| Acronym | Meaning |
| TU | Technical Utilization |
| M&O | Maintenance And Operations |
| ALRUTS | Automated Line Replaceable Unit Tracking System |
| CCP | Configuration Change Point |
| SOPC | Shuttle Operations And Planning Center |
| TS | Technical Support (KSC Directorate) |
| SCD | Specification Control Document |
| SSR | Station Set Requirement |
| SACS | SADshuttle AuthorizedDocument |
| RCHCS | Regenerable CO And Humidity Contro SYstem |