| Acronym | Meaning |
| GA&CS | Ground Acquisition And Command Station |
| EGSE | Electrical Ground Support Equipment |
| MMH | Monomethyl Hydrazine |
| VTN | Verification TestNetwork |
| RAI | Radar Altimeter Indicator |
| SIMR | Systems Integration Management Review |
| OLF | Orbiter Landing Facility (now SLF) |
| PCO | Postcheckout Operations |
| HK | Housekeeping |
| RU | Remote Unit |