| Acronym | Meaning |
| UNAVCO | University NAVSTAR [not An Acronym] Consortium |
| DSN | Defense Switched Network |
| PCRGA | Precipitation Chemistry |
| NEWS | National Extreme Weather Systems |
| DRGS | Direct Read-out Ground Station |
| HIS | High-resolution Interferometer Sounder |
| ASIS | American Society For Industrial Security |
| DOE/RL | DOE Richland Operations |
| GTMS | Global Thermospheric Mapping Study |
| SOLAR-B | N/A |