| Acronym | Meaning |
| OS | OPtics Subsystem |
| TTC | Tunnel Thermal Control |
| MAF | Michoud Assembly Facility |
| CAM | Carrier Aircraft Modification |
| CSC | Computer Sciences Corporation |
| FS | Flight System |
| CDNR | CDR Discrepancy Notice Record |
| SSM | ESpace Shuttle Main Engine |
| RTG | Radioisotope Thermoelectric Generator |
| FD | Fault Detection |