| Acronym | Meaning |
| SWT | Sextant |
| TP | Test Point |
| FILE | Future Identification And Location Experiment |
| OMPT | Observed Mass Point Trajectory |
| DDPS | Digital Data Processing System |
| TURB | Turbine |
| LLIL | Long Leadtime Items List |
| PF | Probability Of Failure |
| SFOP | Safety Operating Procedure (KSC) |
| SCGSS | Super Critical Gas Storage System |