| Acronym | Meaning |
| ALEXIS | Array Of Low Energy X-ray Imaging Sensors |
| AMSR | Advanced Microwave Sounding Radiometer |
| DRSS | DATA Relay Satellite System |
| AFRSI | Advanced FRSI |
| SSME | Space Shuttle Main Engine |
| EPD | Energetic Particles Detector |
| CNO | Carbon-Nitrogen-Oxygen |
| DSS | Deep Space Station |
| IDL | Interactive Data Language |
| BECO | Booster Engine Cutoff |