| Acronym | Meaning |
| DCSP | Digital Control Signal Processor |
| FA | Flight Critical Aft |
| ISTB | Integrated Subsystem Test Bed |
| MADRE | Manufacturing Data Retrieval System |
| VR | Voltage Regulator |
| HPG | High Pressure Gas |
| CACB | Center Aisle Connector Bracket |
| SY | System |
| SPE | Solid Polymer Electrolysis |
| EOPO | Equal Opportunity Program Office |