| Abbreviation | Definition |
|---|---|
| ESKFN | lecom Censorship Technician Fireman |
| ESKFN | Telecom Censorship Technician Fireman |
| ESKFR | Chemical Warefare Man Fireman Recruit |
| ESKFR | emical Warefare Man Fireman Recruit |
| ESKFR | formation Security Specialist Fireman Recruit |
| ESKFR | Information Security Specialist Fireman Recruit |
| ESKFR | lecom Censorship Technician Fireman Recruit |
| ESKFR | Telecom Censorship Technician Fireman Recruit |
| ESM1 | derwater Mechanic Petty Officer 1st Class |
| ESM1 | Underwater Mechanic Petty Officer 1st Class |
| ESM2 | derwater Mechanic Petty Officer 2nd Class |
| ESM2 | Underwater Mechanic Petty Officer 2nd Class |
| ESM3 | derwater Mechanic Petty Officer 3rd Class |
| ESM3 | Underwater Mechanic Petty Officer 3rd Class |
| ESMC | derwater Mechanic Chief Petty Officer |
| ESMC | Underwater Mechanic Chief Petty Officer |
| ESMFA | derwater Mechanic Fireman Apprentice |
| ESMFA | Underwater Mechanic Fireman Apprentice |
| ESMFN | derwater Mechanic Fireman |
| ESMFN | Underwater Mechanic Fireman |