| Acronym | Meaning |
 | FPIF | Fixed Price Incentive Fee |
| PIM | Pulse Interval Modulation |
| CPCI | Computer Prograni Configuration Item |
| FLAP | Flight Application Software |
| OS | On-Orbit Station |
| LK | Leak |
| EVA | Extravehicular Activity |
| NPV | Nitrogen Pressure Valve |
| SEPAP | Shuttle Electrical Power Analysis Program |
| SIS | Shuttle Interface Simulator |
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