| Acronym | Meaning |
| AQSM | Air Quality Simulation Model |
| RF | Radio Frequency |
| GREM | Geopotential Research Explorer Mission |
| TGS | Text And Graphics System |
| USA | United States Army |
| HS | High Speed |
| EOS-A | First NPOP |
| DASC | Defense Logistics Agency Administrative Support Center |
| NCSA | National Center For Supercomputing Applications |
| GEMINI | General Mesonetwork Interpolation Interface |