| Acronym | Meaning |
| EMT | Electro-Mechanical Test |
| CDMS | Command And Data Management Subsystem |
| V/M | Velocity Meter |
| TO | Task Order |
| ERSI | Elastomeric Reusable Surface Insulation |
| PCTO | Payload Cost Tradeoff Optimization |
| CLC | Change Letter Control |
| HIM | Hardware Interface Module |
| G&A | General And Administrative |
| CDS | Central Data Subsystems (LPS) |