| Acronym | Meaning |
| DDS | Domestic Data Service |
| SSD | Cray's Solid-state Storage Device On The CRAY X-MP/48 Computer |
| GSD | Geographical Situation Display |
| DTF3.1 | Same As DTF3 |
| AWN | Aviation Weather Network |
| TIME | Thermosphere-ionosphere-mesosphere-electrodynamics |
| SOAP | Simple Object Access Protocol |
| GDPS | Global Data Processing System |
| ERC | Environmental Research Center |
| ELF | Extremely Low Frequency |