| Acronym | Meaning |
| ASRM | Advanced Solid Rocket Motor |
| AE | Arianespace SA |
| ZHR | Zenith Hourly Rate |
| DCX | Delta Clipper EXperimental |
| SMC | Small Magellanic Cloud |
| GNC | Guidance |
| CSIRO | Commonwealth Scientific And Industrial Research Organization |
| COMSAT | Communications Satellite (Corporation) |
| JPL | Jet Propulsion Laboratory |
| GSO | GeoSynchronous Earth Orbit |