| Acronym | Meaning |
| IUGS | International Union Of Geological Sciences |
| ESTEC | European Space Research And Space Technology Centre |
| EETFC | Environmental Effects |
| ADF | Advanced Development Facility |
| ICWF | Interactive Computer Worded Forecast |
| FLSA | Fair Labor Standards Act |
| DLESE | Digital Library For Earth System Education |
| BAC | Budgeted Cost At Completion |
| APPLY | Parallel Program Generation |
| EDRS | European Data Relay Satellite |