| Acronym | Meaning |
| VP | Vertical Polarization |
| ORR | Operational Readiness Review |
| OFDS | Oxygen Fluid Distribution System |
| FB | Feedback |
| PDC | Predefined Command |
| DRR | Design Requirements Review |
| DUR | Duration |
| EFCS | Earth Fixed Coordinate System |
| CCRF | Consolidated Communication Recording Facility |
| UPS | Uninterruptible Power Supply |