| Acronym | Meaning |
 | CATS | Cheap Access To Space |
| LEM | Lunar Excursion Module |
| SSME | Space Shuttle Main Engine |
| AURA | Association Of Universities For Research In Astronomy |
| AAVSO | American Association Of Variable Star Observers |
| MCCC | Maragone Convection On Closed Containers |
| TCM | Trajectory Control Maneuver |
| APM | Atmospheric Particle Monitor |
| ISEP | Isolated/Stabilized Exercise Platform |
| WR | Western Range |
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