| Acronym | Meaning |
| MGMT | Management |
| NIA | NNIA NOVA Interface Adapter |
| ILS | IntegratedLogistics System |
| ORI | Operational Readiness Inspection |
| SPIDF | Support Planning Identification File |
| ITC | Igloo Thermal Control |
| IT | Installation Test |
| OPLF | Orbiter Processing And Landing Facility |
| DFI | Development Flight Instrumentation |
| NPSH | Net Positive Suction Head |