| Acronym | Meaning |
| NAS | Naval Air Station |
| EMACS | An On-line Text Editor Distributed As Part Of The GNU Package Of UNIX Software |
| TOS | Tiros Operational Satellite |
| CAI | Controlled Air Incinerator |
| DSB | Direct Soundings Broadcast |
| RAFS | Regional Analysis And Forecast System |
| IMS | International Magnetospheric Study |
| MDI | Michelson Doppler Imager |
| ARR | Association For Radiation Research |
| PRMS | Precipitation Runoff Modeling System |