| Acronym | Meaning |
| MRIR | Medium Resolution Infrared Radiometer |
| KSC | John F. Kennedy Space Center |
| DMG | Data Management Group |
| SSPRO | Space Shuttle Program Resident Office |
| VECIB | Vehicle Engineering Change IMplementation Board |
| ESB | Essential Switching Box |
| FSSR | Functional Subsystem Software Requirements |
| PRSD | Power Reactant Supply And Distribution |
| MFC | Multiple Flight Controller |
| PFL | Primary Freon Loop |