| Abbreviation | Definition |
|---|---|
| NDRF | National Defense Reserve Fleet |
| NDRF | National Disaster Response Force |
| NDRI | National Defense Research Institute |
| NDS | National Defense Strategy |
| NDSA | Navy Diver Seaman Apprentice |
| NDSF | National Defense Sealift Fund |
| NDSN | Navy Diver Seaman |
| NDSP | Non-DOD Schools Program |
| NDSR | Navy Diver Seaman Recruit |
| NDT | Non Destructive Testing |
| NDTE | Non-Destructive Test Equipment |
| NDTI | Non-Destructive Testing and Inspection |
| NDU | National Defense University |
| NDW | Nuclear Doomsday Weapon |
| NE | Nameless Ensign |
| NE | Naval Escort |
| NE | No Excuse |
| NEA | Northeast Asia |
| NEAC | NorthEast Air Command |
| NEACP | National Emergency Airborne Command Post |