| Acronym | Meaning |
| PDCR | Proprietary Data Control Record |
| SCM | Subsystem Configuration Monitoring |
| SACS | SADshuttle AuthorizedDocument |
| BA | Breathing Air |
| NO | Normally Open |
| MALL | Malleable |
| EDS | Electrical Distribution System |
| SSM | SPacecraft Systems Monitor |
| SWT | Sextant |
| CID | Computer Interface Device |