| Acronym | Meaning |
 | HFCV | Helium Flow Control Valve |
| CPSS | Critical Phase System Software |
| OFP | Orbiter Flight Program |
| PIC | Payload Integration Center |
| GC | Gigacycles (1000 Megacycles) |
| SVO | Space Vehicle Operations (KSC Dir.) |
| OW | Optical Window |
| RACS | Remote Automatic Calibration System |
| PMP | Pump |
| ELINT | Electromagnetic Intelligence |
Browse by Letter:
