| Acronym | Meaning |
| NPO | Scientific Production Organization |
| MBB | Messerschmitt-Belkow-Blohm |
| APT | Automatic Photoelectric Telescope |
| SPH | Smoothed-Particle Hydrodynamics |
| OCGF | Organic Crystal Growth Facility |
| IFEA | Integrated Furnace Experiment Assembly |
| DSSC | Deep Space Station Complex |
| ARRL | American Radio Relay League |
| DOR | Differenced One-way Range |
| SARA | Satellite Pour Astronomie Radio Amateur |