| Acronym | Meaning |
| SPAD | Subsystem Positioning Aid Device |
| ASCII | American Standard Code For Information Interchange |
| LID | Logistics Identification Document |
| PETS | Payload Environmental Transportation System |
| WA | Work Authorization |
| BPD | Baseline Program Documentation |
| EMN | Engineering Management Network |
| PLS | Preliminary Landing Site |
| ETD | Electrical Terminal Distributor |
| NCIU | Network Common Interface Unit |