| Acronym | Meaning |
| DP | Defense Programs |
| GIMPAP | GOES Product Assurance Plan |
| GNU | GNU's Not UNIX (a Recursive Acronym) |
| TBD | To Be Determined |
| ERS | Earth Resources Satellite |
| TIE-GCM | Thermosphere/Ionosphere/Electrodynamics General Circulation Model |
| OCG | Ocean Catalog Group |
| AFV | Alternative Fuel Vehicle |
| AFD | Axial Flux Difference |
| FPD | Flight Projects Directorate |