| Acronym | Meaning |
| PRCBD | ProgramReview Control Board Directive |
| ENGR | Engineer |
| SD | LStandard Distribution List |
| SLF | Shuttle Landing Facility (OLF) |
| PDRS | Payload Deployment And Retrieval System(s) |
| CAU | Customer Acquisition Unit |
| SSCC | Support Services Control Center |
| LC | Launch Complex |
| B/U | Backup |
| BR | Bit Rate |