| Acronym | Meaning |
| VF | Voice Frequency |
| DERF | Dynamic Extended Range Forecasting |
| ASTEX | Atlantic Stratocumulus Transition Experiment |
| ETL | Environmental Technology Laboratory |
| PCMS | Process And Change Management System |
| CAMAC | Computer-automated Measurement And Control |
| NGS | National Geodetic Survey |
| FAA | Federal Aviation Administration |
| ECA | Earth-crossing Asteroids |
| AGT | Above-ground Test |