| Acronym | Meaning |
| EUMETSAT | European Meterological Satellite Organisation |
| TCS | Thermal Control System |
| PV | Photovoltaic |
| TPCE | Tank Pressure Control Experiment |
| PI | Principal Investigator |
| ER | Eastern Range |
| SDI | Strategic Defense Initiative |
| ICE | International Cometary Explorer |
| HR | Hertzsprung-Russell |
| VTHL | Vertical Takeoff Horizontal Landing |