| Acronym | Meaning |
| LID | Logistics Identification Document |
| CMR | Center Materials Representative |
| CS | Core Segment |
| EDLN | Engineering DeveloPment Logic Network |
| SIMAS | System |
| PCCB | Program Configuration Control Board |
| OM | RS Operations And Maintenance Requirements Specification |
| IDU | Interface Demonstration Unit |
| SDT | Shuttle Data Tape |
| MOPS | Mission Operations Planning System |