| Acronym | Meaning |
| FCC | Federal Communications Commission |
| DHS | Data Handling Services |
| WSP | Winter Storm Program |
| IRICP | International Research Center For Climate Prediction |
| DSAA | Defense Security Assistance Agency |
| GREM | Geopotential Research Explorer Mission |
| TGS | Text And Graphics System |
| BIT | Built-in Test |
| GALA | Geoscience Airborne Laser Altimeter |
| SAFARI-2000 | The Southern African Regional Science Initiative |