| Acronym | Meaning |
| TCS | Thermal Control System |
| MICROSOFT | Microsoft Corporation |
| ITM | Ionosphere-Thermosphere-Mesosphere |
| U.S./JC | United States/Japan Cooperation |
| FIFOLIB | N/A |
| PCAS | Passive Cavity Aerosol Spectrometer |
| NASCOM II | Upgraded Version Of NASA Communications Network |
| RFI | Radio Frequency Interference |
| SIM | Solar Interplanetary Model |
| ROCEW | Role Of Clouds |