| Acronym | Meaning |
| COQ | Certificate Of Qualification |
| PBS | Protective Breathing System |
| CCA | Contract Change Authorization |
| OPOV | Oxidizer Preburner Oxidizer Valve |
| LE | LauLeading Edge |
| MIS | Management Information System |
| CRS | Cross |
| SMVP | Shuttle Master Verification Plan |
| CICU | Computer Interface Conditioning Unit |
| MPTF | Main Propulsion Test Facility |