| Acronym | Meaning |
| EM | Electronic Mail |
| GTS | Global Telecommunication System |
| ANTARES | Advanced Nuclear Thermal Rocket Engine Simulator |
| CARS | Coherent Anti-Stokes Raman Spectroscopy |
| AQCR | Air Quality Control Regulation |
| SESS | Space Environment Support System |
| AFOE | Advanced Fiber Optic Echelle |
| ASQC | American Society For Quality Control |
| TRW | Thundershowers |
| IRS | Indian Remote-sensing Satellite |