| Acronym | Meaning |
 | VCG | Vertical Location Of The Center Of Gravity |
| TMPRY | Temporary |
| PIIN | Procurement Instrument Identification Number |
| PCC | Payload Control And Checkout |
| LDIU | Launch Data Interface Unit |
| ST | Special Tooling |
| VFO | Variable Frequency Oscillator |
| ECIO | Experiment Computer Input/Output |
| SLD | Stiff-Leg Derrick |
| SHAG | Simplified High Accuracy Guidance (Honeywell) |
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