| Acronym | Meaning |
 | EDF | Engineering Data File |
| MCCS | Mission Control Center Simulation (System) |
| GSI | Government Source Inspection |
| ECF | Element Charge Factor |
| TW | Traveling Wave |
| MSG | Mechanical Subsystem Group |
| EPO | Element Project Office |
| PGHM | Payload Ground Handling Mechanism |
| GUL | GSE Utilization List |
| SIA | Software Impact Assessment |
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