| Acronym | Meaning |
| SFCS | Survival Flight Control System |
| E | LSCEarth Landing Sequence Controller |
| EML | Electromagnetic Laboratory |
| CSD | Crew Systems Division |
| TR2 | Payload Furnished Mars Tape Recorder (2 Of 2) |
| CCS | Command And Communication System |
| GS | Gas Servicer |
| STRG | Steering |
| LACB | Landing Aids Control Building (SLF At KSC) |
| PDS | Package Data System |