| Acronym | Meaning |
| MSC | Moding Sequencing And Control |
| SRU | ShOP-Replaceable Unit |
| PTC | Portable Temperature Controller |
| GPC | General Purpose Computer |
| DCP | Development Cost Plan |
| BP | C/DCountdown |
| E | LSCEarth Landing Sequence Controller |
| S/V | Space Vehicle |
| KBAC | Kennedy Booster Assemblv Contractor |
| MOSPO | Mobile Satellite Photometric Observatory |