| Acronym | Meaning |
| SCF | Sunnyvale Control Facility |
| GSSC | Ground Support Systems Contractor |
| PD | Preliminary Design |
| GDSSR | GDSD Staff Support Room |
| SIA | Shuttle Induced Atmosphere |
| STAG | Shuttle Turnaround AnalYsis Group |
| SAMSOR | SAMSO Regulation (now SDR) |
| DISC | Discrete |
| H | AlH AlHorizontal |
| DBGMP | Data Bus Generation And Maintenance Package |