| Acronym | Meaning |
| KBU | Keyboard Unit |
| MP&C | Maintenance Planning And Control |
| DC | Distribution Control Assembly |
| IUA | Inertial Unit Assembly |
| FPM | Folding Platform Mechanism |
| CWEA | Caution And Warning Electronic Assembly |
| PY | Program Year |
| HFX | High Frequency Transceiver |
| MRI | Measurement Requirements And Interface |
| ISL | Inertial Systems Laboratory |