| Acronym | Meaning |
 | TTC | Time To Circularize (Orbit) |
| MTEF | Fluid Maintenance Test Equipment |
| EAFB | Edwards Air Force Base |
| INTERFACE | FInterface Functional Analysis |
| GA | Glide Angle |
| SL | Shelf Life |
| OI | Operational Instrumentation |
| MIS | Mission Information Subsystem |
| FCOS | Flight Control Operational Software |
| OG | Zero Gravity |
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