| Acronym | Meaning |
| GST | Ground System Test |
| LOC | Launch Operations Complex |
| EENT | Eye |
| ROD | Remote Operated Door(s) |
| HFTF | Horizontal Flight Test Facility |
| TR2 | Payload Furnished Mars Tape Recorder (2 Of 2) |
| ICDR | Incremental Critical Design Review |
| EDP | Electonic Data Processing |
| TA | Test Article |
| DIF | Discrete Increment Filter |