| Acronym | Meaning |
| CCSM | Community Climate System Model |
| SHF | Super High Frequency |
| KP | Geomagnetic Planetary Index |
| BFPQ | Block Floating Point Quantizer |
| JEC | Joint-Evaluation Committee |
| ARPA | Advanced Research Projects Agency |
| RDT&E | Research, Development, Test And Evaluation |
| AFO | Available For Obligations |
| SWE | Snow-Water Equivalent |
| MSI | Measurements |