| Acronym | Meaning |
| USDA | United States Department Of Agriculture |
| A&R | Air And Radiation |
| GTN | Germantown |
| DAF | Data Acquisition Facility |
| ETA | A Vendor Of Supercomputers And Associated Software |
| P/B | Priority Playback |
| RPM | Revolutions Per Minute |
| SDSD | Satellite Data Services Division |
| IV&V | Independent Verification And Validation |
| NSRDS | National Standard Reference Data System |