| Abbreviation | Definition |
|---|---|
| MLCS | Molder Senior Chief Petty Officer |
| MLDR | lder |
| MLDR | Molder |
| MLDR1 | lder 1st Class |
| MLDR1 | Molder 1st Class |
| MLDR2 | lder 2nd Class Petty Officer |
| MLDR2 | Molder 2nd Class Petty Officer |
| MLDRA1 | lder (aviation) 1st Class |
| MLDRA1 | Molder (aviation) 1st Class |
| MLDRA2 | lder (aviation) 2nd Class |
| MLDRA2 | Molder (aviation) 2nd Class |
| MLFA | lder Fireman Apprentice |
| MLFA | Molder Fireman Apprentice |
| MLFN | lder Fireman |
| MLFN | Molder Fireman |
| MLFR | lder Fireman Recruit |
| MLFR | Molder Fireman Recruit |
| MLSR | lder (ship Repair) Petty Officer Third Class |
| MLSR | Molder (ship Repair) Petty Officer Third Class |
| MLSRC | lder (ship Repair-cupola) |