class Petty Officer |
| ERO2 | ectrician (radio Operator) 2nd Class Petty Officer |
| ERO2 | Electrician (radio Operator) 2nd Class Petty Officer |
| ERO3 | ectrician (radio Operator) 3rd Class Petty Officer |
| ERO3 | Electrician (radio Operator) 3rd Class Petty Officer |
| ERR1 | ectrician (radio Repair) 1st Class Petty Officer |
| ERR1 | Electrician (radio Repair) 1st Class Petty Officer |
| ERR2 | ectrician (radio Repair) 2nd Class Petty Officer |
| ERR2 | Electrician (radio Repair) 2nd Class Petty Officer |
| ERR3 | ectrician (radio Repair) 3rd Class Petty Officer |
| ERR3 | Electrician (radio Repair) 3rd Class Petty Officer |
| ESA1 | Airship Rigger Petty Officer 1st Class |
| ESA1 | rship Rigger Petty Officer 1st Class |
| ESA2 | Airship Rigger Petty Officer 2nd Class |
| ESA2 | rship Rigger Petty Officer 2nd Class |