| Acronym | Meaning |
| SRT | Shuttle Requirements Traceability |
| INTEGR | Integrate |
| DCIU | Digital Control And Interface Unit |
| RTCS | Real-Time Computer System |
| SR | Status Register |
| KCRT | Keyboard Cathode RaY Tube |
| CMSI | Checkout/Control And Monitor Subsystem Interface |
| L/D | Length-to-Diameter |
| AFTA | Aft Frame Tilt Actuator |
| SAMTEC | Space And Missile Test Center Manual |