| Acronym | Meaning |
 | CDU | Coupling Display Unit |
| QVVT | Qualified Verification Vibration Testing |
| PS | Payload Support |
| CTM | Crystalline Transitional Material |
| MIS | Manipulator Jettison System (Subsystem) |
| SIR | Shuttle Imaging Radar |
| EPT | Emergency Procedure Trainer |
| PTO | Participating Test Organizations |
| HF | Hyperfiltration |
| HDRR | High Data Rate Recorder |
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