| Acronym | Meaning |
| O | Engineering Order |
| MEC | Mission Events Controller |
| SURE | Shuttle Users Review And Evaluation |
| IDS | Item Description Sheet |
| W/G | Water/Glycol |
| IAS | Integrated Avionics System |
| LPFTP | Low Pressure Fuel Turbopump |
| SAB | SACstrategic Air Command(USAF) |
| BPV | Bipropellant Valve |
| SCA | Schedule Change Authorization |