| Acronym | Meaning |
| DDC | Defense Documentation Center |
| FO | Orbital Frequency |
| GCM | General Circulation Model |
| AQD | Air Quality Digest |
| MAR | Marshall Field Site |
| GRP | Geophysical Research Program |
| MAMOS | Marine Automatic Meteorological Observing Station |
| DNS | Domain Name Service |
| DCC | Direct Connect Service |
| AIS | Accumulator Injection System |