| Acronym | Meaning |
| SAO | Smithsonian Astrophysical Observatory |
| MAS | Millimeter-wave Atmospheric Sounder |
| ET | External Tank |
| RME | Radiation Monitoring Experiment |
| CDS | Command And Data Subsystem |
| TSPK | Tsentr Podgotovka Kosmonavti |
| UARS | Upper Atmosphere Research Satellite |
| LAGEOS | Laser Geodynamics Satellite |
| GPC | General Purpose Computer |
| CREAM | Cosmic Radiation Effects And Activatiom Monitor |