| Acronym | Meaning |
| FCAF | Flight Crew Accommodations Facility |
| POLAR | Production Order Location And Reporting |
| DI | Development Integration |
| HITS | High Rate Multiplexer InPut/Output Test System |
| OPIS | Orbiter Prime Item Specification |
| TTA | Time To Apogee |
| HCR | High Cross Range |
| SP-SMO | Site Management Office (KSC Shuttle) |
| S/F | Safety Factor |
| GSO | Ground Systems Operations |