| Acronym | Meaning |
| OTV | Operational Television |
| VALID | Validation |
| PROP | Propulsion Engineer |
| FCA | Forward Controller Assembly |
| ELVN | Eleven |
| OPOV | Oxidizer Preburner Oxidizer Valve |
| PMEL | Precision Measurements Equipment Laboratory |
| LATS | LDEF Assembly And Transportation System |
| GESYOT | GCOS Program Element Name |
| LPFTP | Low Pressure Fuel Turbopump |