| Acronym | Meaning |
| TRQ | Torque |
| MUA | Material(s) Usage Agreement |
| PSSU | Patch Survey And Switching Unit |
| SPOM | STS Planning And Operations Management |
| S/AC | Stabilization/Attitude Control |
| SOW | Square Wave |
| OLDR | Quick Look Data Reference |
| NTS | Near Term Schedule |
| G | CCC Ground Control Computer Center |
| PCO | Postcheckout |