| Abbreviation | Definition |
|---|---|
| EMS1 | Electrician's Mate (shop) Petty Officer 1st Class |
| EMS2 | ectrician's Mate (shop) Petty Officer 2nd Class |
| EMS2 | Electrician's Mate (shop) Petty Officer 2nd Class |
| EMS3 | ectrician's Mate (shop) Petty Officer 3rd Class |
| EMS3 | Electrician's Mate (shop) Petty Officer 3rd Class |
| EMSC | ectrician's Mate (shop) Chief Petty Officer |
| EMSC | Electrician's Mate (shop) Chief Petty Officer |
| EMSFN | ectrician's Mate (shop) Fireman |
| EMSFN | Electrician's Mate (shop) Fireman |
| EMSFR | ectrician's Mate (shop) Fireman Recruit |
| EMSFR | Electrician's Mate (shop) Fireman Recruit |
| EMSR | ectrician's Mate (ship Repair) |
| EMSR | Electrician's Mate (ship Repair) |
| EMSRG | ectrician's Mate (ship Repair-general) |
| EMSRG | Electrician's Mate (ship Repair-general) |
| EMSRS | ectrician's Mate (ship Repair-shop) |
| EMSRS | Electrician's Mate (ship Repair-shop) |
| EMSRT | ectrician's Mate (ship Repair-ic Repairman) |
| EMSRT | Electrician's Mate (ship Repair-ic Repairman) |
| EN1 | Engineman Petty Officer 1st Class |