| Acronym | Meaning |
| ATIS | Airport Terminal Information System |
| AAW | Antiair Warfare |
| AL/MRD | AL Management Review Division |
| ATR | Attenuated Total Reflection |
| EIS | Environmental Impact Statement |
| CCU | CRAY Charging Unit |
| ACC | Accumulator |
| ICO | Interagency Committee On Oceanography |
| SMIC | Study Of Man's Impact On Climate |
| UHF | Ultra-high Frequency |