| Acronym | Meaning |
 | OSCAR | Orbiting Satellite Carrying Amateur Radio |
| DOT | Department Of Transportation |
| HRSI | High-temperature Reusable Surface Insulation |
| NSA | National Security Agency |
| ISPM | International Solar Polar Mission |
| PASS | Primary Avionics Software System |
| HSP | High Speed Photometer |
| STDCE | Surface Tension Driven Convection Experment |
| VOIR | Venus Orbiting Imaging Radar |
| MOMV | Manned Orbital Maneuvering Vehicle |
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