| Abbreviation | Definition |
|---|---|
| MUS1 | sician 1st Class Petty Officer |
| MUS2 | Musician 2nd Class Petty Officer |
| MUS2 | sician 2nd Class Petty Officer |
| MUS3 | Musician 3rd Class Petty Officer |
| MUS3 | sician 3rd Class Petty Officer |
| MUSA | Musician Seaman Apprentice |
| MUSA | sician Seaman Apprentice |
| MUSN | Musician Seaman |
| MUSN | sician Seaman |
| MUSR | Musician Seaman Recruit |
| MUSR | sician Seaman Recruit |
| NAAFI | Navy Army Air Force Institution |
| NAAFI | Navy Army Air Forces Institution |
| NAAFI | Navy Army And Air Force Institutions |
| NAANY | Naval Academy Association of New York |
| NAAS | Naval Auxiliary Air Station |
| NABA | Naval Amphibious Base Annex |
| NABTC | Naval Air Basic Training Command |
| NAC | North Atlantic Council |
| NACAD | Naval Aviation Cadet |