| Acronym | Meaning |
| EBCDC | Extended Binary Coded Decimal |
| SPN | Shuttle Project Notice (KSC) |
| FL | Flowline |
| MPM | Manipulator Positioning Mechanism |
| LHCP | Left Hand Circular Polarization |
| LFAM | Low Frequency Accelerometer Modes |
| CM | Control Monitor |
| MIA | Multiplexer Interface Adapter |
| EMG | Surface Electromyograms |
| FITH | Fire-in-the-Hole |