| Acronym | Meaning |
 | DBC | Data Bus Control |
| SSPO | Space Shuttle Program Office |
| PH | Hydrogen-Ion Concentration (Alkalinity) |
| MTTFF | Mean Time To First Failure |
| LF | Launch Forward |
| MBK | Medications And Bandage Kit |
| IP | Intermediate Pressure |
| MRS | Management Review System |
| CDQR | Critical Design And Qualification Review |
| I | ECM Induced Environment Contamination Monitor |
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