| Acronym | Meaning |
| PORD | Performance And 0iperations Requirements Document |
| EOC | Engine Order Capability |
| NRS | Nonconformance Reporting System |
| W | Wide |
| SUP | Support |
| SCAPE | Self-contained Atmosphere Protective Ensemble |
| ESS | Equipment Support Section |
| LW | Launch Window |
| CTSD | Coordinate Transformation SYstem |
| MDD | Mate/demate Device |