| Acronym | Meaning |
| NTR | Network Time Reference |
| F/W | Fixed Wing |
| ITA | Italy (ISO 3166 Trigram) |
| INDIGO | (U.S.) INtelligence DIvision Gaming Operation |
| LDC | Lesser Developing/Developed Country |
| AML | Acute Myeloid Leukaemia |
| SMCT | Soldier's Manual Of Common Tasks |
| NAF | NATO Architecture Framework -Naval Air Facility |
| NCES | U.S. National Center For Education Statistics - Net-Centric Enterprise Services |
| GTD | Getting Things Done |