| Acronym | Meaning |
 | RATS | Real-time Aircraft Tracking System |
| AGT | Advanced Ground Transport |
| NSSP | National Severe Storms Project |
| PSCN | Program Support Computer Network |
| D/A | Digital-to-analogue Conversion |
| NAE | National Aeronautical Establishment |
| EAG | Environmental Assessments Group |
| BAA | Buy American Act |
| LPC | Large Particle Count |
| CAS | Committee On Atmospheric Sciences |
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