| Acronym | Meaning |
| EIASN | End Item Assembly Sequence Number |
| SIE | Shuttle Interface Equipment Services |
| MDA | Maintainability Design Approach |
| PSP | Payload Support Plan |
| TPE | Test Project Engineer |
| FSGS | Flare/Shallow Glide Slope |
| HMS | History Memory System |
| OMCF | Operations And Maintenance Control File |
| F/E | Full/Empty |
| EPDB | Electrical Power Distribution Box |