| Acronym | Meaning |
 | VMS | Velocity Measuring System |
| SM/PM | System Management/Performance Monitor |
| SCMB | Development Configuration Management Board |
| RTCS | Real-Time Computer System |
| ORD | Orbital Requirements Document |
| CPES | Crew Procedures Evaluation (Evaluator) Simulator |
| HIPC | High Chamber Pressure |
| ECF | Element Charge Factor |
| IP | Instrumentation Payload |
| RP | Repair Period |
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