| Acronym | Meaning |
| ESS | Experiment Subsystem Simulator |
| EODB | End Of Data Block |
| RSS | Range SafetySwitch |
| CSAM | Crinkled Single Aluminized Mylar |
| HID | Hardware Interface Device |
| FMR | Function Max Rate |
| SIA | Software Impact Assessment |
| HPOT | High-pressure Oxidizer Turbopump |
| FCA | Frequency Control Analysis |
| S/S | Single Sideband |