| Acronym | Meaning |
 | REF | Refurbish |
| PCR | Payload Changeout Room |
| QTRS | Quarters |
| N2 | Nitrogen |
| MEDICS | Medical Information Computer System |
| OSTP | Orbiting System Test Plan |
| IC | Intercomputer Communication |
| PFRT | Preliminary Flight Rating Test |
| SUSIM | Solar Ultraviolet Spectral Irradiance Monitor |
| SEPS | Solar Electric Propulsion System |
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