| Acronym | Meaning |
![](file.png) | SCDR | Subcontractor Critical Design Review |
![](file.png) | RLF | Relief |
![](file.png) | RUT | Resource Utilization Time |
![](file.png) | SMMD | Specimen Mass Measurement Device |
![](file.png) | TD | Test Director (NASA) |
![](file.png) | OBS | Operational Biomed Sensors |
![](file.png) | PREAMP | Preamplifier |
![](file.png) | GNCIS | GNGNCISGN&C Integration Simulator |
![](file.png) | CY | Cycle |
![](file.png) | MCC | Mission Control Center (JSC) |