| Acronym | Meaning |
| SEPAC | Space Experiments With Particle Accelerators |
| SOCC | Satellite Operations Control Center |
| DMSP | Defense Meteorological Satellite Program |
| DESAT | Desaturation |
| ISU | International Space University |
| PHA | Physics And Astronomy |
| SPARTAN | Shuttle Pointed Autonomous Research Tool For Astronomy |
| PCGG | PCG Glovebox |
| ESRO | European Space Research Organisation |
| AVHRR | Advanced Very High Resolution Radiometer |