| Acronym | Meaning |
| EMU | Engineering Model Unit |
| DL | Electronics Engineering (KSC DE Dir.) |
| RPIE | Real Property Installed Equipment |
| MSC | Moding Sequencing And Control |
| TRI | Payload Furnished Mars Tape Recorder (1 Of 2) |
| RHCM | Relative Humidity Control/Monitor |
| MIPS | Merritt Island Press Site |
| MAXCO | Maximum Dynamic Pressure |
| OMR | Operations And Maintenance Requirements |
| SP-PMS | Performance Management Systems Office (KSC) |