| Acronym | Meaning |
 | SPD | Speed |
| VATF | Vibration And Acoustic Test Facility |
| FACO | Factory Assembly And Checkout |
| OS | Orbiter CEI Specification |
| IPS | Instrumentation Power Subsystem |
| LACB | Landing Aids Control Building (SLF At KSC) |
| SEM | Scanning Electron Microscope |
| INTCHC:IR | Interchanger |
| LVLH | Local Vertical/local Horizontal |
| VCD | Verification Control Document |
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