| Acronym | Meaning |
| COBE | COsmic Background Explorer |
| ENAP | Energetic Neutral Atom Precipitation |
| TIG | Time Of (until) Ignition |
| MARS | Series Of Soviet Mars Spacecraft |
| ASEM | Assembly Of Station By EVA Methods |
| DSP | Defense Support Program |
| TWTA | Travelling Wave Tube Amplifier |
| KB | Construction Bureau |
| SST | Spectroscopic Survey Telescope / SuperSonic Transport |
| LASCO | Large Angle Spectrometric Coronograph |