| Acronym | Meaning |
| SDIO | Strategic Defense Initiative Organization |
| SDSS | Sloan Digital Sky Survey |
| SSPF | Space Station Processing Facility |
| CREAM | Cosmic Radiation Effects And Activatiom Monitor |
| SECO | Sustainer Engine Cutoff |
| HB | Horizontal Branch |
| INCO | Integrated Communications Officer |
| VLT | Very Large Telescope |
| TAU | Thousand Astronomical Unit |
| SMS | Shuttle Mission Simulator |