| Acronym | Meaning |
| SEPAC | Space Experiments With Particle Accelerators |
| GUGK | Glavnoye Upravileniye Geodesii I Kartografii |
| AGE | Auxiliary Ground Equipment |
| NOAO | National Optical Astronomy Observatories |
| CASCA | Canadian Astronomical Society |
| CCD | Charge-Coupled Device |
| VECO | Vernier Engine Cutoff |
| MACS | Modular Attitude Control System |
| GOMR | Global Ozone Monitoring Radiometer |
| NPO-PM | NPO Prikladnoi Mekhaniki |