| Acronym | Meaning |
 | MOC | Mars Observer Camera |
| NACA | National Advisory Committee On Aeronautics |
| OARE | Orbital Acceleration Research Experiment |
| PVO | Pioneer Venus Orbiter / Protivo-Vosdushniya Oborona |
| AIRS | Atmospheric Infrared Sounder |
| WSMR | White Sands Missile Range |
| ACRV | Astronaut Crew Rescue Vehicle |
| VTVL | Vertical Takeoff Vertical Landing |
| STC | SHAPE Technical Center |
| AAVSO | American Association Of Variable Star Observers |
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