| Acronym | Meaning |
| SKD | Singer |
| HDRSS | High Data Rate Storage System |
| PTD | Provisioning Technical Documentation |
| RM/MS&C | Redundancy Management/Moding |
| RALPH | Reduction And Acquisition Of Lunar Pulse Heights |
| FDL | Flight Director Loop |
| FCT | Flight Control Team |
| GACU | Ground Air Conditioning Unit |
| S/EOS | Standard Earth Observation Satellite |
| LG | Length |