| Acronym | Meaning |
| DACS | DATA Acquisition And Control Subsystem |
| DOD | Department Of Defense |
| ARISTOTELES | Applications And Research Involving Space Technologies Observing The Earth's Field From Low Earth Orbiting Satellite |
| GMS | Geostationary Meterological Satellite |
| EROS | Earth Resources Observations System |
| ET | Ephemeris Time |
| PCG | Protein Crystal Growth Experiment |
| UDMH | Unsymmetrical DiMethyl Hydrazine |
| LASCO | Large Angle Spectrometric Coronograph |
| ISO | Infrared Space Observatory |