| Acronym | Meaning |
| SPARTAN | Shuttle Pointed Autonomous Research Tool For Astronomy |
| OCTW | Optical Communications Through The Shuttle Window |
| ENAC | Energetic Neutral Atom Camera |
| CETA | Crew And Equipment Translation Aid |
| ISAS | Institute Of Space AND Astronautical Science |
| SAMPEX | Solar Anomalous And Magnetospheric Particle EXplorer |
| MSU | Microwave Sounding Unit |
| EROS | Earth Resources Observations System |
| OMDP | Orbiter Maintenance Down Period |
| GDCLS | General Dynamics Commercial Launch Services |