| Acronym | Meaning |
| ET | Ephemeris Time |
| RG | Red Giant |
| LN2 | Liquid Nitrogen |
| SAMPEX | Solar Anomalous And Magnetospheric Particle EXplorer |
| IMU | Inertial Measurement Unit |
| SARA | Satellite Pour Astronomie Radio Amateur |
| TPS | Thermal Protection System |
| BIMDA | Bioserve-Instrumentation Technology Associate Materials Dispersion Analysis |
| EAFB | Edwards Air Force Base |
| EDRS | European Data Relay Satellite |