| Acronym | Meaning |
 | USD(C) | (U.S.) Under-Secretary Of Defense (Comptroller) |
| BIH | Bihari Languages (ISO 639-2 Code) |
| ERTS | Earth Resources Technology Satellite (became Landsat) |
| NA | Sodium |
| DNDI | Drugs For Neglected Diseases Initiative |
| FILO | First In |
| SLR | Single-Lens Reflex (camera) |
| DMC | (U.S.) Defense Management Council |
| N | Newton - Nitrogen - North |
| NCIS | National Criminal Intelligence Service (British) - Naval Criminal Investigative Service (U.S. Navy) |
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