| Acronym | Meaning |
| MSAD | Materials Summary Acceptance Document |
| FLC | Federal Library Committee |
| IGM | Interactive Guidance Mode |
| DF | Direction Finder (Finding) |
| SA | Subaccount |
| DM | Docking Mechanism |
| FSE | Flight Simulation Engineer |
| PTC | RPad Terminal Connection Room |
| BSC | Brake Skid Controller |
| PIECP | Preliminary Impact Engineering Change Proposal |