| Acronym | Meaning |
| COMP | Compensate |
| TTE | Time To Event |
| CEA | Control Electronics Assembly (for MMU) |
| IED | Interacting Equipment Documents |
| PICRS | Program Information Control And Retrieval System |
| HMF | Horizontal Mating Facility |
| FITH | Fire-in-the-Hole |
| DRM | Design Reference Mission |
| SDF | Single Degree Of Freedom |
| SAIL | Shuttle Avionics Integration Laboratory (JSC) |