| Acronym | Meaning |
| CPSS | Cold Plate Support Structure |
| HNGR | Hangar |
| PTCS | Passive Thermal Control System |
| IPS | IRD Information Requirements Document |
| SP-SMO | Site Management Office (KSC Shuttle) |
| UPLK | Uplink |
| GS | Gas Servicer |
| TER | Time Estimating Relationship |
| VSTAG | Vandenberg Shuttle Turnaround AnalYsis Group |
| WSB | Water Spray Boiler |