| Acronym | Meaning |
| VMS | Velocity Measuring System |
| PRB | PasoRobles(TACANStation) |
| DCOP | Detailed Checkout Procedures |
| OSTO | Office Of Space Transportation Operations |
| D | Deck |
| RIB | Right Inboard |
| TOPS | Transistorized Operational Phone System |
| MSE | Measuring And Stimuli Equipment |
| SDC | Shallow Draft Board |
| IGA | Inner Gimbal Angle |