| Acronym | Meaning |
| R | ETSReconfigurable Electrical Test Stand |
| EPPS | Electrical Power/Pyro Sequential System |
| W | Window |
| LB | Lower Brace |
| VECIB | Vehicle Engineering Change IMplementation Board |
| BOM | Bill Of Materials |
| FCS | Flight Control System |
| EFCS | Earth Fixed Coordinate System |
| COB | Communications Office Building |
| MSC | Materials Service Center |