| Acronym | Meaning |
| OH | Overhaul |
| MSS | Multispectral Scanner System |
| DCC | DCCUDigital Command And Control Unit |
| SSC | Shuttle System Contractor |
| GSA | General Services Administration |
| SSUS | Spinning Solid Upper Stage |
| GOPG | GrGOPGGround Operations Planning Group |
| JPOC | JSC Payload Operations Center |
| PSP | Project Schedule Plan |
| DEG | Degree |