| Acronym | Meaning |
| P/B | Preburner |
| CIA | Controller Interface Assembly |
| VP | Shuttle Payloads (KSC VO Dir. |
| OS | Operating System |
| GP | GeGP General Publication (RSC) |
| JCT | Junction |
| VEDS | Vehicle Emergency Detection System |
| RHC | Right Hand Circular |
| VGIMU | Velocity To Be Gained As Related To IMU Orientati |
| OGS | Quantity Gaging System |