| Acronym | Meaning |
| SAR | Search And Rescue / Synthetic Aperture Radar |
| CG | Center Of Gravity |
| SIXA | Silicon X-ray Array |
| RVSN | Raketniye Voiska Stratigcheskovo Naznacheniya |
| HRDI | High Resolution Doppler Imager |
| TDRSS | Tracking And Data Relay Satellite System |
| DMR | Differential Microwave Radiometer |
| TIROS | Television InfraRed Observation Satellite |
| VLA | Very Large Array |
| SOFI | Spray-on Foam Insulation |