| Acronym | Meaning |
| CZCS | Coastal Zone Color Scanner |
| CRL | Communication Research Lab |
| IGM | InterGalactic Medium |
| DCCS | Dynamic Cell Culture System |
| ETM | Enhanced Thematic Mapper |
| CR | Correlation Radiometer |
| EUTELSAT | European Telecommunications Satellite Organization |
| HRDI | High Resolution Doppler Imager |
| NASP | National AeroSpace Plane |
| ELV | Expendable Launch Vehicle |