| Acronym | Meaning |
| EHOT | External Hydrogen/Oxygen Tank |
| ERBE | Earth Radiation Budget Experiment |
| KB | Keyboard |
| MDC | Main Display Console |
| MDA | Maintainability Design Approach |
| HIP | Hardware Interface Program |
| TDR | Technical Documentation Report |
| TU | Transport Unit |
| VCC | Verification Code Counter |
| PLS | Preliminary Landing Site |