| Acronym | Meaning |
| CCDS | Centers For The Commercial Development Of Space |
| ALAE | Atmospheric Lyman-Alpha Emissions |
| ISO | Imaging Spectrometic Observatory |
| GEO | Geosynchronous Earth Orbit |
| WIMP | Weakly Interacting Massive Particle |
| ISAS | Institute Of Space AND Astronautical Science |
| COMPTEL | COMPton TELescope |
| ORFEUS | Orbiting And Retrievable Far And Extreme Ultraviolet Spectrometer |
| EDC | EROS Data Center |
| RPM | Retro Propulsion Module |