| Acronym | Meaning |
 | EECOM | Systems (MPSR) |
| MPM | Manipulator Positioning Mechanism |
| COMAS | Combined Orbital Maneuvering And Abort System |
| LCC | Life Cycle Cost |
| FMEA | Failure Modes And Effects Analysis |
| TMU | Temperature Measurement Unit |
| WONG | Weight On Nose Gear |
| TPE | Test Project Engineer |
| MSC | Manned Spacecraft Center (changed To JSC) |
| CNTRL | Control |
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