| Acronym | Meaning |
| PAD | Propellant Acquisition Device |
| MSG | Mission SupportGroup |
| UMBC | Umbilical Cord Cable |
| IUA | Interface Unit AdaPter |
| OCF | Orbiter Computational Facilities |
| PDV | Pressure Disconnect Valve |
| CRSI | Ceramic Reusable Surface Insulation |
| LCCD | Launch Commit Criteria Document |
| PAO | Public Affairs Office (Officer) |
| SW | Switcher (Switch) |