| Acronym | Meaning |
| GOMMS | GrGOMMSGround Operations And Material Management System |
| NBF | Neutral Buoyancy Facility |
| H | 2Hydrogen |
| VDI | Vertical Display Indicator |
| ESVS | Escape System Ventilation System |
| WCS | Waste Collection System |
| RSSPO | Resident Space Shuttle Project Office (Officer) |
| IOBPS | Input/Output Box And Peripheral Simulator |
| SW | Switcher (Switch) |
| TSR | Technical Status Review |