| Acronym | Meaning |
| ERS | Earth RecoverySubsystem |
| LLCF | Launch And Landing Computational Facilities |
| TRR | Test Readiness Review |
| MEP | Main Engine Propellant |
| OMR | Operations Management Room |
| DOY | Day Of Year |
| DU | Display Unit |
| TVP | Test Verification Program |
| H | EPAHigh Efficiency Particle Air (Filter) |
| GC | Gigacycles (1000 Megacycles) |