| Acronym | Meaning |
 | VU | Voice Unit |
| AFAP | Artillery-fired Atomic Projectile |
| SEDI | Structure Of The Earth's Deep Interior |
| CCIG | Cloud Climate Interactions Group |
| PCNFS | Personal Computer Network File System |
| MARS | Meteorological Airborne Radar Data System |
| ISP | Internet Service Provider |
| SI | Systeme International |
| NSSP | National Severe Storms Project |
| AI | Authorized Inspector |
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