| Acronym | Meaning |
| BD | Band |
| RLA | Repair Line Agreement |
| PAM | Pulse Amplifier Modulation |
| BP | Contamination/Overpressure |
| MDCS | Malfunction Display And Control System |
| EIA | Electrical Industries Association |
| PCA | Point Of Closest Approach |
| MSG | Mission SupportGroup |
| W | West |
| TGS | Rate Gyro Assembly |