| Acronym | Meaning |
 | SEB | Scientific Equipment Bay |
 | O&R | Overhaul And Repair |
 | MDA | Main Distribution Assembly |
 | TRACS | Tool-Record Accountability System |
 | MTCA | Monitor And Test Control Area |
 | BP | C&MControl And Monitoring |
 | L/T | Load Test |
 | MSC | Master Sequence Controller |
 | GIDEP | Government-industry Data Exchange Program |
 | EL | Electroluminescent |