| Abbreviation | Definition |
|---|---|
| NAPT | Navy Advanced Programs Test |
| NASB | Naval Air Station Brunswick |
| NASO | Naval Air Station Oceana |
| NATC | Naval Air Training Center |
| NATF | Naval Advanced Tactical Fighter |
| NATF | Navy Advanced Tactical Fighter |
| NATOPS | Naval Air training and Operating Procedures Standardisation |
| NATOPS | Naval Air Training And Operations Procedures Standardization |
| NATS | Naval Air Transport Service |
| NATU | Naval Aircraft Torpedo Unit |
| NAVCAD | Naval Aviation Cadet |
| NAVCAD | val Aviation Cadet |
| NAVY | Nerds At Vaginal Youth |
| NAVY | Not Army Verified Yet |
| NB | Navy Basic |
| NB | The Naval Board |
| NBK | Naval Base Kitsap |
| NBPS | Naval Base Primary School |
| NBU | Naval Beach Unit |
| NC1 | Naval Counselor Petty Officer 1st Class |