| Acronym | Meaning |
| SNG | Sodruzhestva Nezabisimikh Gosudarst |
| KPNO | Kitt Peak National Observatory |
| AGE | Auxiliary Ground Equipment |
| ACF | Automated Control Function |
| LRB | Liquid Rocket Booster |
| PDE | Particle Dispersion Experiment |
| WIMP | Weakly Interacting Massive Particle |
| ATM | Amateur Telescope Maker |
| SIRTF | Space InfraRed Telescope Facility |
| HRI | High Resolution Imager |