| Abbreviation | Definition |
|---|---|
| MES2 | Metalsmith (sheet Metal) Petty Officer 2nd Class |
| MES2 | talsmith (sheet Metal) Petty Officer 2nd Class |
| MES3 | Metalsmith (sheet Metal) Petty Officer 3rd Class |
| MES3 | talsmith (sheet Metal) Petty Officer 3rd Class |
| MESC | Metalsmith (sheet Metal) Chief Petty Officer |
| MESC | talsmith (sheet Metal) Chief Petty Officer |
| MESFA | Metalsmith (sheet Metal) Fireman Apprentice |
| MESFA | talsmith (sheet Metal) Fireman Apprentice |
| MESFN | Metalsmith (sheet Metal) Fireman |
| MESFN | talsmith (sheet Metal) Fireman |
| MESFR | Metalsmith (sheet Metal) Fireman Recruit |
| MESFR | talsmith (sheet Metal) Fireman Recruit |
| MEW1 | Metalsmith (welder) Petty Officer 1st Class |
| MEW1 | talsmith (welder) Petty Officer 1st Class |
| MEW2 | Metalsmith (welder) Petty Officer 2nd Class |
| MEW2 | talsmith (welder) Petty Officer 2nd Class |
| MEW3 | Metalsmith (welder) Petty Officer 3rd Class |
| MEW3 | talsmith (welder) Petty Officer 3rd Class |
| MEWC | Metalsmith (welder) Chief Petty Officer |
| MEWC | talsmith (welder) Chief Petty Officer |