| Acronym | Meaning |
 | WUCF | Work Unit Code File |
| EAC | Estimate At Completion |
| W/H | Watt-Hour |
| PI | Preliminary Investigation |
| VCD(S) | Vapor Compression Distillation (Subsystem) |
| PGOR | Payload Ground Operation Requirements |
| MSVP | Master Shuttle Verification Plan |
| PEN | Penicillin |
| ETC | Estimate To Completion |
| NSTL | National Space Technology Laboratory (was MTF) |
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