| Acronym | Meaning |
| PPCO2 | Partial Pressure CO2 |
| MADRE | Manufacturing Data Retrieval System |
| IPS | Instrumentation Power Subsystem |
| TAR | Technical Analysis Request |
| EOS | Earth Observation Satellite |
| DAC | Data Acquisition And Control |
| VATF | Vibration And Acoustic Test Facility |
| GLRSHLD | Glare Shield |
| PAV | Pressure Actuated Valve |
| OD | Operations Directive |