| Acronym | Meaning |
| ISO | International Standards Organization |
| SOB | Strap-On Booster |
| UDMH | Unsymmetrical DiMethyl Hydrazine |
| FTS | Flight Telerobotic Servicer |
| INMARSAT | International Maritime Satellite |
| GRTLS | Glide RTLS |
| SETI | Search For ExtraTerrestrial Intelligence |
| ENAP | Energetic Neutral Atom Precipitation |
| DCCS | Dynamic Cell Culture System |
| LGA | Low Gain Antenna |