| Acronym | Meaning |
| OD | Operations Directive |
| DRM | Drawing Requirements Manual |
| FSSR | Flight Systems Software Requirements |
| MVR | Maneuver |
| EVSS | Extravehicular Space Suit |
| IOB | InPut/Output Buffer |
| E/L | Entry/Landing |
| FCI | Functional Configuration Identification |
| LHC | Left Hand Circular |
| LSSRC | Life Sciences Shuttle Research Centrifuge |