| Acronym | Meaning |
| SADEC | SAFESan Andreas Fault Experiment |
| TERL | Test Engineer Readiness List |
| RMRS | Repeatable Maintenance And Recall System |
| DACBU | Data Acquisition And Control Buffer Unit |
| OPT | Optimum |
| PIGA | Pendulous Integrating Gyro Accelerometer |
| TRI | Payload Furnished Mars Tape Recorder (1 Of 2) |
| R&R | Remove And Replace |
| SBE | Sub-Bit Encoder |
| MPS | Master Program |