| Acronym | Meaning |
 | MAL | Mobile Airlock |
| LSR | Launch Site Recovery |
| EADI | Electronic Attitude Director Indicator |
| TG | Ground Systems (KSC Directorate) |
| OAT | Operational Acceptance Test |
| QAVT | Qualification For Acceptance Vibration Testing |
| PBL | Payload Bay Liner |
| STRUC | Structure |
| BDC | Bit Error Rate |
| TR2 | Payload Furnished Mars Tape Recorder (2 Of 2) |
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