| Acronym | Meaning |
| VY | Velocity Along The Y-Axis |
| LPFT | Low-pressure Fuel Turbopump |
| VTS | Vertical Test Stand |
| B/C | Bench Check |
| W/WMS | Water/Waste Management System (Subsystem) |
| MEI | Master Inspection Item |
| FWG | Facility Working Group |
| TCS | Technical Concurrence Sheets |
| KOM | KSC Operation Instruction |
| TSLD | Troubleshooting Logic Diagram |