| Acronym | Meaning |
| EDC(M) | Electrochemical DePolarized CO (Module) |
| ETS | External Tank System (Subsystem) |
| FAR | Flight Acceptance Review |
| OTD | Operational Technical Documentation |
| LPM | Lines Per Minute |
| POI | Product Of Inertia |
| PRS | Personnel Rescue Service |
| PIP | Production Instrumentation Package |
| SSPP | SYstem Safety Program Plan |
| SMART | Shuttle Meeting Action - Item Review Tracking |