| Acronym | Meaning |
| CRG | Change Review Group |
| ARTS | Automated Resource Tracking System - ARTEMIS |
| BDA | Backup Drive Amplifier |
| MPD | Main Dc Power Distributor Assembly |
| SEC | Sequential Events Controller |
| SCFM | Standard Cubic Feet Per Minute |
| NET | NNET Network (N/W Preferred) |
| FL | Flowline |
| RGA | Rate Gyro Assembly |
| EMCD | Electro-Mechanical Control Diagram |