| Acronym | Meaning |
| ADC | Authorized Derivative Classifier |
| RAS | Royal Astronomical Society |
| MAPS | Millions Of Actions Per Second |
| JCS | Joint Chiefs Of Staff |
| TOPCAT | A Clear Air Turbulence Measurement Program |
| FEWS | Follow-on Early Warning System |
| HPPI | High Performance Parallel Interface |
| UMP | Upper Mantle Project |
| ELDORA | Electra Doppler Radar |
| RT/PC | RISC Technology/Personal Computer |