| Acronym | Meaning |
| DBGMP | DBSData Base System |
| PCVB | Pyro Continuity Verification Box |
| OD | Operational Downlink/Downlist |
| SPM | SubsystemProjectManager |
| SCF | Standard Cubic Feet |
| STP | Self-Test Program |
| PRACA | Problem Reporting And Corrective Action |
| M | LGS Microwave Landing Guidance System |
| MET | Mission Events Timer |
| CIA | Controller Interface Assembly |