| Acronym | Meaning |
| DDTE | Design |
| STSCI | Space Telescope Science Institute |
| ASEM | Assembly Of Station By EVA Methods |
| PDE | Particle Dispersion Experiment |
| EOSP | Earth Observing Scanning Polarimeter |
| SOB | Strap-On Booster |
| GLOMR | Global Low-Orbiting Message Relay |
| CCSDS | Consultative Committee For Space Data Systems |
| MB | Manned Base |
| VAS | VISSR Atmospheric Sounder |