| Acronym | Meaning |
| MCS | Measurements Calibration System |
| NATL | National |
| CIVT | Cargo Interface Verification Test |
| DE | Dynamics Explorer |
| EOS | Emergency Oxygen Supply |
| PIGA | Pendulous Integrating Gyro Accelerometer |
| LOM | Input/Output Module |
| SMIR | Shuttle Multispectral Infrared Radiometer |
| SDIF | Software Development And Integration Facility |
| RMG | Right Main Gear |