| Acronym | Meaning |
| ANTARES | Advanced Nuclear Thermal Rocket Engine Simulator |
| IBM AT | IBM Advanced Technology Personal Computer |
| AURA | Association Of Universities For Research In Astronomy |
| GGEM | Gravity Gradiometer Explore Mission |
| DP | Data Processing |
| SSU | Stratospheric Sounding Unit |
| NAVAID | Navigation Aid |
| DSIR | Department Of Scientific & Industrial Research |
| LDAP | Lightweight Directory Access Protocol |
| ATCSC | Air Traffic Control Systems Command Center |