| Acronym | Meaning |
 | USA/RC | Universities Space Automation/Robotics Consortium |
| IRFNA | Inhibited Red Fuming Nitric Acid |
| VTHL | Vertical Takeoff Horizontal Landing |
| HR | Hertzsprung-Russell |
| XUV | Extreme Ultraviolet |
| JD | Julian Date; Julian Day (Number) |
| OMS | Orbital Maneuvering System |
| ESRO | European Space Research Organisation |
| PCGG | PCG Glovebox |
| LERC | Lewis Research Center |
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