| Acronym | Meaning |
| TRI | Payload Furnished Mars Tape Recorder (1 Of 2) |
| LACB | Landing Aids Control Building (SLF At KSC) |
| OPT | Optics |
| LB | Launch Bus |
| MPTA | Main Propulsion Test Article |
| TVN | Test Verification Network |
| M&C | Maintenance And Checkout |
| R/L | Remote/Local |
| WWMS | Waste Water Management System |
| ESMC | ETR |