| Acronym | Meaning |
| MTEM | Mechanical Maintenance Test Equipment |
| FWG | Facility Working Group |
| F | Farad (SI Unit Of Capacitance) |
| TMO | Tool Manufacturing Order |
| DMC | Direct Maintenance Cost |
| TPE | Test Project Engineer |
| OBC | Onboard Computer |
| MPS | Material Processing Specification |
| PDI | Payload DePloyment And Retrieval System |
| HFDS | Hydrogen Fluid Distribution System |