| Acronym | Meaning |
| CDNR | CDR Discrepancy Notice Record |
| SE/FAC | Support Eq Uipm Ent/Facility |
| TTCV | Tracking Telemetry |
| PSE | Payload Support Equipment |
| TPUN | Test Procedure Update Notice |
| ICC | Intercomputer Communication |
| RLC | Remote Load Controller |
| TCS | Technical Change Summary |
| HMCF | Hypergolic Maintenance And Checkout Facility |
| CR/DIR | Change Request Directive |