| Acronym | Meaning |
| MDCS | Maintenance Data Collection System |
| PRD | PersonalRadiation Dosimeter |
| OMPT | Observed Mass Point Trajectory |
| TV | Thermal Vacuum |
| MEAR | Maintenance Engineering Analysis Request |
| EENT | Eye |
| FIV | Fuel Isolation Valve |
| SIMAS | Shuttle Information Management Accountability |
| PCA | Pneumatic Control Assembly |
| LCS | LauList Of Command Signals |