| Acronym | Meaning |
 | TPUN | Test Procedure Update Notice |
| EXT | Extension |
| ERP | Eye Reference Point |
| RSO | Radiological Safety Office |
| HOLC | High Order Language Computer |
| SW/PM | System Management/Performance Monitor |
| PI | Payload Interrogator |
| PASS | Primary Avionics Software System |
| SMD | Special Measuring Service |
| CMC | Crew Module Computer |
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