| Acronym | Meaning |
| SMPM | Structural Materials Property Manual |
| PR | Pair |
| DECR | Decrease |
| SPIF | Shuttle Payload Integration Facility |
| HRIR | High Resolution Infrared Radiometer |
| RTG | Radioisotope Thermoelectric Generator |
| MS | Military Standard (Parts Designation) |
| FIL | Filament |
| EDS | Emergency Detection System |
| VSI | Video Simulation Interface |