| Acronym | Meaning |
| SDM | Shuttle Data Management |
| DPI | Detail Program Interrelationships |
| MDS | Minimum Discernible Signal |
| OTD | Operational Technical Documentation |
| M/LR | Maintenance Loop Recorder |
| OBS | Operational Biomed Sensors |
| VSI | Video Simulation Interface |
| NI-SIL | NNI-SILNickel-Silver |
| POGO | Polar Orbiting GeophYsical Observatory |
| FREQ | CONV Frequency Converter |