| Acronym | Meaning |
| SUP | Support |
| IPS | Instrument Pointing System (Subsystem) |
| NBS | National Bureau Of Standards |
| DCR | Design Concern Report |
| PACS | Pointing And Attitude Control System |
| SCDR | Software Critical Design Review |
| HDRR | High Data Rate Recorder |
| EDA | Elevation Drive Assembly |
| F | Female |
| CRSI | Ceramic Reusable Surface Insulation |