| Acronym | Meaning |
| BDA | Backup Drive Amplifier |
| SS | System Summary |
| MAC | Maximum Concentration Of Organics |
| SHLB | Simulation Hardware Load Boxes |
| VCN | Verification Completion Notice |
| LOB | Left Outboard |
| CDF | Confined Detonating Fuse |
| E&D | Engineering And DeveloPment Directorate (JSC) |
| OTP | Operations Turnaround Plan |
| RSMM | Redundant System Monitor Model |