| Acronym | Meaning |
 | SOFI | Spray-on Foam Insulation |
| GMS | Geostationary Meterological Satellite |
| HAINS | High Accuracy Inertial Navigation System |
| NASA | National Aeronautics And Space Administration |
| XUV | Extreme Ultraviolet |
| AAS | American Astronomical Society |
| UBM | Unpressurized Berthing Mechanism |
| CG | Center Of Gravity |
| MEV | Mars Excursion Vehicle |
| LANL | Los Alamos National Laboratory |
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