| Acronym | Meaning |
| APD | Advance Planning Document |
| AVMA | Automotive Vehicle Manufacturers Association |
| NCSNET | NASCOM Custom Subnetwork |
| STRATCOM | Stratospheric Composition Experiment |
| AOSO | Advance Orbiting Solar Observatory |
| GAL | Galileo |
| AIRAPT | International Association For Research On High Pressure Science & Technology |
| WSR-88D | Weather Surveillance Radar ? 1988 |
| ECA | Earth-crossing Asteroids |
| DE | Dynamics Explorer |