| Acronym | Meaning |
 | ET | Event Timer |
| R/S | RedundantSet |
| RPV | Remotely Piloted Vehicle |
| IWBS | Indirect Work Breakdown Structure |
| LD | LatLoading Dock |
| HF | Horizontal Flight |
| EHS | Environmental Health Services |
| RHCP | Right Hand Circular Polarization (Polarized) |
| IOE | Input/Output Error Log Table |
| STDN | Space Tracking And Data Network |
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