| Acronym | Meaning |
 | S/S | Samples Per Second |
| SIMU | Simulated Inertial Measurement Unit |
| T/O | Takeover |
| PAR | Product Acceptance Review |
| IASS | Inverter/ATCS Support Structure |
| GAC | Ground Attitude Control |
| FC | Flight Control |
| CSD | Chemical Systems Division |
| LOWG | Landing Operations Working Group |
| DA | Distribution Assembly |
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