| Acronym | Meaning |
| OPOV | Oxidizer Preburner Oxidizer Valve |
| ERRC | Expendability/Recoverability/Repair Capability |
| V/V | Validation And Verification (also V&V) |
| OMRSD | O&M Requirements And Specifications Documentation |
| MBCS | Motion-Base Crew Station (SMS) |
| FPU | Floating Point Unit |
| NB | No-Bias (Relay) |
| RC | Range Command |
| T | Talk/Monitor |
| MDDS | Material Directory Data Sheet |