| Acronym | Meaning |
| EUMETSAT | European Meterological Satellite Organisation |
| LFC | Large Format Camera |
| SMS | Shuttle Mission Simulator |
| SAREX | Search And Rescue Exercise / Shuttle Amateur Radio Experiment |
| MMS | Multi-mission Modular Spacecraft |
| PEM | Payload Electronics Module |
| BMDO | Ballistic Missile Defense Office |
| CM | Center Of Mass |
| IFEA | Integrated Furnace Experiment Assembly |
| NTR | Nuclear Thermal Rocket(ry) |