| Acronym | Meaning |
| HTR | Heater |
| SI | International System Of Units (ISU Preferred) |
| EVSS | Extravehicular Space Suit |
| SF-SOO | KSC Safety Operations Office |
| VCT | Voltage Control Transfer |
| IPAD | Integrated Program For Aerospace Vehicle Design |
| DDR | Data Discrepancy Report |
| F | Female |
| S/0 | Shutoff |
| SOC | Simulation Operation ComPuter |