| Acronym | Meaning |
| MISSI | Multilevel Information System Security Initiative |
| AVI | Audio Video Icon |
| N | Nano |
| ARG | Argentina (ISO 3166 Trigram) |
| NVG | Night Vision Goggles |
| HIPPARCOS | HIgh Precision Parallax COllecting Satellite |
| B/F | Before |
| FONSI | Finding Of No Significant Impact |
| SNG | Satellite News Gathering (television) |
| BIT | Bilateral Investment Treaty - Built-In Test |