| Acronym | Meaning |
| ISRO | Indian Space Research Organisation |
| ASTER | Advanced Spaceborne Thermal Emission And Reflection |
| NSA | National Security Agency |
| RIACS | Research Institute For Advanced Computer Science |
| DESAT | Desaturation |
| AACS | Attitude And Articulation Control Subsystem |
| AIRS | Atmospheric Infrared Sounder |
| WFPCII | Replacement For WFPC |
| ASEM | Assembly Of Station By EVA Methods |
| TSM | Tail Service Mast |