| Acronym | Meaning |
| ESCA | Electron Spectroscopy For Chemical Analysis |
| PCL | Programming Check List |
| OIVS | Orbiter Interface Verification Set |
| SPI | Surface Position Indicator |
| MIS | Manipulator Jettison System (Subsystem) |
| DFRN | PRESSDifferential Pressure |
| W/Y | Wrist Yaw |
| FTS | Flight Test Station |
| QSGVT | Quarter Scale Ground Vibration Test |
| LCA | Launch Control Amplifier |