| Acronym | Meaning |
| QSS | Quindar Scanning System |
| NJP | NNJP Network Job Processing |
| OLDB | On-Line Data Bank |
| W | Wide |
| RAD | Radiation Equivalent Dose |
| R | LEO Request Liaison Engineering Order |
| VPF | Vertical Processing Facility |
| CP | Console Processor |
| RHC | Rotational Hand Controller |
| OMET | Orbiter Mission Elapsed Time |