| Acronym | Meaning |
| DCMB | Development Configuration Management Board |
| NITROGEN | PNitrogen Purge Control |
| PDRM | Payload Deployment And Retrieval Mechanism |
| EU | Engineering Units |
| DAV | Data Available |
| NOSP | Network Operations Support Plan |
| EPMS | Engineering Performance Management System |
| MEIU | Main Engine Interface Unit |
| LPFT | LOPW Pressure Fuel Turboprop |
| CDS | Control Data Corporation |